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Stormwater Pollution Prevention Plan
Prepared in accordance with NYS DEC General Permit GP-0-20-001
for:
Kaydeross Avenue East
Conservation Subdivision
227 Kaydeross Avenue East
Saratoga Springs, NY 12866
Owner/Operator(s):
227 Kaydeross Ave. Inc.
43 Edgewater Drive
Dunedin, FL 34698
Contact: Kenneth Scott
SWPPP Contact(s):
The LA Group, PC
40 Long Alley
Saratoga Springs, NY 12866
1-518-587-8100
1-518-587-0180
SWPPP Preparation Date:
April 8, 2020
Table of Contents
1.0 PERMIT OVERVIEW AND REQUIREMENTS ..................................................................... 1
1.1 PERMIT OVERVIEW...................................................................................................................... 1
2.0 SWPPP REVIEW, UPDATE....................................................................................................... 2
2.1 SWPPP REVIEW.......................................................................................................................... 2
2.2 SWPPP UPDATE.......................................................................................................................... 2
3.0 SITE ASSESSMENT, EVALUATION AND PLANNING.......................................................3
3.1 PROJECT LOCATION..................................................................................................................... 3
3.2 PRE-DEVELOPMENT CONDITIONS ................................................................................................ 3
3.3 PROJECT TYPE ............................................................................................................................. 3
3.4 PROJECT SCOPE............................................................................................................................ 3
3.S HISTORIC PRESERVATION DETERMINATION/ENDANGERED SPECIES............................................ 3
3.6 RECEIVrtvG WATERS .................................................................................................................... 3
3.7 So1Ls ........................................................................................................................................... 4
4.0 EROSION AND SEDIMENT CONTROL.................................................................................4
4.1 EROSIONAND SEDIMENT CONTROL PRACTICES........................................................................... 4
4.2 EROSION AND S�;ll1M�;N'1' CONTROL DRAWINGS........................................................................... 4
4.3 CONSTRUCTION PHASING PLAN AND SEQUENCE OF OPERATIONS................................................ 4
4.4 EROSION AND S�;ll1M�;N'1' CONTROL PRACTICE MAINTENANCE.................................................... S
4.S EROSION AND SEDIMENT CONTROL INSPECTION.......................................................................... 6
4.6 CONTRACTOR SEQUENCE FORM .................................................................................................. 7
5.0 POST CONSTRUCTION STORMWATER MANAGEMENT PRACTICES ......................7
S.1 STORMWATER MANAGEMENT CONTROLS ................................................................................... 7
5.2 GREEN INFRASTRUCTURE PRACTICES/RUNOFF REDUCTION TECHNIQUES................................... 7
5.3 POST CONSTRUCTION STORMWATER MANAGEMENT DRAWINGS ................................................ 8
5.4 HYDRAULIC AND HYDROLOGIC ANALYSIS .................................................................................. 8
S.S COMPARISON OF PRE AND POST CONSTRUCTION STORMWATER RUNOFF.................................... 9
6.0 POST CONSTRUCTION STORMWATER MAINTENANCE..............................................9
6.1 MAINTENANCE TO BE PERFORMED .............................................................................................. 9
7.0 CONSTRUCTION WASTE ...................................................................................................... 10
8.0 OFFSITE VEHICLE TRACHING........................................................................................... ll
9.0 TEMPORARY STABILIZATION FOR FROZEN CONDITIONS ..................................... ll
10.0 SPILL PREVENTION PRACTICES....................................................................................... 12
ll.0 CERTIFICATIONS.................................................................................................................... 16
12.0 DEFINITIONS............................................................................................................................ 21
Appendices
A Notice of Intent (NOI)
B Stormwater Management Report and Hydro CAD
C Map Set — Location Map and Construction Drawing
D SWPPP Inspection Forms —SWPPP Inspection Report
E Other SWPPP Forms — Construction Sequence, SWPPP Plan Changes,
Spill Response Form, Stormwater Management Practice Maintenance Log
F SPDES General Permit GP-0-20-001
G Historic Preservation/Endangered Species Documentation
H Deep Ripping and De-compaction (DEC, 2008)
Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
The LA Group Project # 2016109
1 .0 PERMIT OVERVIEW AND REQUIREMENTS
1.1 Permit Overview
This Stormwater Pollution Prevention Plan (SWPPP) is prepared to inform the
landowner and construction personnel of the measures to be implemented for
controlling runoff and pollutants from the site during and after construction activities.
The objective of this plan is to comply with the New York Department of Environmental
Conservation (NYSDEC) State Pollutant Discharge Elimination System (SPDES)
General Permit for Stormwater Discharges from Construction Activities, Permit No. GP-
0-20-001 requirements. Any material conflicts between this plan and the site plans,
specification or instructions, must be brought to the attention of the design professional.
The project may have other permits and it is the responsibility of the owner and
contractor to know and understand all permits.
The operator will be issued a bill from New York State for a one hundred and ten dollar
($110.00) annual fee for the open GP-0-20-001 permit. The operator will also be billed
by New York State for a one time one hundred and ten dollar ($110.00) per acre fee for
the proposed disturbed soil area listed in the NOI, and finally a one time six hundred
and seventy five ($675.00) per acre fee for the proposed increased impervious area
listed in the NOI.
The operator is responsible to maintain onsite in a secure location that is accessible
during normal working hours to an individual performing a compliance inspection, the
following information:
✓ the Notice of Intent (NOI),
✓ the NYS Department of Environmental Conservation NOI
Acknowledgement Letter,
✓ the SWPPP,
✓ a copy of the General Permit (included in the SWPPP),
✓ MS4 SWPPP Acceptance Form (where applicable), and
✓ All inspection reports.
All post-construction stormwater management facilities must be inspected annually by a
qualified professional, a report prepared and submitted to the City Engineer
documenting the inspections as well as the maintenance activities that were completed
during the prior year.
Technical standards are detailed in the "New York State Standards and Specifications
for Sediment and Erosion and Sediment Control (November 2016)", as well as
illustrated on the Construction Drawings included in Appendix C. The design of post-
construction stormwater control practices follow the guidance provided by "New York
State Stormwater Management Design Manual."
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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2.0 SWPPP REVIEW, UPDATE
2.1 SWPPP Review
Applicable Federal, State, and local regulatory agencies that have jurisdiction may
elect to review this SWPPP and notify the permittee in writing that the SWPPP does
not meet the requirements of their regulations. If the SWPPP needs to be revised,
the permittee and the site contractor will make the required modifications within
seven days of such notification and submit written certification to the notifying
agency that the changes have been implemented. A copy of the SWPPP will be
kept available on site for review by regulatory agencies, engineers, and
subcontractors.
This Project is in the City of Saratoga Springs which is a regulated MS4 community,
so a copy of this SWPPP was sent to the City for review. A copy of the signed MS4
Acceptance form is provided in Appendix A of this SWPPP.
2.2 SWPPP Update
The permittee identified in this SWPPP shall amend the SWPPP under the
following conditions:
✓ Whenever the current provisions prove to be ineffective in minimizing
pollutants in stormwater discharge from the site
✓ Whenever there is a change in design, construction or operation that could
have an effect on the discharge of pollutants
✓ To address issues or deficiencies identified during an inspection by the
qualified inspector, the Department or other regulatory authority
✓ To identify a new subcontractor that will implement any part of the
SWPPP.
If modifications are required to the post-stormwater management practices and the
Project is within a regulated, traditional land use control MS4, the owner or operator
of the Project must notify the MS4 in writing of any planned amendments or
modifications to the post-construction stormwater management practice component
of the SWPPP. Unless otherwise notified by the MS4, the owner or operator shall
have the SWPPP amendments or modifications reviewed and accepted by the MS4
prior to commencing construction of the post-construction stormwater management
practice. The SWPPP PLAN CHANGES, AUTHORIZATION, AND CHANGE
CERTIFICATION form (Appendix E) must be filled out and a copy retained onsite
during construction.
If modifications are required to the post-stormwater management practices and the
Project is not within a Regulated, Traditional Land Use Control MS4, the changes
shall be documented in the SWPPP kept onsite.
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
The LA Group Project # 2016109
3.0 SITE ASSESSMENT, EVALUATION AND PLANNING
3.1 Project Location
The Project is located on at 227 Kaydeross Avenue East, in the City of Saratoga
Springs, Saratoga County, NY 12866.
See Appendix C for a general site location map.
3.2 Pre-Development Conditions
The site cover consists currently of ineadow/grass areas, forest, and wetland areas.
3.3 Project Type
This project is considered new development, and has been designed in accordance
with Chapter 4 of the NYSDEC Stormwater Management Design Manual and
NYSDEC's General Permit (GP-0-20-001) for construction activities.
3.4 Project Scope
The Project's intent is to create a conservation subdivision consisting of 15 lots.
One lot has an existing home that will remain, and the remaining 14 lots will have
new homes. The project will also include a road providing access to the new
homes, driveways, a new water main and water lateral connections, septic systems,
landscaping and stormwater management. The site developments described herein
will result in a net increase in impervious area within the Project's watershed.
3.5 Historic Preservation Determination/Endangered Species
The project is located within an archeologically sensitive area, however, based on a
review by OPRHP it was determined that no properties, including archaeological
and/or historic resources and listed in or eligible for the New York State and
National Registers of Historic Places will be impacted by this project. A letter stating
no effect is provided in Appendix G
The Project will have no impact on any listed, proposed to be listed, threatened or
endangered species, or a critical habitat. The NYSDEC no effect letter is provided
in Appendix G.
3.6 Receiving Waters
Runoff from the site discharges to an onsite wetland.
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3.7 Soils
According to the Natural Resources Conservation Service (NRCS) Soil Survey, the
project site area is primarily comprised of Bernardston silt loam, with some Burdett
silt loam, Claverack loamy fine sand, illion silt loam and Pittstown silt loam.
The hydrological soil group (HSG) classification for these soil types is C/D. Based
on soil testing completed throughout the site which observed the presence of
shallow depth to seasonal high groundwater and slow percolation rates Type D
soils were used in storm modeling.
4.0 EROSION AND SEDIMENT CONTROL
4.1 Erosion and Sediment Control Practices
Temporary Structural Practices
✓ Silt Fence
✓ Dust Control
✓ Stabilized Construction Entrance
✓ Inlet Protection
Permanent Structural Controls
✓ Grading
✓ Rock Outlet Protection
Temporary Stabilization Practices (including vegetative practices)
✓ Seed and mulch bare soil areas within 14 days of disturbance.
Permanent Stabilization Practices (including vegetative practices)
✓ Seed and mulch all disturbed areas. Slopes that are 3:1 or steeper should
receive a Rolled Erosion Control Product (RECP), sodding, and or hydro-
seeding a homogenous mixture of wood fiber mulch with tackifying agent.
Refer to Construction Drawings attached in Appendix C for detailed information on
each practice.
4.2 Erosion and Sediment Control Drawings
Erosion and Sediment Control practices are shown on Construction Drawings
included in Appendix C.
4.3 Construction Phasing Plan and Sequence of Operations
✓ Temporary structural erosion controls will be installed prior to earthwork as
per the attached plans.
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✓ Areas to be undisturbed for more than 14 days will be temporarily
stabilized by seeding.
✓ Disturbed areas will be reseeded and mulched immediately after final
contours are re-established and no more than 14 days after the
completion of construction at that site.
✓ Temporary erosion control devices will not be removed until the area
served is stabilized by the growth of vegetation and the area is certified as
being stabilized by the Erosion Control Superintendent. Additionally a final
site inspection via the City Engineer's office will be required prior to
removal of erosion and sediment controls.
Construction Activities Start � Stop
Sequence must include major items such as, but not limited to, clearing and
grubbing, excavation and grading, utility and infrastructure installation and any other
activity resulting in soil disturbance. Include installation of erosion and sediment
control ractices and timin of installation.
Install silt fence and construction entrance Week 1
Selective clearing and grubbing. Weeks 2-4
Construction of new water main and road. Weeks 4-14
Construction of new residences, septic systems. Weeks 14-52
Monitor/maintain erosion and sediment control measures Ongoing
Remove erosion and sediment control measures upon Once final stabilization has
stabilization of contributing areas been reached.
4.4 Erosion and Sediment Control Practice Maintenance
✓ Silt fence — maintenance shall be performed as needed and material
removed when "bulges" develop in the silt fence.
✓ Stabilized construction entrance — entrance shall be maintained in a
condition which shall prevent tracking. This may require periodic top
dressing with additional aggregate. All sediment tracked onto or spilled on
public rights of way shall be removed immediately. When necessary,
wheels must be cleaned to remove sediment prior to entrance on public
rights of way. When washing is required, it shall be done in an area
stabilized with aggregate and wash water shall be directed away from
streams or wetlands preferably to a broad grassed area or a stormwater
pond.
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
The LA Group Project # 2016109
✓ Rock outlet protection — once a riprap outlet has been installed, the
maintenance needs are very low. It should be inspected after high flows
for evidence of scour beneath the riprap. Repair should be immediate.
✓ Replace top-soil, mulch and seed where seeding has been disturbed.
4.5 Erosion and Sediment Control Inspection
■ It is recommended that a rain gage be installed at the site.
■ A qualified inspector shall conduct an assessment of the site prior to
the commencement of construction and certify in an inspection report
that the appropriate erosion and sediment controls described in the
SWPPP and required by GP-0-20-001 have been adequately installed
to ensure overall preparedness of the site for commencement of
construction.
■ This qualified inspector must be a Licensed Professional Engineer,
Certified Professional in Erosion and Sediment Control (CPESC),
Registered Landscape Architect, or someone working under the direct
supervision of, and at the same company as, the licensed Professional
Engineer or Registered Landscape Architect, provided they have
received 4 hours of Department endorsed training in proper erosion
and sediment control principles from a Soil and Water Conservation
District, or other Department endorsed entity. After receiving the initial
training, the qualified inspector shall receive 4 hours of training every 3
years.
■ The day-to-day erosion control activities on the site will be monitored
by the construction manager. The qualified inspector (as defined by
the NYS DEC SPDES regulations) and his crews will make at least
one inspection every seven (7) days of erosion control devices, and
non-stabilized areas during construction. A maintenance inspection
report will be completed by the qualified inspector after each
inspection. The report form to be completed by the inspector is
attached in Appendix D. Reports should be compiled and maintained
on-site in the SWPPP 3-ring binder.
■ All measures will be maintained in good working order; if repair is
necessary, it will be initiated within 24 hours of report. The qualified
inspector shall take photographs of any needed repairs and also
photograph when the repairs are completed. These photographs will
be time and date stamped and attached to the weekly inspection
report.
■ Seeded and planted areas will be inspected for bare spots, washouts,
and healthy growth. If necessary, spot reseeding or sodding will be
implemented.
■ A trained contractor will be an employee from the contracting company
responsible for the implementation of the SWPPP. This person will be
onsite when any soil disturbing activities are being conducted. The
trained contractor must have received 4 hours of Department endorsed
training in proper erosion and sediment control principles from a Soil
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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and Water Conservation District, or other Department endorsed entity.
After receiving the initial training, the qualified inspector shall receive 4
hours of training every 3 years. This trained contractor cannot conduct
the regular SWPPP compliance inspections unless they meet the
qualified inspector qualifications.
4.6 Contractor Sequence Form
The operator shall prepare a summary of construction status using the Construction
Sequence Form (included in Appendix E) once every month. Significant deviations
to the sequence and reasons for those deviations (i.e. weather, subcontractor
availability, etc.), shall be noted by the contractor. The schedule shall be used to
record the dates for initiation of construction, implementation of erosion control
measures, stabilization, etc. A copy of this table will be maintained at the
construction site and updated.
5.0 POST CONSTRUCTION STORMWATER MANAGEMENT
PRACTICES
5.1 Stormwater Management Controls
The proposed Post Construction Stormwater Management controls on this project
are listed below:
✓ Pocket Ponds (2)
✓ Wet Swales (2)
5.2 Green Infrastructure Practices/Runoff Reduction Techniques
This project proposes the use of rooftop disconnection.
The provided runoff reduction volume (RRv) is 0.041 ac-ft, which is greater than the
minimum required RRv, 0.037 ac-ft.
Soil Restoration
Excessively compacted areas and areas of cut and fill on the Project Site will have
soil restoration applied as needed and as specified in the table below. Attached in
Appendix H is "Deep Ripping and De-compaction, (DEC 2008)." This methodology
should be followed for soil restoration as specified in the table below:
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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Type ofSoil Disturbance Soil Restoration Requirement Comments/Examples
Minimal Soil Disturbance Restoration not permitted Preservation of Natural Features
Areas where topsoil is stripped Restoration not required Clearing and Crrubbing
only-no change in grade
HSG A&B HSG C&D
Areas of cut and fill apply 6 inches of Aerate*and apply
topsoil 6 inches of topsoil
Heavy traffic areas onsite HSG A&B HSG C&D
(especially in a zone 5-25 feet
around buildings,but not within a Aerate and apply 6 Apply full Soil
5 foot perimeter around �ches of topsoil Restoration**
foundation walls)
Keep construction equipment from
Areas where Runoff Reduction Restoration not required,but may be crossing these areas. To protect
and/ar infiltration practices are applied to enhance the reduction newly installed practice from arry
applied specified for appropriate practices ongoing construction activities
construct a single phase operation
fence area.
*Aeration includes the use of machines such as tractor-drawn implements with coulters making a narrow slit in
the soil,a roller with many spikes making indentations in the soil,or prongs which function like a muu-subsoiler
**Per"Deep Ripping and Decopmpaction,DEC 2008"
• If compost amendment is required, 2 to 4 inches of screened compost will be
incorporated into the soil.
• Prior to application of the deep-ripping and de-compaction, the depth to
bedrock or naturally occurring hardpan should be known so that the depth of
tillage be adjusted according to those restrictive depths.
• Soils with a slope that exceeds 10% will not have full soil restoration with
deep-ripping and de-compaction due to potential for erosion from tilled soil.
• Any soil tillage (deep or shallow) will not be done on soils that are
excessively wet, as this will damage the soil.
• Any tillage will not be done within approximately 10' of the drip-line of any
existing established trees.
• Any large stones that are unearthed during tillage should be removed from
the surface prior to final surface preparation and vegetation establishment.
5.3 Post Construction Stormwater Management Drawings
Post construction stormwater management controls are shown on Construction
Drawings included in Appendix C.
5.4 Hydraulic and Hydrologic Analysis
The program utilized for quantifying stormwater runoff rates and volumes was
HydroCAD software, produced by Applied Microcomputer Systems of Chocorua,
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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NH. The SCS 24-hour Type II design storms for 1, 10, and 100-year frequency
rainfall were analyzed.
✓ Hydrologic/hydraulic analysis for all structural components of the stormwater
control system for the applicable design storms (see Appendix B).
✓ Comparison of post-development stormwater runoff conditions with pre-
development conditions (see Appendix B).
✓ Dimensions, material specifications and installation details for each post-
construction stormwater control practice (see Appendix B and C).
5.5 Comparison of Pre and Post Construction Stormwater Runoff
Stormwater Quantity. These calculations are based on the HydroCAD
analysis.
Pre Develo ment Post Develo ment
10 ear, 24 hour storm Q 55.88 cfs 54.67 cfs
100 ear, 24 hour storm Qf 127.66 cfs 125.46 cfs
Water Quality Volume Calculations
The following was utilized to determine water quality volume:
WQv= (P) (Rv)(A)
12
Where:
WQv= Water Quality Volume (acre/feet)
P = 90% Rainfall Event
Rv = 0.05 + 0.009(I) where I is impervious cover in percent
A = Subcatchment area in acres
Re uired Provided
Water Quality Volume (WQv) 0.232 AC FT 0.232 AC FT
6.0 POST CONSTRUCTION STORMWATER MAINTENANCE
6.1 Maintenance to be Performed
227 Kaydeross Ave. Inc. will be responsible for the continuous upkeep and
maintenance of all post construction stormwater management facilities.
Post-construction maintenance for this project will consist of regular inspections of
permanent stormwater management facilities and steep slopes. These
maintenance procedures are essential to assure continual performance of the
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stormwater management practices on your site. During the inspection and any
maintenance activity to the stormwater management practices, the responsible
party should fill out an inspection and maintenance log (Appendix E) to record that it
was done. Annual inspections of the post construction stormwater management
practices shall be completed and inspection reports shall be sent to the office of the
City Engineer for their records.
The City of Saratoga Springs shall approve a formal maintenance and inspection
agreement in accordance with City Code Chapter 242 for stormwater management
facilities to ensure the practices will be properly operated and maintained in
accordance with the long term operation and maintenance plans. This agreement
shall be binding on all subsequent land owners and recorded in the office of the
County Clerk as a deed restriction on the property.
Catch Basins (All)
■ Sediment removal with a vacuum truck should be done at least once a year,
preferably after spring runoff and then in early fall, or when they are at 50%
capacity, whichever comes first.
■ Any mechanical valves should be operated for inspection every two months.
Stormwater Pond (Pocket Pond)
■ Should be inspected twice a year and after heavy rain storms.
■ Any erosion or scour occurring in the pond, forebay or outlets shall be repaired
and re-vegetated as needed.
■ Sediment removal in the forebay shall occur every five to six years or when 50%
full.
■ Provide maintenance easement and right-of-way and removable trash rack on
principal spillway.
■ Regular litter control to be performed as needed.
Wet Swale
■ Should be inspected twice a year and after heavy rain storms.
■ Sediment removal from the swale shall occur every five to six years or when 50%
full.
■ Regular litter control to be performed as needed.
7.0 CONSTRUCTION WASTE
Waste Materials: All waste materials generated during construction will be disposed at
a suitable landfill, or transfer station.
Hazardous Waste: The project will not be a generator of hazardous waste and it is not
anticipated that any hazardous waste will be generated during construction. If there are
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any materials generated, a licensed hazardous waste carrier will be contracted to
dispose the hazardous material at a suitable disposal site. If hazardous materials are
discovered during construction, the work will be stopped until the issue is resolved.
Waste: Portable sanitary facilities will be made available to construction personnel and
will be serviced regularly.
8.0 OFFSITE VEHICLE TRACKING
Excavation equipment involved with the construction will remain on the project site and
will not regularly egress or ingress the site. Any trucks used to bring in materials or
remove materials via municipal paved roads will do so over a stabilized construction
entrance. If any off-site vehicle tracking occurs, the contractor will be directed to initiate,
street sweeping program in the immediate vicinity of the site.
9.0 TEMPORARY STABILIZATION FOR FROZEN
CONDITIONS
The following temporary stabilization measures MUST be performed when construction
is occurring during winter/frozen ground conditions. The following requirements do not
supercede any other requirements of this SWPPP as they apply to non-frozen ground
conditions.
■ Perimeter erosion control MUST still be installed prior to earthwork
disturbance as per this SWPPP.
■ Any areas that cannot be seeded to turf by October 1 or earlier will
receive a temporary seeding. The temporary seeding will consist of
winter rye seeded at the rate of 120 pounds per acre (2.5 pounds per
1,000 square feet) or stabilized as per the temporary stabilization for
winter construction/frozen conditions.
■ Any area of disturbance that will remain inactive for a period of 14
consecutive days MUST be mulched. This includes any previously
disturbed areas that are covered with snow.
■ Mulch MUST consist of loose straw applied at the rate of 2 to 3 bales
(90 to 100 pounds) per thousand square feet.
■ Mulch MUST be applied uniformly over the area of bare soil or bare
soil that is covered with snow. For the latter condition, mulch MUST
be applied on top of snow.
■ Using a tracked vehicle, mulch MUST be crimped into the bare
soil/snow. The tracked vehicle MUST be driven across the mulched
areas in at least two directions to maximize crimping of mulch into the
soil/snow.
■ If mulch gets blown off an area to a significant degree, the site
inspector WILL require that an area be re-mulched in accordance with
Items 2 through 5 above, and this area WILL be included on the
inspection checklist for the next inspection.
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■ If a particular area repeatedly experiences loss of mulch due to wind,
then the inspector WILL require that an alternative method be used to
secure the mulch in place. Such alternatives may include the use of
netting, tackifier or other methods deemed appropriate by the
inspector.
■ During periods when snow is melting and/or surface soils are thawing
during daytime hours, mulched areas MUST be re-tracked (crimped)
as per Item 5 above at least once every seven days, more frequently if
directed by the inspector. Additional mulch may be required to obtain
complete coverage of an area. Biodegradable erosion control matting
may be required on steeper slopes.
■ Additional stabilization measures for non-frozen ground conditions
described in this SWPPP WILL be implemented at the time deemed
appropriate by the inspector.
During the winter season, if a site has been stabilized and soil disturbing activities have
been suspended for the winter, weekly inspections can be suspended. However, monthly
inspections must still be conducted. All normal weekly inspections must resume when soil
disturbing activities resume.
10.0 SPILL PREVENTION PRACTICES
Good Housekeeping and Material Management Practices
The following good housekeeping and material management practices will be followed
on site during the construction project to reduce the risk of spills or other accidental
exposure of materials and substances to stormwater runoff.
■ Materials will be brought on site in the minimum quantities required.
■ All materials stored on site will be stored in a neat, orderly manner in
their appropriate containers, and if possible, under a roof or other
enclosure.
■ Products will be kept in their original containers with the original
manufacturer's label.
■ Substances will not be mixed with one another unless recommended
by the manufacturer.
■ Whenever possible, all of a product will be used up before disposal.
■ Manufacturer's recommendations for proper use and disposal will be
followed.
■ The construction manager or his designee will inspect regularly to
ensure proper use and disposal of materials on site.
■ The contractor shall prohibit washing of tools, equipment, and
machinery in or within 100 feet of any watercourse or wetland.
■ All above grade storage tanks are to be protected from vehicle damage
by temporary barriers.
Inventory for Pollution Prevention Plan
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The materials and substances listed below are expected to be on-site during
construction.
■ Petroleum for fueling vehicles will be stored in above ground storage
tanks. Tanks will either be steel with an enclosure capable of holding
110% of the storage tank volume or of a Con-Store, concrete encased
type typically employed by NYSDOT. Hydraulic oil and other oils will
be stored in their original containers. Concrete and asphalt will be
stored in the original delivery trucks.
■ Fertilizer may be stored on site in its original container for a short
period of time prior to seeding. Original containers will be safely piled
on pallets or similar devices to protect from moisture.
■ Paints and other similar materials will be stored in their original
containers and all empty containers will be disposed of in accordance
with label directions.
■ Portable sanitary facilities, which contain chemical disinfectants
(deodorants) will be located on-site, with the disinfectants held in the
tank of the toilet.
Hazardous Products
These practices are used to reduce the risks associated with hazardous materials.
■ Products will be kept in original containers unless they are not re-
sealable.
■ Original labels and material safety data sheets will be retained; they
contain important product information.
■ If surplus product must be disposed of, manufacturers' or local and
State recommended methods for proper disposal will be followed.
Spill Prevention
The following product specific practices will be followed on site.
Petroleum Products:
■ Construction personnel should be made aware that emergency
telephone numbers are located in this SWPPP.
■ The contractor shall immediately contact NYSDEC in the event of a
spill, and shall take all appropriate steps to contain the spill, including
construction of a dike around the spill and placing absorbent material
over this spill.
■ The contractor shall instruct personnel that spillage of fuels, oils, and
similar chemicals must be avoided and will have arranged with a
qualified spill remediation company to serve the site.
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■ Fuels, oils, and chemicals will be stored in appropriate and tightly
capped containers. Containers shall not be disposed of on the project
site.
■ Fuels, oils, chemicals, material, equipment, and sanitary facilities will
be stored/located away from trees and at least 100 feet from streams,
wells, wet areas, and other environmentally sensitive sites.
■ Dispose of chemical containers and surplus chemicals off the project
site in accordance with label directions.
■ Use tight connections and hoses with appropriate nozzles in all
operations involving fuels, lubricating materials or chemicals.
■ Use funnels when pouring fuels, lubricating materials or chemicals.
■ Refueling and cleaning of construction equipment will take place in
parking areas to provide rapid response to emergency situations.
■ All on-site vehicles will be monitored for leaks and receive regular
preventative maintenance to reduce the chance of leakage. Any
vehicle leaking fuel or hydraulic fuel will be immediately scheduled for
repairs and use will be discontinued until repairs are made.
Fertilizers:
■ Fertilizer will be stored in its original containers on pallets with water
resistant coverings.
■ Proper delivery scheduling will minimize storage time.
■ Any damaged containers will be repaired immediately upon discovery
and any released fertilizer recovered to the fullest extent practicable.
Paints:
■ All containers will be tightly sealed and stored when not required for
use.
■ Excess paint will not be discharged to the storm water system or
wastewater system, but will be properly disposed of according to
manufacturers' instructions or State and local regulations.
Concrete Trucks:
■ Concrete trucks will be allowed to wash out or discharge surplus
concrete or drum wash water only at designated locations on site.
Asphalt Trucks:
■ Asphalt trucks shall not discharge surplus asphalt on the site.
Spill Control Practices
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In addition to the good housekeeping and material management practices discussed in
the previous sections of this plan, the following practices will be followed for spill
prevention and cleanup. The construction manager or site superintendent responsible
for the day-to-day site operations will be the spill prevention and cleanup coordinator.
He will designate at least three other site personnel who will receive spill prevention and
cleanup training. These individuals will each become responsible for a particular phase
of prevention and cleanup. The names of responsible spill personnel will be posted in
the material storage area and in the onsite construction office or trailer.
■ Manufacturers' recommended methods for spill cleanup will be clearly
posted and site personnel will be made aware of the procedures and
the location of the information and cleanup supplies. Any spill in
excess or suspected to be in excess of two gallons will be reported to
the NYSDEC Regional Spill Response Unit. Notification to the
NYSDEC (1-800-457-7362) must be completed within two hours of the
discovery of the spill.
■ Materials and equipment necessary for spill cleanup will be kept in the
material storage area onsite. Equipment and materials will include but
not be limited to absorbent pads, brooms, dust pans, mops, rags,
gloves, goggles, activated clay, sand, sawdust, and plastic and metal
trash containers specifically for this purpose.
■ All spills will be cleaned up immediately after discovery.
■ The spill area will be kept well ventilated and personnel will wear
appropriate protective clothing to prevent injury from contact with
spilled substance.
■ Spills of toxic or hazardous material will be reported to the appropriate
State or local government agency, regardless of the size
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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11 .0 CERTIFICATIONS
Preparer Certification of Compliance with Federal, State, and Local Regulations
This Stormwater Pollution Prevention Plan was prepared in accordance
with the New York State Department of Environmental Conservation
SPDES General Permit for Stormwater Discharges from Construction
Activities (Permit No. GP-0-15-002), pursuant to Article 17, Titles 7, 8 and
Article 70 of the Environmental Conservation Law. This SPDES General
Permit implements the Federal Clean Water Act pertaining to stormwater
discharges.
Name: Doug Heller Title: Civil Engineer
Signature: Date:
Company Name: The LA Group, PC
Owner Pollution Prevention Plan Certification
1 certify under penalty of law that this document and all attachments were
prepared under my direction or supervision to assure that qualified
personnel properly gathered and evaluated the information submitted.
Based on my inquiry of the person or persons who are directly responsible
for gathering the information, the information submitted is, to the best of
my knowledge and belief, true, accurate, and complete. 1 am aware that
false statements made herein are punishable as a Class A misdemeanor
pursuant to Section 210.45 of the Penal Law.
1 understand that GP-0-20-001 requires site inspections be conducted by a
qualified professional once every seven (7) days and when approved in
writing by the NYSDEC, disturbances of greater than five (5) acres at one
time require site inspections two (2) times every seven (7) days. These
inspections shall be performed by a qualified professional as defined by
the General Permit.
The Owner/Operator will be held financially responsible for any and all fines
related to work tasks that are not specified by the Contractor(s)/Subcontractor(s)
below.
Name: Title:
Signature: Date:
Company Name:
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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Contractor and Subcontractor Certification
1 hereby certify that 1 understand and agree to comply with the terms and
conditions of the SWPPP and agree to implement any corrective actions
identified by the qualified inspector during a site inspection. 1 also
understand that the owner or operator must comply with the terms and
conditions of the New York State Pollutant Discharge Elimination System
("SPDES") general permit for stormwater discharges from construction
activities and that it is unlawful for any person to cause or contribute to a
violation of water quality standards. Furthermore, 1 understand that
certifying false, incorrect or inaccurate information is a violation of the
referenced permit and the laws of the State of New York and could subject
me to criminal, civil and/or administrative proceeding.
Name Title
Signature Date
Company Name
Address
City, State, Zip
Phone Number
1.
2.
SWPPP Components You 3.
Are Responsible For 4.
5.
6.
Name of Trained
Individual Responsible for
SWPPP Implementation Title
Signature of Trained
Individual Responsible for
SWPPP Implementation Date
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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Contractor and Subcontractor Certification
1 hereby certify that 1 understand and agree to comply with the terms and
conditions of the SWPPP and agree to implement any corrective actions
identified by the qualified inspector during a site inspection. 1 also
understand that the owner or operator must comply with the terms and
conditions of the New York State Pollutant Discharge Elimination System
("SPDES") general permit for stormwater discharges from construction
activities and that it is unlawful for any person to cause or contribute to a
violation of water quality standards. Furthermore, 1 understand that
certifying false, incorrect or inaccurate information is a violation of the
referenced permit and the laws of the State of New York and could subject
me to criminal, civil and/or administrative proceeding.
Name Title
Signature Date
Company Name
Address
City, State, Zip
Phone Number
1.
2.
SWPPP Components You 3.
Are Responsible For 4.
5.
6.
Name of Trained
Individual Responsible for
SWPPP Implementation Title
Signature of Trained
Individual Responsible for
SWPPP Implementation Date
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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Contractor and Subcontractor Certification
1 hereby certify that 1 understand and agree to comply with the terms and
conditions of the SWPPP and agree to implement any corrective actions
identified by the qualified inspector during a site inspection. 1 also
understand that the owner or operator must comply with the terms and
conditions of the New York State Pollutant Discharge Elimination System
("SPDES") general permit for stormwater discharges from construction
activities and that it is unlawful for any person to cause or contribute to a
violation of water quality standards. Furthermore, 1 understand that
certifying false, incorrect or inaccurate information is a violation of the
referenced permit and the laws of the State of New York and could subject
me to criminal, civil and/or administrative proceeding.
Name Title
Signature Date
Company Name
Address
City, State, Zip
Phone Number
1.
2.
SWPPP Components You 3.
Are Responsible For 4.
5.
6.
Name of Trained
Individual Responsible for
SWPPP Implementation Title
Signature of Trained
Individual Responsible for
SWPPP Implementation Date
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Contractor and Subcontractor Certification
1 hereby certify that 1 understand and agree to comply with the terms and
conditions of the SWPPP and agree to implement any corrective actions
identified by the qualified inspector during a site inspection. 1 also
understand that the owner or operator must comply with the terms and
conditions of the New York State Pollutant Discharge Elimination System
("SPDES") general permit for stormwater discharges from construction
activities and that it is unlawful for any person to cause or contribute to a
violation of water quality standards. Furthermore, I understand that
certifying false, incorrect or inaccurate information is a violation of the
referenced permit and the laws of the State of New York and could subject
me to criminal, civil and/or administrative proceeding.
Name Title
Signature Date
Company Name
Address
City, State, Zip
Phone Number
1.
2.
SWPPP Components You 3.
Are Responsible For 4.
5.
6.
Name of Trained
Individual Responsible for
SWPPP Implementation Title
Signature of Trained
Individual Responsible for
SWPPP Implementation Date
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12.0 DEFINITIONS
Construction Activity(ies) - means any clearing, grading, excavation, filling,
demolition, or stockpiling activities that result in soil disturbance. Clearing activities can
include, but are not limited to, logging equipment operation, the cutting and skidding of
trees, tree removal, stump removal and/or brush removal. Construction activity does
not include routine maintenance that is performed to maintain the original line and
grade, hydraulic capacity, or original purpose of a facility.
Construction Phasing Plan - a plan designed to construct particular portions of an
individual project at different times. Phasing is often used when a project is very large
to limit the disturbance at a single time to 5 acres per phase.
Erosion and Sediment Control Practices —temporary measures installed prior to
construction and maintained during construction to temporarily treat any stormwater
runoff. Once construction is completed and post-construction stormwater management
practices are installed and the site is stabilized, the erosion and sediment control
practices are removed from the site.
Final Stabilization - means that all soil disturbance activities have ceased and a
uniform, perennial vegetative cover with a density of eighty (80) percent over the entire
pervious surface has been established; or other equivalent stabilization measures, such
as permanent landscape mulches, rock rip-rap or washed/crushed stone have been
applied on all disturbed areas that are not covered by permanent structures, concrete
pavement.
Green Infrastructure — in the context of stormwater management, the term green
infrastructure includes a wide array of practices at multiple scales to manage and treat
stormwater, maintain and restore natural hydrology and ecological function by
infiltration, evapotranspiration, capture and reuse of stormwater, and establishment of
natural vegetative features. On a regional scale, green infrastructure is the preservation
and restoration of natural landscape features, such as forests, floodplains and wetlands,
coupled with policies such as infill and redevelopment that reduce overall
imperviousness in a watershed or ecoregion. On the local scale green infrastructure
consist of site and neighborhood specific practices and runoff reduction techniques.
Such practices essentially result in runoff reduction and or establishment of habitat
areas with significant utilization of soils, vegetation, and engineered media rather than
traditional hardscape collection, conveyance and storage structures. Some examples
include green roofs, trees and tree boxes, pervious pavement, rain gardens, vegetated
swales, planters, reforestation and protection and enhancement of riparian buffers and
floodplains.
Impervious Area (Cover) - means all impermeable surfaces that cannot effectively
infiltrate rainfall. This includes paved, concrete and gravel surfaces (i.e. parking lots,
driveways, roads, runways, and sidewalks); building rooftops, and miscellaneous
impermeable structures such as patios, pools, and sheds.
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Municipal Separate Storm Sewer (MS4) — a conveyance or system of conveyances
(including roads with drainage systems, municipal streets, catch basins, curbs, gutters,
ditches, man-made channels, or storm drains):
i. Owned or operated by a state, city, town, borough, county, parish, district,
association, or other public body (created by or pursuant to State law) having
jurisdiction over disposal of sewage, industrial wastes, stormwater, or other
wastes, including special districts under State law such as a sewer district,
flood control district or drainage district, or similar entity, or an Indian tribe or
an authorized Indian tribal organization, or a designated and approved
management agency under section 208 of the CWA that discharges to
surface waters of the State.
ii. Designed or used for collecting or conveying stormwater
iii. Which is not a combined sewer
iv. Which is not part of a Publicly Owned Treatment Works (POTW) as defined at
40 CFR 122.2.
Notice of Intent — a standardized format notification sent to the NYSDEC to inform
them of the proposed activity to be sent after the SWPPP has been completed.
Owner or Operator — means the person, persons or legal entity which owns or leases
the property on which the construction activity is occurring; and/or an entity that has
operational control over the construction plans and specifications, including the ability to
make modifications to the plans and specifications.
Post-Construction Stormwater Management Practices — permanent devices
constructed or installed onsite to treat stormwater from a site when construction is
com pleted.
Qualified Inspector — means a person that is knowledgeable in the principles and
practices of erosion and sediment control, such as a licensed Professional Engineer,
Certified Professional in Erosion and Sediment Control (CPESC), Registered
Landscape Architect, or other Department endorsed individual(s). It can also mean
someone working under the direct supervision of, and at the same company as, the
licensed Professional Engineer or Registered Landscape Architect, provided that
person has training in the principles and practices of erosion and sediment control.
Training in the principles and practices of erosion and sediment control means that the
individual working under the direct supervision of the licensed Professional Engineer or
Registered Landscape Architect has received four (4) hours of Department endorsed
training in proper erosion and sediment control principles from a Soil and Water
Conservation District, or other Department endorsed entity. After receiving the initial
training, the individual working under the direct supervision of the licensed Professional
Engineer or Registered Landscape Architect shall receive four (4) hours of training
every three (3) years. It can also mean a person that meets the Qualified Professional
qualifications in addition to the Qualified Inspector qualifications.
Qualified Professional — means a person that is knowledgeable in the principles and
practices of stormwater management and treatment, such as a licensed Professional
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Stormwater Pollution Prevention Plan Kaydeross Avenue East Conservation Subdivision
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Engineer, Registered Landscape Architect or other Department endorsed individual(s).
Individuals preparing SWPPPs that require the post-construction stormwater
management practice component must have an understanding of the principles of
hydrology, water quality management practice design, water quantity control design,
and, in many cases, the principles of hydraulics. All components of the SWPPP that
involve the practice of engineering, as defined by the NYS Education Law (see Article
145) , shall be prepared by, or under the direct supervision of, a professional engineer
licensed ot practice in the State of New York.
Regulated, Traditional Land Use Control MS4 - means a city, town, or village with
land use control authority that is required to gain coverage under New York State DEC's
SPDES General Permit for Stormwater Discharges from Municipal Separate
Stormwater Sewer Systems (MS4s).
Sequence of Operations — the individual steps and their specific order which are
undertaken in order to construct a project or a given phase of a project from beginning
to end. (i.e. clearing, grading, foundation work, landscaping, etc.)
State Pollutant Discharge Elimination System (SPDES) — means the system
established pursuant to Article 17 of the Environmental Conservation Law (ECL) and 6
NYCRR Part 750 for issuance of permits authorizing discharges to the waters of the
state.
Stormwater Pollution Prevention Plan (SWPPP) - a report that is compiled providing
detailed information about the proposed activity and the specifics to how the stormwater
will be managed during construction and after construction is completed.
Surface Waters of the State - shall be construed to include lakes, bays, sounds,
ponds, impounding reservoirs, springs, rivers, streams, creeks, estuaries, marshes,
inlets, canals, the Atlantic Ocean, within the territorial seas of the state of New York and
all other bodies of surface water, natural or artificial, inland or coastal, fresh or salt,
public or private (except those private waters that do not combine or effect a junction
with natural surface or underground waters), which are wholly or partially within or
bordering the state or within its jurisdiction. Waters of the state are further defined in 6
NYCRR Parts 800-941.
Temporary Stabilization — means that exposed soil has been covered with material(s)
as set forth in the technical standard, New York Standards and Specifications for
Erosion and Sediment Control, to prevent the exposed soil from eroding. The materials
can include, but are not limited to, mulch, seed and mulch, and erosion control mats
(e.g. jute twisted yarn, excelsior wood fiber mats).
Trained Contractor — means an employee from a contracting (construction) company
responsible for the day to day implementation of the SWPPP. The trained contractor
must have received 4 hours of Department endorsed training in proper erosion and
sediment control principles from a Soil and Water Conservation District, or other
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Department endorsed entity. After receiving the initial training, the qualified inspector
shall receive 4 hours of training every 3 years.
It can also mean an employee from the contracting (construction) company that meets
the qualified inspector qualifications (e.g. licensed Professional Engineer, Certified
Professional in Erosion and Sediment Control (CPESC), Registered Landscape
Architect, or someone working under the direct supervision of, and at the same
company as, the licensed Professional Engineer or Registered Landscape Architect,
provided they have received 4 hours of Department endorsed training in proper erosion
and sediment control principles from a Soil and Water Conservation District, or other
Department endorsed entity.
G:\Proj-2018�2,018135_Skidmore_Flex Building�2,018135Enviro\02SWPPP�2,018135_SWPPP.docx
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Appendix A
Notice of Intent
(NOI)
NOI for coverage under Stormwater General Permit for
Construction Activity
version 1.23
(Submission#: HNY-DZF4-HR8NR,version 1)
Details
Form Alias Kaydeross Ave East NOI for coverage under Stormwater General Permit for Construction Activity
Form Started 3/21/2020 8:55 PM by Kara Tedford
Form Submitted
Submission# HNY-DZF4-HR8NR
Submission Reason New
Status D raft
Alternate ID:
Form Input
Owner/Operator Information
Owner/Operator Name(Company/Private Owner/Municipality/Agency/Institution,etc.)
227 Kaydeross Ave. Inc.
Owner/Operator Contact Person Last Name(NOT CONSULTANT)
Scott
Owner/Operator Contact Person First Name
Kenneth
Owner/Operator Mailing Address
43 Edgewater Drive
City
Dunedin
State
FI
Zip
34698
Phone
727-608-3083
Email
NONE PROVIDED
Federal Tax ID
NONE PROVIDED
Project Location
Project/Site Name
Kaydeross Avenue East Conservation Subdivision
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Street Address(Not P.O.Box)
227 Kaydeross Avenue
Side of Street
West
City/TownNillage(THAT ISSUES BUILDING PERMIT)
Cityof Saratoga Springs
State
NY
Zip
12866
County
SARATOGA
DEC Region
5
Name of Nearest Cross Street
Crescent Avenue
Distance to Nearest Cross Street(Feet)
1500
Project In Relation to Cross Street
South
Tax Map Numbers Section-Block-Parcel
192.-1-10/192.-1-39
Tax Map Numbers
NONE PROVIDED
1.Coordinates
Provide the Geographic Coordinates for the project site.The two methods are:
-Navigate to the project location on the map(below)and click to place a marker and obtain the XYcoordinates.
-The"Find Me"button will provide the lat/long for the person filling out this form.Then pan the map to the correct location and
click the map to place a marker and obtain the XYcoordinates.
Navigate to your location and click on the map to get the X,Y coordinates
43.0505512,-73.75950139999999
Project Details
2.What is the nature of this project?
New Construction
3.Select the predominant land use for both pre and post development conditions.
Pre-Development Existing Landuse
Single Family Home
Post-Development Future Land Use
Single FamilySubdivision
3a.ff Single Family Subdivision was selected in question 3,enter the number of subdivision lots.
15
4. In accordance with the larger common plan of development or sale,enter the total project site acreage,the acreage to be
disturbed and the future impervious area(acreage)within the disturbed area.
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***ROUND TO THE NEAREST TENTH OF AN ACRE.***
Total Site Area(acres)
78.87
Total Area to be Disturbed(acres)
14
Existing Impervious Area to be Disturbed(acres)
0
Future Impervious Area�thin Disturbed Area(acres)
2
5.Do you plan to disturb more than 5 acres of soil at any one time?
No
6. Indicate the percentage(%)of each Hydrologic Soil Group(HSG)at the site.
A(%)
0
B(%)
�
C�%�
�
D(%)
100
7.Is this a phased project?
Yes
8.Enter the planned start and end dates of the disturbance activities.
Start Date
9/1/2020
End Date
11/1/2021
9.Identify the nearest surFace waterbody(ies)to which construction site runoff will discharge.
Onsite Wetland
9a.Type of waterbody identified in question 9?
Wetland/Federal Jurisdiction On Site(Answer 9b)
Other Waterbody Type Off Site Description
ACOE Wetland
10.Has the surFace waterbody(ies in question 9 been identified as a 303(d)segment in Appendix E of GP-0-20-001?
No
11.Is this project located in one of the Watersheds identified in Appendix C of GP-0-20-001?
No
12.Is the project located in one of the watershed areas associated with AA and AA-S classified waters?
No
ff No,skip question 13.
13.Does this construction activity disturb land with no existing impervious cover and where the Soil Slope Phase is
identified as an E or F on the USDA Soil Survey?
No
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ff Yes,what is the acreage to be disturbed?
NONE PROVIDED
14.�II the project disturb soils within a State regulated wetland or the protected 100 foot adjacent area?
No
15.Does the site runoff enter a separate storm sewer system(including roadside drains,swales,ditches,culverts,
etc)?
Yes
16.What is the name of the municipality/entity that owns the separate storm sewer system?
Cityof Saratoga Springs
17.Does any runoff from the site enter a sewer classified as a Combined Sewer?
No
18.�II future use of this site be an agricultural property as defined by the NYS Agriculture and Markets Law?
No
19.Is this property owned by a state authority,state agency,federal government or local government?
No
20.Is this a remediation project being done under a Department approved work plan?(i.e.CERCLA,RCRA,
Voluntary Cleanup Agreement,etc.)
No
Required SWPPP Components
21.Has the required Erosion and Sediment Control component of the SWPPP been developed in conformance with
the current NYS Standards and Specifications for Erosion and Sediment Control(aka Blue Book)?
Yes
22.Does this construction activity require the development of a SWPPP that includes the post-construction
stormwater management practice component(i.e.Runoff Reduction,Water Quality and Quantity Control
practices/techniques)?
Yes
ff you answered No in question 22,skip question 23 and the Post-construction Criteria and Post-construction SMP
Identification sections.
23.Has the post-construction stormwater management practice component of the SWPPP been developed in
conformance with the current NYS Stormwater Management Design Manual?
Yes
24.The Stormwater Pollution Prevention Plan(SWPPP)was prepared by:
Professional Engineer(P.E.)
SWPPP Preparer
The LA Group
Contact Name(Last,Space,First)
Heller pouglas
Mailing Address
40 Long Alley
City
Saratoga Springs
State
NY
Zip
12866
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Phone
518-587-8100
Email
d heller@thelagroup.com
Download SWPPP Preparer Certification Form
Please take the following steps to prepare and upload your preparer certification form:
1)Click on the link below to download a blank certification form
2)The certified SWPPP preparer should sign this form
3)Scan the signed form
4)Upload the scanned document
Download SWPPP Preparer Certification Form
Please upload the SWPPP Preparer Certification
NONE PROVIDED
Comment
NONE PROVIDED
Erosion &Sediment Control Criteria
25.Has a construction sequence schedule for the planned management practices been prepared?
Yes
26.Select all of the erosion and sediment control practices that will be employed on the project site:
Temporary Structural
Level Spreader
Silt Fence
Stabilized Construction Entrance
Storm Drain Inlet Protection
Biotechnical
None
Vegetative Measures
Seeding
Sodding
Mulching
Topsoi li ng
Permanent Structural
Land Grading
Rock Outlet Protection
Other
NONE PROVIDED
Post-Construction Criteria
*IMPORTANT: Completion of Questions 27-39 is not required if response to Question 22 is No.
27.Identify all site planning practices that were used to prepare the final site plan/layout for the project.
Preservation of Undisturbed Area
Reduction of Clearing and Grading
Locating Development in Less Sensitive Areas
27a.Indicate which of the following soil restoration criteria was used to address the requirements in Section
5.1.6("Soil Restoration")of the Design Manual(2010 version).
All disturbed areas will be restored in accordance with the Soil Restoration requirements in Table 5.3 of the Design Manual(see
page 5-22).
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28.Provide the total Water Quality Volume(WQv)required for this project(based on final site plan/layout).(Acre-feet)
0.232
29.Post-construction SMP Identification
Use the Post-construction SMP Identification section to identify the RR techniques(Area Reduction),RR techniques(Volume
Reduction)and Standard SMPs with RRv Capacity that were used to reduce the Total WQv Required (#28).
Identify the SMPs to be used by providing the total impervious area that contributes runoff to each technique/practice selected.
For the Area Reduction Techniques,provide the total contributing area(includes pervious area)and, if applicable,the total
impervious area that contributes runoff to the technique/practice.
Note: Redevelopment projects shall use the Post-Construction SMP Identification section to identifythe SMPs used to treat
and/or reduce the WQv required. If runoff reduction techniques will not be used to reduce the required WQv,skip to question 33a
after identifying the SMPs.
30.Indicate the Total RRv provided by the RR techniques(Areallolume Reduction)and Standard SMPs with RRv
capacity identified in question 29.(acre-feet)
0.041
31.Is the Total RRv provided(#30)greater than or equal to the total WQv required(#28)?
No
ff Yes,go to question 36.ff No,go to question 32.
32.Provide the Minimum RRv required based on HSG.[Minimum RRv Required=(P)(0.95)(Ai)/12,Ai=(s)(Aic)]
(acre-feet)
0.037
32a.Is the Total RRv provided(#30)greater than or equal to the Minimum RRv Required(#32)?
Yes
ff Yes,go to question 33.
Note: Use the space provided in question#39 to summarize the specific site limitations and justification for not reducing 100%
of WQv required (#28).A detailed evaluation of the specific site limitations and justification for not reducing 100%of the WQv
required (#28)must also be included in the SWPPP.
If No,sizing criteria has not been met;therefore,NOI can not be processed.SWPPP preparer must modify design to meet
sizing criteria.
33.SMPs
Use the Post-construction SMP Identification section to identifythe Standard SMPs and, if applicable,the Alternative SMPs to
be used to treat the remaining total WQv(=Total WQv Required in#28-Total RRv Provided in#30).
Also,provide the total impervious area that contributes runoff to each practice selected.
NOTE: Use the Post-construction SMP Identification section to identifythe SMPs used on Redevelopment projects.
33a.Indicate the Total WQv provided(i.e.WQv treated)by the SMPs identified in question#33 and Standard SMPs
with RRv Capacity identified in question#29.(acre-feet)
0.191
Note: For the standard SMPs with RRv capacity,the WQv provided by each practice=the WQv calculated using the contributing
drainage area to the practice-provided by the practice.(See Table 3.5 in Design Manual)
34.Provide the sum of the Total RRv provided(#30)and the WQv provided(#33a).
0.232
35.Is the sum of the RRv provided(#30)and the WQv provided(#33a)greater than or equal to the total WQv required
(#28)?
Yes
If Yes,go to question 36.
If No,sizing criteria has not been met;therefore,NOI can not be processed.SWPPP preparer must modify design to meet
sizing criteria.
36.Provide the total Channel Protection Storage Volume(CPv required and provided or select waiver(#36a),if
4/8/2020 5:2534 PM Page 6 of 10
applicable.
CPv Required(acre-feet)
0.04
CPv Provided(acre-feet)
0.04
36a.The need to provide channel protection has been waived because:
NONE PROVIDED
37.Provide the Overbank Flood(Qp)and Extreme Flood((�control criteria or select waiver(#37a),if applicable.
Overbank Flood Control Criteria(Qp)
Pre-Development(CFS)
55.88
Post-Development(CFS)
54.62
Total Extreme Flood Control Criteria((�
Pre-Development(CFS)
127.66
Post-Development(CFS)
125.34
37a.The need to meet the Qp and Qf criteria has been waived because:
NONE PROVIDED
38.Has a long term Operation and Maintenance Plan for the post-construction stormwater management practice(s)
been developed?
Yes
ff Yes,Identify the entity responsible for the long term Operation and Maintenance
227 Kaydeross Avenue East
39.Use this space to summarize the specific site limitations and justification for not reducing 100% of WQv required
(#28).(See question#32a)This space can also be used for other pertinent project information.
The site has shallow depth to groundwater.
Post-Construction SMP Identification
Runoff Reduction(RR)Techniques,Standard Stormwater Management Practices(SMPs)and Alternative SMPs
Identify the Post-construction SMPs to be used by providing the total impervious area that contributes runoff to each
technique/practice selected.For the Area Reduction Techniques,provide the total contributing area(includes pervious area)
and, if applicable,the total impervious area that contributes runoff to the technique/practice.
RR Techniques(Area Reduction)
Round to the nearest tenth
Total Contributing Acres for Conservation of Natural Area(RR-1)
NONE PROVIDED
Total Contributing Impervious Acres for Conservation of Natural Area(RR-1)
NONE PROVIDED
Total Contributing Acres for SheetFlow to Riparian Buffers/Filter Strips(RR-2)
NONE PROVIDED
Total Contributing Impervious Acres for Sheetflow to Riparian Buffers/Filter Strips(RR-2)
NONE PROVIDED
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Total Contributing Acres for Tree Planting/Tree Pit(RR-3)
NONE PROVIDED
Total Contributing Impervious Acres for Tree Planting/Tree Pit(RR-3)
NONE PROVIDED
Total Contributing Acres for Disconnection of Rooftop Runoff(RR-4)
NONE PROVIDED
RR Techniques(Volume Reduction)
Total Contributing Impervious Acres for Disconnection of Rooftop Runoff(RR�)
0.45
Total Contributing Impervious Acres for Vegetated Swale(RR�)
NONE PROVIDED
Total Contributing Impervious Acres for Rain Garden(RR-6)
NONE PROVIDED
Total Contributing Impervious Acres for Stormwater Planter(RR-7)
NONE PROVIDED
Total Contributing Impervious Acres for Rain Barrel/Cistern(RR-8)
NONE PROVIDED
Total Contributing Impervious Acres for Porous Pavement(RR-9)
NONE PROVIDED
Total Contributing Impervious Acres for Green Roof(RR-10)
NONE PROVIDED
Standard SMPs with RRv Capacity
Total Contributing Impervious Acres for Infiltration Trench(I-1)
NONE PROVIDED
Total Contributing Impervious Acres for Infiltration Basin(I-2)
NONE PROVIDED
Total Contributing Impervious Acres for Dry Well(I-3)
NONE PROVIDED
Total Contributing Impervious Acres for Underground Infiltration System(I-4)
NONE PROVIDED
Total Contributing Impervious Acres for Bioretention(F-5)
NONE PROVIDED
Total Contributing Impervious Acres for Dry Swale(O-1)
NONE PROVIDED
Standard SMPs
Total Contributing Impervious Acres for Micropool Extended Detention(P-1)
NONE PROVIDED
Total Contributing Impervious Acres for Wet Pond(P-2)
NONE PROVIDED
Total Contributing Impervious Acres for Wet Extended Detention(P-3)
NONE PROVIDED
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Total Contributing Impervious Acres for Multiple Pond System(P-4)
NONE PROVIDED
Total Contributing Impervious Acres for Pocket Pond(P�)
1.4
Total Contributing Impervious Acres for SurFace Sand Filter(F-1)
NONE PROVIDED
Total Contributing Impervious Acres for Underground Sand Filter(F-2)
NONE PROVIDED
Total Contributing Impervious Acres for Perimeter Sand Filter(F-3)
NONE PROVIDED
Total Contributing Impervious Acres for Organic Filter(F-4)
NONE PROVIDED
Total Contributing Impervious Acres for Shallow Wetland(W-1)
NONE PROVIDED
Total Contributing Impervious Acres for Extended Detention Wetland(W-2)
NONE PROVIDED
Total Contributing Impervious Acres for Pond/Wetland System(W-3)
NONE PROVIDED
Total Contributing Impervious Acres for Pocket Wetland(W�)
NONE PROVIDED
Total Contributing Impervious Acres for Wet Swale(O-2)
0.14
Alternative SMPs(DO NOT INCLUDE PRACTICES BEING USED FOR PRETREATMENT ONLI�
Total Contributing Impervious Area for Hydrodynamic
NONE PROVIDED
Total Contributing Impervious Area for Wet Vault
NONE PROVIDED
Total Contributing Impervious Area for Media Filter
NONE PROVIDED
"Other"Alternative SMP?
NONE PROVIDED
Total Contributing Impervious Area for"Other"
NONE PROVIDED
Provide the name and manufaturer of the alternative SMPs(i.e.proprietary practice(s))being used for WQv
treatment.
Note: Redevelopment projects which do not use RR techniques,shall use questions 28,29,33 and 33a to provide
SMPs used,total WQv required and total WQv provided for the project.
Manufacturer of Alternative SMP
NONE PROVIDED
Name of Alternative SMP
NONE PROVIDED
Other Permits
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40.Identify other DEC permits,existing and new,that are required for this project/facility.
None
ff SPDES Multi-Sector GP,then give permit ID
NONE PROVIDED
ff Other,then identify
NONE PROVIDED
41.Does this project require a US Army Corps of Engineers Wetland Permit?
Yes
ff"Yes,"then indicate Size of Impact,in acres,to the nearest tenth
.1
42.ff this NOI is being submitted for the purpose of continuing or transferring coverage under a general permit for
stormwater runoff from construction activities,please indicate the former SPDES number assigned.
NONE PROVIDED
MS4 SWPPP Acceptance
43.Is this project subject to the requirements of a regulated,traditional land use control MS4?
Yes-Please attach the MS4 Acceptance form below
ff No,skip question 44
44.Has the"MS4 SWPPP Acceptance"form been signed by the principal executive officer or ranking elected official
and submitted along with this NOI?
No
MS4 SWPPP Acceptance Form Download
Download form from the link below.Complete,sign,and upload.
MS4 SWPPP Acceptance Form
MS4 Acceptance Form Upload
NONE PROVIDED
Comment
NONE PROVIDED
Owner/Operator Certification
Owner/Operator Certification Form Download
Download the certification form byclicking the link below.Complete,sign,scan,and upload the form.
Owner/Operator Certification Form(PDF.45KB�
Upload Owner/Operator Certification Form
NONE PROVIDED
Comment
NONE PROVIDED
4/8/2020 5:2534 PM Page 10 of 10
�� New York State Department of Environmental Conservation
Division of Water
� 625 Broadway, 4th Floor
� Albany, New York 12233-3505
MS4 Stormwater Pollution Prevention Plan (SWPPP) Acceptance Form
for
Construcfion Activities Seeldng Authorizafion Under SPDES General Permit
*(NOTE: Attach Completed Form to Notice Of Intent and Submit to Address Above)
I. Project Owner/Operator Information
1. Owner/OperatorName: 227 Kayd@I'OSS AV@. IfIC.
z. con�tPerson: Kenneth Scott
3. sr�eet aaaress: 43 Edgewater Drive
4. ciryisr�teizip: Dunedin, FL 34698
II. Project Site Informafion
s.Pro�e�r�s�te N�e: Kaydeross Avenue East Conservation Subdivision
6. Street Address: 227 Kaydel'oss Ave
�. c��yisr�teiz�p: Saratoga Springs, NY 12866
III. Stormwater Pollution Prevention Plan(SWPPP)Review and Acceptance Information
8. SWPPP Reviewed by:
9. Title/Position:
10.Date Final SWPPP Reviewed and Accepted:
IV.Regulated MS4 Information
ii.N�e ofMs4: City of Saratoga Springs
12.MS4 SPDES Permit Identification Number:NYR20A 2�6
13. ContactPerson: AI FIICk
i4. sr�eet aaa�ess: City Hall, 474 Broadway
is. c��yisr�teiz�p: Saratoga Springs, NY 12866
16.Tele hone Ivumber: 518-587-3550
(NYS DEC-MS4 SWPPP Acceptance Form-January 2010)
Page 1 of 2
MS4 SWPPP Acceptance Form- continued
V.Cerfif'ication Statement-MS4 Off'icial(principal executive off'icer or ranldng elected off'icial)or Duly
Authorized Representative
I hereby certify that the final Stormwater Pollution Prevention Plan(SWPPP)for the construction project
idenrified in quesrion 5 has been reviewed and meets the substanrive requirements in the SPDES General Permit
For Stormwater Discharges from Municipal Separate Storm Sewer Systems(MS4s).
Note: The MS4,through the acceptance of the SWPPP,assumes no responsibility for the accuracy and adequacy
of the design included in the SWPPP. In addition,review and acceptance of the SWPPP by the MS4 does not
relieve the owner/operator or their SWPPP preparer of responsibility or liability for errors or omissions in the
plan.
Printed Name:
Title/Position:
Signature:
Date:
VI.Addifional Information
Page 2 of 2
Appendix B
Stormwater Management Report
Hydro CAD
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Lzndsrape Architecture�.Yngineering P.C.
Stormwater Management Report
for:
Kaydeross Avenue East
Conservation Subdivision
227 Kaydeross Avenue East
Saratoga Springs, NY 12866
Owner/Operator(s):
227 Kaydeross Ave. Inc.
43 Edgewater Drive
Dunedin, FL 34698
SWM Report Contact(s):
The LA Group, PC
40 Long Alley
Saratoga Springs, NY 12866
1-518-587-8100
Project No. 201258
Preparation Date:
4/8/2020
Stormwater Management Report Kaydeross Avenue East
Conservation Subdivision
2016109
Table of Contents
Contents
1.0 INTRODUCTION..............................................................................................................................................4
2.0 PROJECT DESCRIPTION..............................................................................................................................4
2.1 SITELOCATION................................................................................................................................................4
2.2 PROJECT DESCRIPTION.....................................................................................................................................4
2.3 SOIL CONDITIONS/SOIL TESTING.....................................................................................................................4
2.4 CURVE NUMBERS AND RAINFALL DATA..........................................................................................................5
3.0 EXISTING CONDITIONS...............................................................................................................................5
4.0 PROPOSED CONDITIONS.............................................................................................................................6
5.0 NYSDEC DESIGN CRITERIA........................................................................................................................6
5.1 SITE PLANNING TO PRESERVE NATURAL FEATURES........................................................................................7
5.2 WATER QUALITY VOLUME(WQV�..................................................................................................................8
5.3 RUNOFF REDUCTION VOLUME(RRV�..............................................................................................................9
5.4 CHANNEL PROTECTION VOLUME(CPV� ........................................................................................................10
5.5 OVERBANK FLOOD(QP�AND EXTREME FLOOD(QF�ATTENUATION.............................................................10
6.0 PROPOSED STORMWATER FACILITIES ...............................................................................................11
6.1 PRETREATMENT.............................................................................................................................................11
6.2 TREATMENT...................................................................................................................................................11
7.0 POST-CONSTRUCTION MAINTENANCE REQUIREMENTS.............................................................11
8.0 REFERENCES.................................................................................................................................................12
Stormwater Management Report Kaydeross Avenue East
Conservation Subdivision
2016109
Attachment
A SoilInvestigations
Soil Survey
Natural Resource Map
B Existing Conditions Watershed Map and HydroCAD Calculations
C Proposed Conditions Watershed Map and HydroCAD Calculations
D Storm Data
Stormwater Management Report Kaydeross Avenue East
Conservation Subdivision
2016109
1.0 INTRODUCTION
The following is a Stormwater Management Report (SWM Report) developed for the Operator,
227 Kaydeross Ave. Inc., for the Kaydeross Avenue East Conservation Subdivision Project,
herein referred to as the "Project." It is prepared in accordance with the New York State
Department of Environmental Conservation (NYSDEC) Stormwater Management Design
Manual (SWMDM), dated January, 2015.
The Project has been designed in accordance with Chapter 4 of the NYSDEC SWMDM and
NYSDEC's General Permit GP-0-20-001 for construction activities. All new impervious area
was designed in accordance with Chapter 4 of the SWMDM The Project Site represents the
area that will be disturbed as a result of the Project. Stormwater calculations were performed
utilizing widely accepted engineering methodologies, including TR-55, and the stormwater
modeling computer program HydroCAD (version 10.00) produced by HydroCAD Software
Solutions, LLC.
2.0 PROJECT DESCRIPTION
21 Site Location
The Project is located on Kaydeross Avenue East, in the City of Saratoga Springs, Saratoga
County, NY 12866. Access to the site is off of Kaydeross Avenue East, approximately 1,500
feet south of the intersection of Kaydeross Avenue and Crescent Avenue.
2.2 Project Description
The intent of the Project is to create a conservation subdivision consisting of 15 lots. There is one
lot that will be part of the subdivision that has an existing home that will remain. A new road to
access the subdivision lots is planned, as well as driveways, a new water main and water
services, septic systems, landscaping and stormwater management. The site developments
described herein will results in a net increase in impervious area within the Project's watershed.
The project is considered new development and was designed in accordance with Chapter 4 of
the SWMDM. The Project Site represents the area that will be disturbed as a result of the Project.
2.3 Soil Conditions/Soil Testing
According to the Natural Resources Conservation Service (NRCS) Soil Survey, primarily
comprised of Bernardston silt loam, with some Burdett silt loam, Claverack loamy fine sand,
illion silt loam and Pittstown silt loam.
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The hydrological soil group (HSG) classification for these soil types is C/D. Based on soil testing
completed throughout the site which observed the presence of shallow depth to seasonal high
groundwater and slow percolation rates Type D soils were used in storm modeling.
2.4 Curve Numbers and Rainfall Data
The surface cover for the project area is primarily grassed areas and forest. The curve numbers
utilized in the modeling were assigned based on cover type and HSG soil classification.
The design storms used for the pre-development versus post-development comparison were the
1, 10, and 100-year, 24-hour duration, SCS Type II events. The rainfall amounts for these
storms are 2.15, 3.75, and 6.20 inches, respectively.
3.0 EXISTING CONDITIONS
The Project area's existing condition, for which this stormwater management plan is based,
consists of an existing home, forest, grass areas, and wetland areas. Under the watershed's
Existing Condition, the watershed is divided into three subcatchments, which flow to three
analysis points. Runoff from the northwest portion of the project area is conveyed northwest
towards an existing low area off site (Analysis Point 1). The middle section of the site drains to
an onsite wetland which discharges to the northeast (Analysis Point 2). The remaining portion of
the site to the southeast drains to existing roadside ditches (Analysis Point 3). There are existing
NYSDEC wetlands to the southeast of the project site. All development has been located greater
than 100' from these wetlands.
Table 3-1 below provides a summary of the existing conditions peak discharge rates for the
Project's watershed.
Table 3-1
Existin Conditions Peak Dischar e Rates
Analysis Point AP-1 AP-2 AP-3
Design Storm (cfs) (cfs) (cfs)
10-Year 6.21 3 9.5 8 10.09
100-Year 14.10 90.77 22.79
Refer to Attachment B for more information on the existing conditions watershed modeling.
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4.0 PROPOSED CONDITIONS
Under the watershed's Proposed Condition, stormwater will continue to discharge to the same
three analysis points described in the existing conditions. To meet NYSDEC requirements (see
Section 5.0 NYSDEC Design Criteria of this report) two stormwater ponds have been designed
to manage and treat stormwater runoff, as well as two wet swales, and rooftop disconnection.
Table 4-1
Existin Conditions vs. Pro osed Conditions Peak Dischar e Rates
Analysis AP-1 AP-2 AP-3
Point
Condition Existin Pro osed Existin Pro osed Existin Pro osed
Design Storm (cfs) (cfs) (cfs) (cfs) (cfs) (cfs)
10-Year 621 5.75 39.58 39.16 10.09 9.76
100-Year 14.10 12.78 90.77 90.54 22.79 22.14
Refer to Attachment C for more information on the proposed conditions watershed modeling.
5.0 NYSDEC DESIGN CRITERIA
The NYSDEC SWMDM, dated January 2015 has been utilized to develop the stormwater
management plan. The SWMDM includes a five-step process that involves site planning and
stormwater management practice selection. The five steps include;
• Site planning to preserve natural features and reduce impervious cover,
• Calculation of the Water Quality Volume (WQv) for the Site,
• Incorporation of green infrastructure techniques and standard SMPs with Runoff
Reduction Volume (RRv) capacity,
• Use of standard SMPs where applicable, to treat the portion of WQv not addressed by
green infrastructure techniques and standard SMPs with RRv capacity, and
• Design of volume and peak rate control (where required)
The approach of the stormwater management plan was to address the stormwater requirements
separately. The five steps were reduced to Site Planning to Preserve Natural Features, Water
Quality Volume, Runoff Reduction Volume, Channel Protection Volume, and Overbank Flood
and Extreme Storm Attenuation, as discussed in the following sections.
Attachment D of this report contains detailed calculations for determining and summarizing the
required and provided volumes for Water Quality and Runoff Reduction. In general, the
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required design criteria (WQv and RRv) were calculated for all areas where site disturbance or
green infrastructure techniques are proposed.
51 Site Planning to Preserve Natural Features
Within Chapter 3 of the SWMDM, Table 3.1 Green Infrastructure Planning General Categories
and Specific Practices includes a list of planning practices utilized in the planning and design of
a project. There are two categories, Preservation of Natural Resources and Reduction of
Impervious Cover.
Preservation of Natural Resources includes:
• Preservation of Undisturbed Areas
• Preservation of Buffers
• Reduction of Clearing and Grading
• Locating Development in Less Sensitive Areas
• Open Space Design
• Soil Restoration
Reduction of Impervious Cover includes:
• Roadway Reduction
• Sidewalk Reduction
• Driveway Reduction
• Cul-de-sac Reduction
• Building Footprint Reduction
• Parking Reduction
A Natural Resource Map for Green Infrastructure Planning has been developed which indicates
natural resource areas and critical environmental areas to be protected (where feasible). As
required in Section 3.6 of the SWMDM, the map includes (where applicable):
• Jurisdictional Wetlands
o An ACOE wetland will be affected by the project (0.06 ac of disturbance). The
work is covered under ACOE Nationwide Permit 14.
• Waterways
o No waterways are impacted by the Project.
• Wetland Adjacent Area
o Wetland areas adj acent to the Proj ect will not be impacted.
• Floodplains
o The developed portion of the project is not located within the 100-year floodplain.
• Forest, vegetative cover
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o The Project has been designed to minimize effects on forested areas.
• Topography/Steep slopes
o The Project Site does include areas with steep slopes, however, the development
will not impact these slopes.
• Existing soils, including hydrologic soil groups and soil erodibility
o See Section 2.3 of this Report.
• Drainage Patterns
o See Section 3.0 of this Report.
• Bedrock/Significant geological features
o See Section 2.3 of this Report.
The Natural Resource Plan indicates the areas to be avoided and depicts the area most suitable
for development.
5.2 Water Quality Volume (WQv)
The Water Quality Volume (WQv) requirement is designed to improve water quality sizing to
capture and treat 90% of the average annual stormwater runoff volumes. The WQv is directly
related to the amount of impervious cover created at a site. The following equation is used to
determine the water quality storage volume.
WQv = P Rv A
12
Where:
WQv = Water quality volume (acre/feet)
P = 90%Rainfall Event(1.15" for Saratoga Springs)
Rv = 0.05 + 0.009(I) where I is percent impervious cover
A = Site area in acres
The required WQv will be treated via two pocket ponds (SMP-1, SMP-2), rooftop disconnection
(SMP-la, SMP-2a, and SMP-3), and two wet swales (SMP-4, and SMP-5) designed in
accordance with the SWMDM.
The rooftop disconnection provided at SMP-la is within the same watershed as the pocket pond
SMP-1. The calculations take into consideration that hydrologically this runoff goes to SMP-1,
however, the WQv for SMP-1 was calculated by deducting the impervious area from the roofs
within the contributing watershed (SMP-la). The same method was used for SMP-2 / SMP-2a in
order to not double count the treatment of the rooftop runoff within the pond WQv calculations.
Refer to Table 5-1 for a summary of the required versus provided water quality volumes for the
Proj ect.
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Table 5-1
Water Qualit Volume Qv Summar
SMP Type Re uired Provided
(ao-ft) (ao-ft)
SMP-1 Pocket Pond 0.093 0.093
SMP-2 Pocket Pond 0.013 0.013
SMP-la Roof Top Disconnection 0.083 0.083
SMP-2a Roof Top Disconnection 0.009 0.009
SMP-3 Roof Top Disconnection 0.019 0.019
SMP-4 Wet Swale 0.009 0.009
SMP-5 Wet Swale 0.006 0.006
TOTAL 0.232 0.232
Refer to Attachment D for detailed WQv calculations.
5.3 Runoff Reduction Volume (RRv)
Section 4.3 of the SWMDM states, "Runoff reduction shall be achieved by infiltration,
groundwater recharge, reuse, recycle, evaporation/evapotranspiration of 100 percent of the post-
development water quality volumes to replicate pre-development hydrology by maintaining pre-
construction infiltration, peak runoff flow, discharge volume, as well as minimizing concentrated
flow by using runoff control techniques to provide treatment in a distributed manner before
runoff reaches the collection system."
The stormwater management plan must demonstrate that all green infrastructure planning and
design options were evaluated to meet the runoff reduction requirement. The following is a list
of green infrastructure practices that were evaluated during design and specific limitations of the
site:
• 5.3.1 Conservation of Natural Areas
o A conservation area is proposed as part of the project.
• 5.3.2 Sheetflow to Riparian Buffers/Filter Strips
o No filter strips are proposed as part of this project due to lack of sufficient area
on-site.
• 5.3.3 Vegetated Open Swales
o Vegetated open swales are not proposed as part of the project.
• 5.3.4 Tree Planting/Tree Box
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o Tree plantings are not proposed as a part of the proj ect.
• 5.3.5 Disconnection of Rooftop Runoff
o Rooftop disconnection is utilized as part of the project. 19,500 sf of rooftop area
will be disconnected.
• 5.3.6 Stream Daylighting
o All subsurface storm sewer piping will be daylighted as soon as possible.
• 5.3.7 Rain Garden
o Rain gardens are not proposed as runoff from rooftops are utilizing rooftop
disconnection instead.
• 5.3.8 Green Roof
o A green roof is not financially feasible for this proj ect.
• 5.3.9 Stormwater Planters
o Stormwater planters are not proposed as runoff from rooftops are utilizing rooftop
disconnection instead.
• 5.3.10 Rain Tanks/Cisterns
o Rain tanks/cisterns do not have any tangible functionality on this site as there is
little potential for reuse.
• 5.3.11 Porous Pavement
o Porous pavement is not used as a part of the Project due to shallow depth to
groundwater.
The RRv requirement on site is met through via rooftop disconnection, which will provide 0.041
ac-ft of RRv. This meets the minimum required RRv of 0.037 ac-ft.
Refer to Attachment D for detailed RRv calculations.
5.4 Channel Protection Volume (CPv)
Channel Protection Volume (CPv) is achieved by a volume reduction through green
infrastructure practices, i.e. rooftop diconnection. The pre-development CPv was determined to
be 36,948 cf, and the post-development CPv was determined to be 38,598 c£ The increase in
CPv is therefore 1,606 cf, which will be managed onsite via volume reduction from the rooftop
disconnection. The volume reduction from green infrastructure is 1,786 cf, which is greater than
the required CPv of 1,606 cf.
5.5 Overbank Flood (Qp) and Extreme Flood (Qf� Attenuation
The primary purpose of the Overbank Flood (Qp) control sizing criterion is to prevent an
increase in the frequency and magnitude of out-of-bank flooding generated by urban
development. It requires storage and attenuation of the 10-year, 24-hour storm to ensure post-
development peak discharge rates do not exceed the pre-development condition.
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Conservation Subdivision
2016109
The intent of the Extreme Flood (Qf) criteria is to (a) prevent the increased risk of flood damage
from large storm events, (b) maintain the boundaries of the pre-development 100-year
floodplain, and (c)protect the physical integrity of stormwater management practices. It requires
storage and attenuation of the 100-year, 24-hour storm to ensure post-development peak
discharge rates do not exceed the pre-development condition.
During the 10-year and 100-year 24-hour storm the post-development peak discharge rates do
not exceed the pre-development rates, as previously discussed.
6.0 PROPOSED STORMtiVATER FACILITIES
The Project is proposing two new pocket ponds to address the stormwater requirements. To
meet RRv requirements, rooftop disconnection is proposed for the 14 new residences on site. The
stormwater facilities have been indicated on the plans and HydroCAD reports as SMP-1 and
SMP-2. A summary of the SNIP is provided below.
• SMP-1 is a pocket pond located on the south side of the new road, near the intersection of
the new road and Kaydeross Avenue East.
• SMP-2 is a pocket pond located in the southwest corner of the site.
• SMP-4 is a wet swale on the north side of the new drive.
• SMP-5 is a wet swale on the south side of the new drive.
The Stormwater Facilities have been designed to provide the necessary pretreatment, treatment,
and peak rate attenuation for stormwater runoff, for the project, as required by NYSDEC.
61 Pretreatment
Pretreatment for the pocket ponds is provided via a forebay at each pond. Pretreatment for the
wet swales is provided via detention within the swale at check dams.
6.2 Treatment
Treatment is provided at the pocket ponds through a permanent pool. Treatment at the wet
swales is provided by temporarily storing the WQv. Stormwater management devices are
designed in accordance with the SWMDM.
7.0 POST-CONSTRUCTION MAINTENANCE REQUIREMENTS
227 Kaydeross Ave. Inc. will be responsible for the continuous upkeep and maintenance of all
on-site stormwater management facilities. The on-site stormwater management facilities include
�
The LA GROUP
L .s �eA I e� _rc+xl � ieeiinyl'.C. 11
Stormwater Management Report Kaydeross Avenue East
Conservation Subdivision
2016109
SMP-1, SMP-2, SMP-4, SMP-5. Maintenance includes, but is not limited to, removal of
sediment from SMPs, cleaning conveyance channels of obstructions, and repairing any other
detriments in the design that is resulting in the facilities to not function as intended in the design.
8.0 REFERENCES
1. Urban Hydrology for Small Watersheds. Published by the U.S. Soil Conservation
Service, Washington, D.C., June 1986.
2. HydroCAD 10.00 Computer Program, by HydroCAD Software Solutions, LLC.
3. NYSDEC Stormwater Management Design Manual. Published by the New York State
Department of Environmental Conservation, Updated January 2015.
G:�Proj-2016\2016109 Scott Kayderross_Ave\2016109Enviro\02SWPPP�2016109_SWM.doc
�
The LA GROUP
L .s �eA I e� _rc+xl � ieeiinyl'.C. 12
Attachment A
Soil Investigations
Soil Survey
Natural Resource Map
USDA United States A product ofthe National Custom Soil Resource
= Department of Cooperative Soil Survey,
Agriculture a joint effort of the United Report for
n I ^�� States Department of
I V I� Agriculture and other S a rato g a
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Natural agencies including the
Resources Agricultural Experiment �O u ���' ���
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January 23, 2020
P reface
Soil surveys contain information that affects land use planning in survey areas.
They highlight soil limitations that affect various land uses and provide information
about the properties of the soils in the survey areas. Soil surveys are designed for
many different users, including farmers, ranchers, foresters, agronomists, urban
planners, community officials, engineers, developers, builders, and home buyers.
Also, conservationists, teachers, students, and specialists in recreation, waste
disposal, and pollution control can use the surveys to help them understand,
protect, or enhance the environment.
Various land use regulations of Federal, State, and local governments may impose
special restrictions on land use or land treatment. Soil surveys identify soil
properties that are used in making various land use or land treatment decisions.
The information is intended to help the land users identify and reduce the effects of
soil limitations on various land uses. The landowner or user is responsible for
identifying and complying with existing laws and regulations.
Although soil survey information can be used for general farm, local, and wider area
planning, onsite investigation is needed to supplement this information in some
cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/
portal/nres/main/soils/health/) and certain conservation and engineering
applications. For more detailed information, contact your local USDA Service Center
(https://offices.sc.egov.usda.gov/locator/app?agency=nres) or your NRCS State Soil
Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/?
cid=nres142p2_053951).
Great differences in soil properties can occur within short distances. Some soils are
seasonally wet or subject to flooding. Some are too unstable to be used as a
foundation for buildings or roads. Clayey or wet soils are poorly suited to use as
septic tank absorption fields. A high water table makes a soil poorly suited to
basements or underground installations.
The National Cooperative Soil Survey is a joint effort of the United States
Department of Agriculture and other Federal agencies, State agencies including the
Agricultural Experiment Stations, and local agencies. The Natural Resources
Conservation Service (NRCS) has leadership for the Federal part of the National
Cooperative Soil Survey.
Information about soils is updated periodically. Updated information is available
through the NRCS Web Soil Survey, the site for official soil survey information.
The U.S. Department of Agriculture (USDA) prohibits discrimination in all its
programs and activities on the basis of race, color, national origin, age, disability,
and where applicable, sex, marital status, familial status, parental status, religion,
sexual orientation, genetic information, political beliefs, reprisal, or because all or a
part of an individual's income is derived from any public assistance program. (Not
all prohibited bases apply to all programs.) Persons with disabilities who require
2
alternative means for communication of program information (Braille, large print,
audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice
and TDD). To file a complaint of discrimination, write to USDA, Director, Office of
Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or
call (800) 795-3272 (voice) or(202) 720-6382 (TDD). USDA is an equal opportunity
provider and employer.
3
Contents
Preface....................................................................................................................2
How Soil Surveys Are Made..................................................................................5
SoilMap.................................................................................................................. 8
SoilMap................................................................................................................9
Legend................................................................................................................10
MapUnit Legend................................................................................................ 11
MapUnit Descriptions.........................................................................................11
Saratoga County, New York............................................................................13
BmB—Bernardston silt loam, 3 to 8 percent slopes....................................13
BmC—Bernardston silt loam, 8 to 15 percent slopes..................................14
BmD—Bernardston silt loam, 15 to 25 percent slopes................................15
BnB—Bernardston-Manlius-Nassau complex, undulating.......................... 16
BxB—Burdett silt loam, 3 to 8 percent slopes.............................................18
CIB—Claverack loamy fine sand, 3 to 8 percent slopes............................. 20
In—Ilion silt loam.........................................................................................21
PwB—Pittstown silt loam, 3 to 8 percent slopes.........................................22
References............................................................................................................24
4
How Soil Surveys Are Made
Soil surveys are made to provide information about the soils and miscellaneous
areas in a specific area. They include a description of the soils and miscellaneous
areas and their location on the landscape and tables that show soil properties and
limitations affecting various uses. Soil scientists observed the steepness, length,
and shape of the slopes; the general pattern of drainage; the kinds of crops and
native plants; and the kinds of bedrock. They observed and described many soil
profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The
profile extends from the surface down into the unconsolidated material in which the
soil formed or from the surface down to bedrock. The unconsolidated material is
devoid of roots and other living organisms and has not been changed by other
biological activity.
Currently, soils are mapped according to the boundaries of major land resource
areas (MLRAs). MLRAs are geographically associated land resource units that
share common characteristics related to physiography, geology, climate, water
resources, soils, biological resources, and land uses (USDA, 2006). Soil survey
areas typically consist of parts of one or more MLRA.
The soils and miscellaneous areas in a survey area occur in an orderly pattern that
is related to the geology, landforms, relief, climate, and natural vegetation of the
area. Each kind of soil and miscellaneous area is associated with a particular kind
of landform or with a segment of the landform. By observing the soils and
miscellaneous areas in the survey area and relating their position to specific
segments of the landform, a soil scientist develops a concept, or model, of how they
were formed. Thus, during mapping, this model enables the soil scientist to predict
with a considerable degree of accuracy the kind of soil or miscellaneous area at a
specific location on the landscape.
Commonly, individual soils on the landscape merge into one another as their
characteristics gradually change. To construct an accurate soil map, however, soil
scientists must determine the boundaries between the soils. They can observe only
a limited number of soil profiles. Nevertheless, these observations, supplemented
by an understanding of the soil-vegetation-landscape relationship, are sufficient to
verify predictions of the kinds of soil in an area and to determine the boundaries.
Soil scientists recorded the characteristics of the soil profiles that they studied. They
noted soil color, texture, size and shape of soil aggregates, kind and amount of rock
fragments, distribution of plant roots, reaction, and other features that enable them
to identify soils. After describing the soils in the survey area and determining their
properties, the soil scientists assigned the soils to taxonomic classes (units).
Taxonomic classes are concepts. Each taxonomic class has a set of soil
characteristics with precisely defined limits. The classes are used as a basis for
comparison to classify soils systematically. Soil taxonomy, the system of taxonomic
classification used in the United States, is based mainly on the kind and character
of soil properties and the arrangement of horizons within the profile. After the soil
5
Custom Soil Resource Report
scientists classified and named the soils in the survey area, they compared the
individual soils with similar soils in the same taxonomic class in other areas so that
they could confirm data and assemble additional data based on experience and
research.
The objective of soil mapping is not to delineate pure map unit components; the
objective is to separate the landscape into landforms or landform segments that
have similar use and management requirements. Each map unit is defined by a
unique combination of soil components and/or miscellaneous areas in predictable
proportions. Some components may be highly contrasting to the other components
of the map unit. The presence of minor components in a map unit in no way
diminishes the usefulness or accuracy of the data. The delineation of such
landforms and landform segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, onsite
investigation is needed to define and locate the soils and miscellaneous areas.
Soil scientists make many field observations in the process of producing a soil map.
The frequency of observation is dependent upon several factors, including scale of
mapping, intensity of mapping, design of map units, complexity of the landscape,
and experience of the soil scientist. Observations are made to test and refine the
soil-landscape model and predictions and to verify the classification of the soils at
specific locations. Once the soil-landscape model is refined, a significantly smaller
number of ineasurements of individual soil properties are made and recorded.
These measurements may include field measurements, such as those for color,
depth to bedrock, and texture, and laboratory measurements, such as those for
content of sand, silt, clay, salt, and other components. Properties of each soil
typically vary from one point to another across the landscape.
Observations for map unit components are aggregated to develop ranges of
characteristics forthe components. The aggregated values are presented. Direct
measurements do not exist for every property presented for every map unit
component. Values for some properties are estimated from combinations of other
properties.
While a soil survey is in progress, samples of some of the soils in the area generally
are collected for laboratory analyses and for engineering tests. Soil scientists
interpret the data from these analyses and tests as well as the field-observed
characteristics and the soil properties to determine the expected behavior of the
soils under different uses. Interpretations for all of the soils are field tested through
observation of the soils in different uses and under different levels of management.
Some interpretations are modified to fit local conditions, and some new
interpretations are developed to meet local needs. Data are assembled from other
sources, such as research information, production records, and field experience of
specialists. For example, data on crop yields under defined levels of management
are assembled from farm records and from field or plot experiments on the same
kinds of soil.
Predictions about soil behavior are based not only on soil properties but also on
such variables as climate and biological activity. Soil conditions are predictable over
long periods of time, but they are not predictable from year to year. For example,
soil scientists can predict with a fairly high degree of accuracy that a given soil will
have a high water table within certain depths in most years, but they cannot predict
that a high water table will always be at a specific level in the soil on a specific date.
After soil scientists located and identified the significant natural bodies of soil in the
survey area, they drew the boundaries of these bodies on aerial photographs and
6
Custom Soil Resource Report
identified each as a specific map unit. Aerial photographs show trees, buildings,
fields, roads, and rivers, all of which help in locating boundaries accurately.
7
Soil Map
The soil map section includes the soil map for the defined area of interest, a list of
soil map units on the map and extent of each map unit, and cartographic symbols
displayed on the map. Also presented are various metadata about data used to
produce the map, and a description of each soil map unit.
8
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Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
BmB Bernardston silt loam,3 to 8 6.3 15.4°k
percent slopes
BmC Bernardston silt loam,8 to 15 16.9 41.3°k
percent slopes
BmD Bernardston silt loam, 15 to 25 4.5 11.1°k
percent slopes
BnB Bernardston-Manlius-Nassau 3.7 9.0°k
complex, undulating
BxB Burdett silt loam,3 to 8 percent 2.1 5.1°k
slopes
CIB Claverack loamy fine sand,3 to 5.9 14.3°k
8 percent slopes
In Ilion silt loam 0.8 1.9°k
PwB Pittstown silt loam,3 to 8 0.7 1.8°k
percent slopes
Totals for Area of Interest 40.9 100.0%
Map Unit Descriptions
The map units delineated on the detailed soil maps in a soil survey represent the
soils or miscellaneous areas in the survey area. The map unit descriptions, along
with the maps, can be used to determine the composition and properties of a unit.
A map unit delineation on a soil map represents an area dominated by one or more
major kinds of soil or miscellaneous areas. A map unit is identified and named
according to the taxonomic classification of the dominant soils. Wthin a taxonomic
class there are precisely defined limits for the properties of the soils. On the
landscape, however, the soils are natural phenomena, and they have the
characteristic variability of all natural phenomena. Thus, the range of some
observed properties may extend beyond the limits defined for a taxonomic class.
Areas of soils of a single taxonomic class rarely, if ever, can be mapped without
including areas of other taxonomic classes. Consequently, every map unit is made
up of the soils or miscellaneous areas for which it is named and some minor
components that belong to taxonomic classes other than those of the major soils.
Most minor soils have properties similar to those of the dominant soil or soils in the
map unit, and thus they do not affect use and management. These are called
noncontrasting, or similar, components. They may or may not be mentioned in a
particular map unit description. Other minor components, however, have properties
and behavioral characteristics divergent enough to affect use or to require different
management. These are called contrasting, or dissimilar, components. They
generally are in small areas and could not be mapped separately because of the
scale used. Some small areas of strongly contrasting soils or miscellaneous areas
are identified by a special symbol on the maps. If included in the database for a
11
Custom Soil Resource Report
given area, the contrasting minor components are identified in the map unit
descriptions along with some characteristics of each. A few areas of minor
components may not have been observed, and consequently they are not
mentioned in the descriptions, especially where the pattern was so complex that it
was impractical to make enough observations to identify all the soils and
miscellaneous areas on the landscape.
The presence of minor components in a map unit in no way diminishes the
usefulness or accuracy of the data. The objective of mapping is not to delineate
pure taxonomic classes but rather to separate the landscape into landforms or
landform segments that have similar use and management requirements. The
delineation of such segments on the map provides sufficient information for the
development of resource plans. If intensive use of small areas is planned, however,
onsite investigation is needed to define and locate the soils and miscellaneous
areas.
An identifying symbol precedes the map unit name in the map unit descriptions.
Each description includes general facts about the unit and gives important soil
properties and qualities.
Soils that have profiles that are almost alike make up a soil series. Except for
differences in texture of the surface layer, all the soils of a series have major
horizons that are similar in composition, thickness, and arrangement.
Soils of one series can differ in texture of the surface layer, slope, stoniness,
salinity, degree of erosion, and other characteristics that affect their use. On the
basis of such differences, a soil series is divided into soil phases. Most of the areas
shown on the detailed soil maps are phases of soil series. The name of a soil phase
commonly indicates a feature that affects use or management. For example, Alpha
silt loam, 0 to 2 percent slopes, is a phase of the Alpha series.
Some map units are made up of two or more major soils or miscellaneous areas.
These map units are complexes, associations, or undifferentiated groups.
A complex consists of two or more soils or miscellaneous areas in such an intricate
pattern or in such small areas that they cannot be shown separately on the maps.
The pattern and proportion of the soils or miscellaneous areas are somewhat similar
in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example.
An association is made up of two or more geographically associated soils or
miscellaneous areas that are shown as one unit on the maps. Because of present
or anticipated uses of the map units in the survey area, it was not considered
practical or necessary to map the soils or miscellaneous areas separately. The
pattern and relative proportion of the soils or miscellaneous areas are somewhat
similar. Alpha-Beta association, 0 to 2 percent slopes, is an example.
An undifferentiated group is made up of two or more soils or miscellaneous areas
that could be mapped individually but are mapped as one unit because similar
interpretations can be made for use and management. The pattern and proportion
of the soils or miscellaneous areas in a mapped area are not uniform. An area can
be made up of only one of the major soils or miscellaneous areas, or it can be made
up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example.
Some surveys include miscellaneous areas. Such areas have little or no soil
material and support little or no vegetation. Rock outcrop is an example.
12
Custom Soil Resource Report
Saratoga County, New York
BmB—Bernardston silt loam, 3 to 8 percent slopes
Map Unit Setting
National map unit symbol: 9w8y
Elevation: 0 to 1,000 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Bernardston and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Bernardston
Setting
Landform: Till plains, drumlinoid ridges, hills
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Crest
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Loamy, acid, dense till derived mainly from phyllite, shale, slate,
and schist
Typical profile
H1 -0 to 10 inches: silt loam
H2- 10 to 26 inches: channery loam
H3-26 to 72 inches: channery silt loam
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 20 to 30 inches to densic material
Natural drainage class: Well drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 18 to 24 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Low (about 4.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C/D
Hydric soil rating: No
Minor Components
Pittstown
Percent of map unit: 10 percent
Hydric soil rating: No
13
Custom Soil Resource Report
Manlius
Percent of map unit: 5 percent
Hydric soil rating: No
BmC—Bernardston silt loam, 8 to 15 percent slopes
Map Unit Setting
National map unit symbol: 9w8z
Elevation: 0 to 1,000 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Bernardston and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Bernardston
Setting
Landform: Drumlinoid ridges, hills, till plains
Landform position (two-dimensional): Shoulder
Landform position (three-dimensional): Crest
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Loamy, acid, dense till derived mainly from phyllite, shale, slate,
and schist
Typical profile
H1 -0 to 10 inches: silt loam
H2- 10 to 26 inches: channery loam
H3-26 to 72 inches: channery silt loam
Properties and qualities
Slope: 8 to 15 percent
Depth to restrictive feature: 20 to 30 inches to densic material
Natural drainage class: Well drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 18 to 24 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Low (about 4.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3e
Hydrologic Soil Group: C/D
14
Custom Soil Resource Report
Hydric soil rating: No
Minor Components
Pittstown
Percent of map unit: 10 percent
Hydric soil rating: No
Manlius
Percent of map unit: 5 percent
Hydric soil rating: No
BmD—Bernardston silt loam, 15 to 25 percent slopes
Map Unit Setting
National map unit symbol: 9w90
Elevation: 0 to 1,000 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: Not prime farmland
Map Unit Composition
Bernardston and similar soils: 85 percent
Minor components: 15 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Bernardston
Setting
Landform: Drumlinoid ridges, hills, till plains
Landform position (two-dimensional): Backslope
Landform position (three-dimensional): Side slope
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Loamy, acid, dense till derived mainly from phyllite, shale, slate,
and schist
Typical profile
H1 -0 to 10 inches: silt loam
H2- 10 to 26 inches: channery loam
H3-26 to 72 inches: channery silt loam
Properties and qualities
Slope: 15 to 25 percent
Depth to restrictive feature: 20 to 30 inches to densic material
Natural drainage class: Well drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 18 to 24 inches
Frequency of flooding: None
15
Custom Soil Resource Report
Frequency of ponding: None
Available water storage in profile: Low (about 4.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4e
Hydrologic Soil Group: C/D
Hydric soil rating: No
Minor Components
Pittstown
Percent of map unit: 10 percent
Hydric soil rating: No
Manlius
Percent of map unit: 5 percent
Hydric soil rating: No
BnB—Bernardston-Manlius-Nassau complex, undulating
Map Unit Setting
National map unit symbol: 9w91
Elevation: 0 to 1,800 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Bernardston and similar soils: 50 percent
Manlius and similar soils: 30 percent
Nassau and similar soils: 15 percent
Minor components: 5 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Bernardston
Setting
Landform: Drumlinoid ridges, hills, till plains
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Crest
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Loamy, acid, dense till derived mainly from phyllite, shale, slate,
and schist
Typical profile
H1 -0 to 10 inches: silt loam
H2- 10 to 26 inches: channery loam
H3-26 to 72 inches: channery silt loam
16
Custom Soil Resource Report
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 20 to 30 inches to densic material
Natural drainage class: Well drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 18 to 24 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Low (about 4.6 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C/D
Hydric soil rating: No
Description of Manlius
Setting
Landform: Benches, ridges, till plains
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Crest
Down-slope shape: Convex
Across-slope shape: Convex
Parent material: Loamy till derived mainly from local acid shale bedrock
Typical profile
H1 -0 to 5 inches: channery silt loam
H2-5 to 21 inches: very channery silt loam
H3-21 to 24 inches: extremely channery silt loam
H4-24 to 34 inches: unweathered bedrock
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 20 to 40 inches to lithic bedrock
Natural drainage class: Well drained
Capacity of the most limiting layer to transmit water(Ksat): Very low (0.00 to 0.00
in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Very low (about 2.5 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C
Hydric soil rating: No
Description of Nassau
Setting
Landform: Benches, ridges, till plains
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Crest
Down-slope shape: Convex
17
Custom Soil Resource Report
Across-slope shape: Convex
Parent material: Channery loamy till derived mainly from local slate or shale
Typical profile
H1 -0 to 3 inches: channery silt loam
H2-3 to 18 inches: very channery silt loam
H3- 18 to 28 inches: unweathered bedrock
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 10 to 20 inches to lithic bedrock
Natural drainage class: Somewhat excessively drained
Capacity of the most limiting layer to transmit water(Ksat): Very low to moderately
high (0.00 to 0.20 in/hr)
Depth to water table: More than 80 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Very low (about 1.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3s
Hydrologic Soil Group: D
Hydric soil rating: No
Minor Components
Pittstown
Percent of map unit: 4 percent
Hydric soil rating: No
Unnamed soils
Percent of map unit: 1 percent
BxB—Burdett silt loam, 3 to 8 percent slopes
Map Unit Setting
National map unit symbol: 9w9b
Elevation: 400 to 1,600 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: Prime farmland if drained
Map Unit Composition
Burdett and similar soils: 75 percent
Minor components: 25 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
18
Custom Soil Resource Report
Description of Burdett
Setting
Landform: Hills, till plains, drumlinoid ridges
Landform position (two-dimensional): Footslope, summit
Landform position (three-dimensional): Base slope
Down-slope shape: Concave
Across-slope shape: Linear
Parent material: A thin silt mantle overlying till that is strongly influenced by shale
Typical profile
H1 -0 to 7 inches: silt loam
H2- 7 to 11 inches: very fine sandy loam
H3- 11 to 33 inches: channery clay loam
H4-33 to 72 inches: channery silt loam
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Somewhat poorly drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.20 in/hr)
Depth to water table: About 6 to 18 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Available water storage in profile: Moderate (about 7.3 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 3w
Hydrologic Soil Group: C/D
Hydric soil rating: No
Minor Components
Unnamed soils
Percent of map unit: 10 percent
Manlius
Percent of map unit: 5 percent
Hydric soil rating: No
Nunda
Percent of map unit: 5 percent
Hydric soil rating: No
Ilion
Percent of map unit: 5 percent
Landform: Depressions
Hydric soil rating: Yes
19
Custom Soil Resource Report
CIB—Claverack loamy fine sand, 3 to 8 percent slopes
Map Unit Setting
National map unit symbol: 9w9r
Elevation: 600 to 1,800 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Claverack and similar soils: 70 percent
Minor components: 30 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Claverack
Setting
Landform: Lake plains
Landform position (two-dimensional): Summit
Landform position (three-dimensional): Tread
Down-slope shape: Concave
Across-slope shape: Convex
Parent material: Sandy glaciolacustrine deposits, derived primarily from non-
calcareous sandstone or granite, that overlie clayey glaciolacustrine deposits
Typical profile
H1 -0 to 8 inches: loamy fine sand
H2-8 to 27 inches: fine sand
2C-27 to 31 inches: silt loam
3C-31 to 72 inches: silty clay
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 20 to 40 inches to strongly contrasting textural
stratification
Natural drainage class: Moderately well drained
Capacity of the most limiting layer to transmit water(Ksat): Very low to moderately
high (0.00 to 0.20 in/hr)
Depth to water table: About 18 to 24 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Available water storage in profile: Very low (about 1.9 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2w
Hydrologic Soil Group: C/D
Hydric soil rating: No
20
Custom Soil Resource Report
Minor Components
Hudson
Percent of map unit: 10 percent
Hydric soil rating: No
Cosad
Percent of map unit: 10 percent
Hydric soil rating: No
Oakville
Percent of map unit: 5 percent
Hydric soil rating: No
Deerfield
Percent of map unit: 3 percent
Hydric soil rating: No
Madalin
Percent of map unit: 1 percent
Landform: Depressions
Hydric soil rating: Yes
Rhinebeck
Percent of map unit: 1 percent
Hydric soil rating: No
In—Ilion silt loam
Map Unit Setting
National map unit symbol: 9wbg
Elevation: 600 to 1,800 feet
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: Farmland of statewide importance
Map Unit Composition
Ilion and similar soils: 90 percent
Minor components: 10 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Ilion
Setting
Landform: Depressions
Landform position (two-dimensional): Toeslope
Landform position (three-dimensional): Base slope
Down-slope shape: Concave
Across-slope shape: Concave
Parent material: Loamy till derived from calcareous dark shale
21
Custom Soil Resource Report
Typical profile
Ap-0 to 9 inches: silt loam
Eg-9 to 18 inches: silt loam
Bt- 18 to 32 inches: silty clay loam
BC-32 to 40 inches: silty clay loam
Cd-40 to 72 inches: channery silt loam
Properties and qualities
Slope: 0 to 3 percent
Depth to restrictive feature: More than 80 inches
Natural drainage class: Poorly drained
Capacity of the most limiting layer to transmit water(Ksat): Very low to moderately
high (0.00 to 0.20 in/hr)
Depth to water table: About 0 inches
Frequency of flooding: None
Frequency of ponding: None
Calcium carbonate, maximum in profile: 10 percent
Available water storage in profile: Moderate (about 8.2 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 4w
Hydrologic Soil Group: C/D
Hydric soil rating: Yes
Minor Components
B u rdett
Percent of map unit: 10 percent
Hydric soil rating: No
PwB—Pittstown silt loam, 3 to 8 percent slopes
Map Unit Setting
National map unit symbol: 9wcc
Mean annual precipitation: 36 to 48 inches
Mean annual airtemperature: 45 to 48 degrees F
Frost-free period: 125 to 160 days
Farmland classification: All areas are prime farmland
Map Unit Composition
Pittstown and similar soils: 80 percent
Minor components: 20 percent
Estimates are based on observations, descriptions, and transects of the mapunit.
Description of Pittstown
Setting
Landform: Till plains, drumlinoid ridges, hills
Landform position (two-dimensional): Summit
22
Custom Soil Resource Report
Landform position (three-dimensional): Crest
Down-slope shape: Concave
Across-slope shape: Convex
Parent material: Loamy till
Typical profile
H1 -0 to 11 inches: silt loam
H2- 11 to 23 inches: gravelly loam
H3-23 to 72 inches: gravelly loam
Properties and qualities
Slope: 3 to 8 percent
Depth to restrictive feature: 15 to 30 inches to densic material
Natural drainage class: Moderately well drained
Capacity of the most limiting layer to transmit water(Ksat): Moderately low to
moderately high (0.06 to 0.57 in/hr)
Depth to water table: About 18 to 30 inches
Frequency of flooding: None
Frequency of ponding: None
Available water storage in profile: Low (about 4.1 inches)
Interpretive groups
Land capability classification (irrigated): None specified
Land capability classification (nonirrigated): 2e
Hydrologic Soil Group: C/D
Hydric soil rating: No
Minor Components
Manlius
Percent of map unit: 10 percent
Hydric soil rating: No
Bernardston
Percent of map unit: 10 percent
Hydric soil rating: No
23
References
American Association of State Highway and Transportation Officials (AASHTO).
2004. Standard specifications for transportation materials and methods of sampling
and testing. 24th edition.
American Society for Testing and Materials (ASTM). 2005. Standard classification of
soils for engineering purposes. ASTM Standard D2487-00.
Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of
wetlands and deep-water habitats of the United States. U.S. Fish and Wldlife
Service FWS/OBS-79/31.
Federal Register. July 13, 1994. Changes in hydric soils of the United States.
Federal Register. September 18, 2002. Hydric soils of the United States.
Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric
soils in the United States.
National Research Council. 1995. Wetlands: Characteristics and boundaries.
Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service.
U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/
n res/d eta i I/n ati o n a I/s o i Is/?cid=n res 142 p2_0 54262
Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for
making and interpreting soil surveys. 2nd edition. Natural Resources Conservation
Service, U.S. Department of Agriculture Handbook 436. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053577
Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of
Agriculture, Natural Resources Conservation Service. http://
www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053580
Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wldlife Service and
Delaware Department of Natural Resources and Environmental Control, Wetlands
Section.
United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of
Engineers wetlands delineation manual. Waterways Experiment Station Technical
Report Y-87-1.
United States Department of Agriculture, Natural Resources Conservation Service.
National forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/
home/?cid=nres142p2_053374
United States Department of Agriculture, Natural Resources Conservation Service.
National range and pasture handbook. http://www.nres.usda.gov/wps/portal/nres/
detail/national/landuse/rangepastu re/?cid=stelprdb1043084
24
Custom Soil Resource Report
United States Department of Agriculture, Natural Resources Conservation Service.
National soil survey handbook, title 430-VI. http://www.nres.usda.gov/wps/portal/
n res/d eta i I/so i Is/scie ntists/?cid=n res 142 p2_054242
United States Department of Agriculture, Natural Resources Conservation Service.
2006. Land resource regions and major land resource areas of the United States,
the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook
296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/?
cid=n res 142 p2_05 3624
United States Department of Agriculture, Soil Conservation Service. 1961. Land
capability classification. U.S. Department of Agriculture Handbook 210. http://
www.n res.usda.gov/I nternet/FSE_DOCU M ENTS/n res142p2_052290.pdf
25
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4L 5L 6L
AP-1 AP-2 AP-3
Subcat Reach on Link Routing Diagram for Pre Development
Prepared by The LA Group, Printed 4/8/2020
HydroCADO 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC
Pre Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 2
Area Listing (all nodes)
Area CN Description
(acres) (subcatchment-numbers)
3.542 80 >75% Grass cover, Good, HSG D (1, 2, 3)
0.081 98 Paved parking, HSG D (2, 3)
31.114 77 Woods, Good, HSG D (1, 2, 3)
34.737 77 TOTAL AREA
Pre Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 3
Soil Listing (all nodes)
Area Soil Subcatchment
(acres) Group Numbers
0.000 HSG A
0.000 HSG B
0.000 HSG C
34.737 HSG D 1, 2, 3
0.000 Other
34.737 TOTAL AREA
Pre Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 4
Ground Covers (all nodes)
HSG-A HSG-B HSG-C HSG-D Other Total Ground Subcatchment
(acres) (acres) (acres) (acres) (acres) (acres) Cover Numbers
0.000 0.000 0.000 3.542 0.000 3.542 >75% Grass cover, Good 1, 2, 3
0.000 0.000 0.000 0.081 0.000 0.081 Paved parking 2, 3
0.000 0.000 0.000 31.114 0.000 31.114 Woods, Good 1, 2, 3
0.000 0.000 0.000 34.737 0.000 34.737 TOTAL AREA
Pre Development Type 1124-hr 1-year Rainfa11=2.15"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 5
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1: Subcat 1 Runoff Area=3.151 ac 0.00% Impervious Runoff Depth>0.47"
Flow Length=494' Tc=16.5 min CN=77 Runoff=1.85 cfs 0.123 af
Subcatchment 2: Subcat 2 Runoff Area=24.562 ac 0.26% Impervious Runoff Depth>0.47"
Flow Length=1,351' Tc=23.4 min CN=77 Runoff=11.49 cfs 0.958 af
Subcatchment 3: Subcat 3 Runoff Area=7.023 ac 0.25% Impervious Runoff Depth>0.50"
Flow Length=857' Tc=30.1 min CN=78 Runoff=3.04 cfs 0.295 af
Link 4L: AP-1 Inflow=1.85 cfs 0.123 af
Primary=1.85 cfs 0.123 af
Link 5L: AP-2 Inflow=11.49 cfs 0.958 af
Primary=11.49 cfs 0.958 af
Link 6L: AP-3 Inflow=3.04 cfs 0.295 af
Primary=3.04 cfs 0.295 af
Total Runoff Area= 34.737 ac Runoff Volume = 1.376 af Average Runoff Depth = 0.48"
99.77% Pervious= 34.656 ac 0.23% Impervious = 0.081 ac
Pre Development Type 1124-hr 10-year Rainfa11=3.75"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 6
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1: Subcat 1 Runoff Area=3.151 ac 0.00% Impervious Runoff Depth>1.47"
Flow Length=494' Tc=16.5 min CN=77 Runoff=6.21 cfs 0.387 af
Subcatchment 2: Subcat 2 Runoff Area=24.562 ac 0.26% Impervious Runoff Depth>1.47"
Flow Length=1,351' Tc=23.4 min CN=77 Runoff=39.58 cfs 3.009 af
Subcatchment 3: Subcat 3 Runoff Area=7.023 ac 0.25% Impervious Runoff Depth>1.53"
Flow Length=857' Tc=30.1 min CN=78 Runoff=10.09 cfs 0.898 af
Link 4L: AP-1 Inflow=6.21 cfs 0.387 af
Primary=6.21 cfs 0.387 af
Link 5L: AP-2 Inflow=39.58 cfs 3.009 af
Primary=39.58 cfs 3.009 af
Link 6L: AP-3 Inflow=10.09 cfs 0.898 af
Primary=10.09 cfs 0.898 af
Total Runoff Area= 34.737 ac Runoff Volume =4.293 af Average Runoff Depth = 1.48"
99.77% Pervious= 34.656 ac 0.23% Impervious = 0.081 ac
Pre Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 1
Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1: Subcat 1 Runoff Area=3.151 ac 0.00% Impervious Runoff Depth>3.38"
Flow Length=494' Tc=16.5 min CN=77 Runoff=14.10 cfs 0.887 af
Subcatchment 2: Subcat 2 Runoff Area=24.562 ac 0.26% Impervious Runoff Depth>3.37"
Flow Length=1,351' Tc=23.4 min CN=77 Runoff=90.77 cfs 6.897 af
Subcatchment 3: Subcat 3 Runoff Area=7.023 ac 0.25% Impervious Runoff Depth>3.46"
Flow Length=857' Tc=30.1 min CN=78 Runoff=22.79 cfs 2.025 af
Link 4L: AP-1 Inflow=14.10 cfs 0.887 af
Primary=14.10 cfs 0.887 af
Link 5L: AP-2 Inflow=90.77 cfs 6.897 af
Primary=90.77 cfs 6.897 af
Link 6L: AP-3 Inflow=22.79 cfs 2.025 af
Primary=22.79 cfs 2.025 af
Total Runoff Area= 34.737 ac Runoff Volume = 9.809 af Average Runoff Depth = 3.39"
99.77% Pervious= 34.656 ac 0.23% Impervious = 0.081 ac
Pre Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 2
Summary for Subcatchment 1: Subcat 1
Runoff = 14.10 cfs @ 12.09 hrs, Volume= 0.887 af, Depth> 3.38"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.003 80 >75% Grass cover, Good, HSG D
3.148 77 Woods, Good, HSG D
3.151 77 Weighted Average
3.151 100.00% Pervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
13.1 100 0.0900 0.13 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
3.4 394 0.1470 1.92 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
16.5 494 Total
Summary for Subcatchment 2: Subcat 2
Runoff = 90.77 cfs @ 12.16 hrs, Volume= 6.897 af, Depth> 3.37"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
2.478 80 >75% Grass cover, Good, HSG D
0.064 98 Paved parking, HSG D
22.021 77 Woods, Good, HSG D
24.562 77 Weighted Average
24.499 99.74% Pervious Area
0.064 0.26% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
13.7 100 0.0800 0.12 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
3.2 310 0.1016 1.59 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
6.5 941 0.0256 2.40 Shallow Concentrated Flow,
Grassed Waterway Kv= 15.0 fps
23.4 1,351 Total
Pre Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 3
Summary for Subcatchment 3: Subcat 3
Runoff = 22.79 cfs @ 12.24 hrs, Volume= 2.025 af, Depth> 3.46"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
1.061 80 >75% Grass cover, Good, HSG D
0.018 98 Paved parking, HSG D
5.944 77 Woods, Good, HSG D
7.023 78 Weighted Average
7.006 99.75% Pervious Area
0.018 0.25% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
18.8 100 0.0360 0.09 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
11.3 757 0.0500 1.12 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
30.1 857 Total
Summary for Link 4L: AP-1
Inflow Area = 3.151 ac, 0.00% Impervious, Inflow Depth > 3.38" for 100-year event
Inflow = 14.10 cfs @ 12.09 hrs, Volume= 0.887 af
Primary = 14.10 cfs @ 12.09 hrs, Volume= 0.887 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Summary for Link 5L: AP-2
Inflow Area = 24.562 ac, 0.26% Impervious, Inflow Depth > 3.37" for 100-year event
Inflow = 90.77 cfs @ 12.16 hrs, Volume= 6.897 af
Primary = 90.77 cfs @ 12.16 hrs, Volume= 6.897 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Summary for Link 6L: AP-3
Inflow Area = 7.023 ac, 0.25% Impervious, Inflow Depth > 3.46" for 100-year event
Inflow = 22.79 cfs @ 12.24 hrs, Volume= 2.025 af
Primary = 22.79 cfs @ 12.24 hrs, Volume= 2.025 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 5.00-20.00 hrs, dt= 0.05 hrs
Attachment C
Proposed Conditions Watershed Map and
HydroCAD Calculations
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Sub�t 1a �B
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Dam
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Subcat 3e1 Pretreatment Check
Dam
Subcat Reach on Link Routing Diagram for Post Development
Prepared by The LA Group, Printed 4/8/2020
HydroCADO 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC
Post Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 2
Area Listing (all nodes)
Area CN Description
(acres) (subcatchment-numbers)
11.191 80 >75% Grass cover, Good, HSG D (1 a, 2a, 2b, 2c, 2d, 2e1, 2e2, 3a, 3b1, 3b2, 3c,
3d, 3e, 3e1, 3f, 3f1)
2.093 98 Paved parking, HSG D (2a, 2b, 2c, 2e1, 2e2, 3a, 3b1, 3b2, 3c, 3d, 3e, 3e1, 3f, 3f1)
21.453 77 Woods, Good, HSG D (1 a, 2a, 2c, 2d, 2e1, 3a, 3b2, 3c, 3d, 3e)
34.737 79 TOTAL AREA
Post Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 3
Soil Listing (all nodes)
Area Soil Subcatchment
(acres) Group Numbers
0.000 HSG A
0.000 HSG B
0.000 HSG C
34.737 HSG D 1 a, 2a, 2b, 2c, 2d, 2e1, 2e2, 3a, 3b1, 3b2, 3c, 3d, 3e, 3e1, 3f, 3f1
0.000 Other
34.737 TOTAL AREA
Post Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 4
Ground Covers (all nodes)
HSG-A HSG-B HSG-C HSG-D Other Total Ground Subcatchment
(acres) (acres) (acres) (acres) (acres) (acres) Cover Numbers
0.000 0.000 0.000 11.191 0.000 11.191 >75% Grass cover, Good 1 a, 2a,
2b, 2c,
2d, 2e1,
2e2, 3a,
3b1,
3b2, 3c,
3d, 3e,
3e1, 3f,
3f1
0.000 0.000 0.000 2.093 0.000 2.093 Paved parking 2a, 2b,
2c, 2e1,
2e2, 3a,
3b1,
3b2, 3c,
3d, 3e,
3e1, 3f,
3f1
0.000 0.000 0.000 21.453 0.000 21.453 Woods, Good 1 a, 2a,
2c, 2d,
2e1, 3a,
3b2, 3c,
3d, 3e
0.000 0.000 0.000 34.737 0.000 34.737 TOTAL AREA
Post Development
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 5
Pipe Listing (all nodes)
Line# Node In-Invert Out-Invert Length Slope n Diam/Width Height Inside-Fill
Number (feet) (feet) (feet) (ft/ft) (inches) (inches) (inches)
1 4P 249.65 237.55 265.0 0.0457 0.013 12.0 0.0 0.0
2 5P 237.45 220.30 444.0 0.0386 0.013 15.0 0.0 0.0
3 6P 261.50 261.00 40.0 0.0125 0.013 18.0 0.0 0.0
4 SMP-1 257.00 256.50 87.0 0.0057 0.013 18.0 0.0 0.0
5 SMP-2 217.75 217.00 112.0 0.0067 0.013 15.0 0.0 0.0
Post Development Type 1124-hr 1-year Rainfa11=2.15"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 6
Time span=4.00-20.00 hrs, dt=0.01 hrs, 1601 points x 3
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1a: Subcat 1a Runoff Area=2.606 ac 0.00% Impervious Runoff Depth>0.51"
Flow Length=433' Tc=14.7 min CN=78 Runoff=1.80 cfs 0.110 af
Subcatchment 2a: (SMP-3) Runoff Area=15.747 ac 1.72% Impervious Runoff Depth>0.51"
Flow Length=1,250' Tc=20.2 min CN=78 Runoff=8.99 cfs 0.664 af
Subcatchment 2b: Subcat 2b Runoff Area=0.220 ac 67.06% Impervious Runoff Depth>1.28"
Tc=6.0 min CN=92 Runoff=0.53 cfs 0.023 af
Subcatchment 2c: Subcat 2c Runoff Area=0.334 ac 25.72% Impervious Runoff Depth>0.78"
Tc=6.0 min CN=84 Runoff=0.51 cfs 0.022 af
Subcatchment 2d: Subcat 2d Runoff Area=4.804 ac 0.00% Impervious Runoff Depth>0.51"
Flow Length=541' Tc=23.0 min CN=78 Runoff=2.52 cfs 0.202 af
Subcatchment 2e1: Subcat 2e1 Runoff Area=2.738 ac 17.69% Impervious Runoff Depth>0.73"
Tc=6.0 min CN=83 Runoff=3.91 cfs 0.166 af
Subcatchment 2e2: Subcat 2e2 Runoff Area=1.273 ac 29.09% Impervious Runoff Depth>0.83"
Tc=6.0 min CN=85 Runoff=2.07 cfs 0.088 af
Subcatchment 3a: Subcat 3a Runoff Area=4.064 ac 0.01% Impervious Runoff Depth>0.47"
Flow Length=735' Tc=26.2 min CN=77 Runoff=1.77 cfs 0.158 af
Subcatchment 3b1: Subcat 3b1 Runoff Area=0.880 ac 30.73% Impervious Runoff Depth>0.88"
Tc=6.0 min CN=86 Runoff=1.52 cfs 0.065 af
Subcatchment 3b2: Subcat 3b2 Runoff Area=0.673 ac 42.90% Impervious Runoff Depth>0.94"
Tc=6.0 min CN=87 Runoff=1.23 cfs 0.053 af
Subcatchment 3c: Subcat 3c Runoff Area=0.202 ac 5.52% Impervious Runoff Depth>0.63"
Tc=6.0 min CN=81 Runoff=0.25 cfs 0.011 af
Subcatchment 3d: Subcat 3d Runoff Area=0.648 ac 3.00% Impervious Runoff Depth>0.59"
Tc=6.0 min CN=80 Runoff=0.75 cfs 0.032 af
Subcatchment 3e: Subcat 3e Runoff Area=0.258 ac 26.14% Impervious Runoff Depth>0.83"
Tc=6.0 min CN=85 Runoff=0.42 cfs 0.018 af
Subcatchment 3e1: Subcat 3e1 Runoff Area=0.124 ac 16.83% Impervious Runoff Depth>0.73"
Tc=6.0 min CN=83 Runoff=0.18 cfs 0.007 af
Subcatchment 3f: Subcat 3f Runoff Area=0.134 ac 29.91% Impervious Runoff Depth>0.83"
Tc=6.0 min CN=85 Runoff=0.22 cfs 0.009 af
Subcatchment 3f1: Subcat 3f1 Runoff Area=0.032 ac 48.65% Impervious Runoff Depth>1.06"
Tc=6.0 min CN=89 Runoff=0.06 cfs 0.003 af
Post Development Type 1124-hr 1-year Rainfa11=2.15"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 7
Reach SW-1: SWALE Avg. Flow Depth=0.45' Max Ve1=0.65 fps Inflow=1.52 cfs 0.065 af
n=0.120 L=200.0' S=0.0120 '/' Capacity=6.07 cfs Outflow=1.28 cfs 0.064 af
Pond 4P: CB-10 TO CB-6 Peak EIev=250.18' Inflow=1.04 cfs 0.045 af
12.0" Round Culvert n=0.013 L=265.0' S=0.0457 '/' Outflow=1.04 cfs 0.045 af
Pond 5P: CB-5 TO CB-1 Peak Elev=238.19' Inflow=2.23 cfs 0.109 af
15.0" Round Culvert n=0.013 L=444.0' S=0.0386 '/' Outflow=2.23 cfs 0.109 af
Pond 6P: CULVERT Peak Elev=262.16' Inflow=2.07 cfs 0.088 af
18.0" Round Culvert n=0.013 L=40.0' S=0.0125 '/' Outflow=2.07 cfs 0.088 af
Pond F1: Pretreatment Check Dam Peak EIev=222.05' Storage=112 cf Inflow=0.18 cfs 0.007 af
Outflow=0.13 cfs 0.005 af
Pond F2: Pretreatment Check Dam Peak EIev=221.01' Storage=74 cf Inflow=0.06 cfs 0.003 af
Outflow=0.01 cfs 0.001 af
Pond FB-1: FOREBAY Peak EIev=260.29' Storage=1,890 cf Inflow=5.98 cfs 0.253 af
Outflow=5.86 cfs 0.253 af
Pond FB-2: FOREBAY Peak Elev=219.71' Storage=1,981 cf Inflow=3.44 cfs 0.162 af
Outflow=3.30 cfs 0.161 af
Pond SMP-1: WET POND Peak Elev=257.95' Storage=11,378 cf Inflow=5.86 cfs 0.253 af
Outflow=1.09 cfs 0.238 af
Pond SMP-2: WET POND Peak Elev=218.48' Storage=9,175 cf Inflow=4.00 cfs 0.193 af
Outflow=1.62 cfs 0.183 af
Pond SMP-4.1: Wet Swale Peak Elev=221.11' Storage=99 cf Inflow=0.48 cfs 0.023 af
Outflow=0.47 cfs 0.021 af
Pond SMP-4.2: Wet Swale Peak EIev=220.11' Storage=82 cf Inflow=0.47 cfs 0.021 af
Outflow=0.46 cfs 0.020 af
Pond SMP-4.3: Wet Swale Peak Elev=219.11' Storage=81 cf Inflow=0.46 cfs 0.020 af
Outflow=0.46 cfs 0.018 af
Pond SMP-4.4: Wet Swale Peak EIev=218.09' Storage=139 cf Inflow=0.46 cfs 0.018 af
Outflow=0.33 cfs 0.016 af
Pond SMP-5.1: Wet Swale Peak EIev=220.07' Storage=69 cf Inflow=0.22 cfs 0.010 af
Outflow=0.22 cfs 0.009 af
Pond SMP-5.2: Wet Swale Peak EIev=219.06' Storage=69 cf Inflow=0.22 cfs 0.009 af
Outflow=0.20 cfs 0.008 af
Pond SMP-5.3: Wet Swale Peak EIev=218.02' Storage=83 cf Inflow=0.20 cfs 0.008 af
Outflow=0.04 cfs 0.006 af
Post Development Type 1124-hr 1-year Rainfa11=2.15"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 8
Link 4L: AP-1 Inflow=1.80 cfs 0.110 af
Primary=1.80 cfs 0.110 af
Link 5L: AP-2 Inflow=12.52 cfs 1.104 af
Primary=12.52 cfs 1.104 af
Link 6L: AP-3 Inflow=3.56 cfs 0.373 af
Primary=3.56 cfs 0.373 af
Total Runoff Area= 34.737 ac Runoff Volume = 1.630 af Average Runoff Depth = 0.56"
93.98% Pervious= 32.645 ac 6.02% Impervious = 2.093 ac
Post Development Type 1124-hr 10-year Rainfa11=3.75"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 9
Time span=4.00-20.00 hrs, dt=0.01 hrs, 1601 points x 3
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1a: Subcat 1a Runoff Area=2.606 ac 0.00% Impervious Runoff Depth>1.54"
Flow Length=433' Tc=14.7 min CN=78 Runoff=5.75 cfs 0.335 af
Subcatchment 2a: (SMP-3) Runoff Area=15.747 ac 1.72% Impervious Runoff Depth>1.54"
Flow Length=1,250' Tc=20.2 min CN=78 Runoff=29.24 cfs 2.019 af
Subcatchment 2b: Subcat 2b Runoff Area=0.220 ac 67.06% Impervious Runoff Depth>2.70"
Tc=6.0 min CN=92 Runoff=1.06 cfs 0.049 af
Subcatchment 2c: Subcat 2c Runoff Area=0.334 ac 25.72% Impervious Runoff Depth>1.99"
Tc=6.0 min CN=84 Runoff=1.27 cfs 0.056 af
Subcatchment 2d: Subcat 2d Runoff Area=4.804 ac 0.00% Impervious Runoff Depth>1.54"
Flow Length=541' Tc=23.0 min CN=78 Runoff=8.22 cfs 0.615 af
Subcatchment 2e1: Subcat 2e1 Runoff Area=2.738 ac 17.69% Impervious Runoff Depth>1.91"
Tc=6.0 min CN=83 Runoff=10.06 cfs 0.437 af
Subcatchment 2e2: Subcat 2e2 Runoff Area=1.273 ac 29.09% Impervious Runoff Depth>2.07"
Tc=6.0 min CN=85 Runoff=5.01 cfs 0.220 af
Subcatchment 3a: Subcat 3a Runoff Area=4.064 ac 0.01% Impervious Runoff Depth>1.47"
Flow Length=735' Tc=26.2 min CN=77 Runoff=6.13 cfs 0.497 af
Subcatchment 3b1: Subcat 3b1 Runoff Area=0.880 ac 30.73% Impervious Runoff Depth>2.16"
Tc=6.0 min CN=86 Runoff=3.58 cfs 0.158 af
Subcatchment 3b2: Subcat 3b2 Runoff Area=0.673 ac 42.90% Impervious Runoff Depth>2.24"
Tc=6.0 min CN=87 Runoff=2.82 cfs 0.126 af
Subcatchment 3c: Subcat 3c Runoff Area=0.202 ac 5.52% Impervious Runoff Depth>1.76"
Tc=6.0 min CN=81 Runoff=0.69 cfs 0.030 af
Subcatchment 3d: Subcat 3d Runoff Area=0.648 ac 3.00% Impervious Runoff Depth>1.69"
Tc=6.0 min CN=80 Runoff=2.13 cfs 0.091 af
Subcatchment 3e: Subcat 3e Runoff Area=0.258 ac 26.14% Impervious Runoff Depth>2.07"
Tc=6.0 min CN=85 Runoff=1.02 cfs 0.045 af
Subcatchment 3e1: Subcat 3e1 Runoff Area=0.124 ac 16.83% Impervious Runoff Depth>1.91"
Tc=6.0 min CN=83 Runoff=0.45 cfs 0.020 af
Subcatchment 3f: Subcat 3f Runoff Area=0.134 ac 29.91% Impervious Runoff Depth>2.07"
Tc=6.0 min CN=85 Runoff=0.53 cfs 0.023 af
Subcatchment 3f1: Subcat 3f1 Runoff Area=0.032 ac 48.65% Impervious Runoff Depth>2.42"
Tc=6.0 min CN=89 Runoff=0.14 cfs 0.006 af
Post Development Type 1124-hr 10-year Rainfa11=3.75"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 10
Reach SW-1: SWALE Avg. Flow Depth=0.73' Max Ve1=0.85 fps Inflow=3.58 cfs 0.158 af
n=0.120 L=200.0' S=0.0120 '/' Capacity=6.07 cfs Outflow=3.19 cfs 0.157 af
Pond 4P: CB-10 TO CB-6 Peak EIev=250.53' Inflow=2.33 cfs 0.105 af
12.0" Round Culvert n=0.013 L=265.0' S=0.0457 '/' Outflow=2.33 cfs 0.105 af
Pond 5P: CB-5 TO CB-1 Peak Elev=238.91' Inflow=5.39 cfs 0.262 af
15.0" Round Culvert n=0.013 L=444.0' S=0.0386 '/' Outflow=5.39 cfs 0.262 af
Pond 6P: CULVERT Peak Elev=262.64' Inflow=5.01 cfs 0.220 af
18.0" Round Culvert n=0.013 L=40.0' S=0.0125 '/' Outflow=5.01 cfs 0.220 af
Pond F1: Pretreatment Check Dam Peak Elev=222.11' Storage=131 cf Inflow=0.45 cfs 0.020 af
Outflow=0.45 cfs 0.017 af
Pond F2: Pretreatment Check Dam Peak EIev=221.05' Storage=84 cf Inflow=0.14 cfs 0.006 af
Outflow=0.14 cfs 0.005 af
Pond FB-1: FOREBAY Peak EIev=260.52' Storage=2,327 cf Inflow=15.07 cfs 0.657 af
Outflow=14.89 cfs 0.656 af
Pond FB-2: FOREBAY Peak Elev=219.86' Storage=2,326 cf Inflow=8.16 cfs 0.388 af
Outflow=7.99 cfs 0.387 af
Pond SMP-1: WET POND Peak EIev=259.40' Storage=19,974 cf Inflow=14.89 cfs 0.656 af
Outflow=1.82 cfs 0.635 af
Pond SMP-2: WET POND Peak Elev=219.46' Storage=13,614 cf Inflow=10.03 cfs 0.478 af
Outflow=3.13 cfs 0.464 af
Pond SMP-4.1: Wet Swale Peak Elev=221.24' Storage=130 cf Inflow=1.46 cfs 0.062 af
Outflow=1.45 cfs 0.060 af
Pond SMP-4.2: Wet Swale Peak EIev=220.24' Storage=108 cf Inflow=1.45 cfs 0.060 af
Outflow=1.44 cfs 0.059 af
Pond SMP-4.3: Wet Swale Peak Elev=219.24' Storage=106 cf Inflow=1.44 cfs 0.059 af
Outflow=1.44 cfs 0.057 af
Pond SMP-4.4: Wet Swale Peak Elev=218.24' Storage=178 cf Inflow=1.44 cfs 0.057 af
Outflow=1.43 cfs 0.055 af
Pond SMP-5.1: Wet Swale Peak EIev=220.14' Storage=83 cf Inflow=0.66 cfs 0.028 af
Outflow=0.66 cfs 0.026 af
Pond SMP-5.2: Wet Swale Peak Elev=219.14' Storage=83 cf Inflow=0.66 cfs 0.026 af
Outflow=0.66 cfs 0.025 af
Pond SMP-5.3: Wet Swale Peak Elev=218.14' Storage=112 cf Inflow=0.66 cfs 0.025 af
Outflow=0.65 cfs 0.023 af
Post Development Type 1124-hr 10-year Rainfa11=3.75"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 11
Link 4L: AP-1 Inflow=5.75 cfs 0.335 af
Primary=5.75 cfs 0.335 af
Link 5L: AP-2 Inflow=39.16 cfs 3.270 af
Primary=39.16 cfs 3.270 af
Link 6L: AP-3 Inflow=9.76 cfs 1.068 af
Primary=9.76 cfs 1.068 af
Total Runoff Area= 34.737 ac Runoff Volume =4.727 af Average Runoff Depth = 1.63"
93.98% Pervious= 32.645 ac 6.02% Impervious = 2.093 ac
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 1
Time span=4.00-20.00 hrs, dt=0.01 hrs, 1601 points x 3
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN
Reach routing by Dyn-Stor-Ind method - Pond routing by Dyn-Stor-Ind method
Subcatchment 1a: Subcat 1a Runoff Area=2.606 ac 0.00% Impervious Runoff Depth>3.48"
Flow Length=433' Tc=14.7 min CN=78 Runoff=12.78 cfs 0.755 af
Subcatchment 2a: (SMP-3) Runoff Area=15.747 ac 1.72% Impervious Runoff Depth>3.47"
Flow Length=1,250' Tc=20.2 min CN=78 Runoff=65.33 cfs 4.554 af
Subcatchment 2b: Subcat 2b Runoff Area=0.220 ac 67.06% Impervious Runoff Depth>4.95"
Tc=6.0 min CN=92 Runoff=1.86 cfs 0.091 af
Subcatchment 2c: Subcat 2c Runoff Area=0.334 ac 25.72% Impervious Runoff Depth>4.10"
Tc=6.0 min CN=84 Runoff=2.50 cfs 0.114 af
Subcatchment 2d: Subcat 2d Runoff Area=4.804 ac 0.00% Impervious Runoff Depth>3.47"
Flow Length=541' Tc=23.0 min CN=78 Runoff=18.48 cfs 1.388 af
Subcatchment 2e1: Subcat 2e1 Runoff Area=2.738 ac 17.69% Impervious Runoff Depth>3.99"
Tc=6.0 min CN=83 Runoff=20.12 cfs 0.911 af
Subcatchment 2e2: Subcat 2e2 Runoff Area=1.273 ac 29.09% Impervious Runoff Depth>4.20"
Tc=6.0 min CN=85 Runoff=9.71 cfs 0.446 af
Subcatchment 3a: Subcat 3a Runoff Area=4.064 ac 0.01% Impervious Runoff Depth>3.36"
Flow Length=735' Tc=26.2 min CN=77 Runoff=14.10 cfs 1.139 af
Subcatchment 3b1: Subcat 3b1 Runoff Area=0.880 ac 30.73% Impervious Runoff Depth>4.31"
Tc=6.0 min CN=86 Runoff=6.83 cfs 0.316 af
Subcatchment 3b2: Subcat 3b2 Runoff Area=0.673 ac 42.90% Impervious Runoff Depth>4.42"
Tc=6.0 min CN=87 Runoff=5.31 cfs 0.248 af
Subcatchment 3c: Subcat 3c Runoff Area=0.202 ac 5.52% Impervious Runoff Depth>3.79"
Tc=6.0 min CN=81 Runoff=1.42 cfs 0.064 af
Subcatchment 3d: Subcat 3d Runoff Area=0.648 ac 3.00% Impervious Runoff Depth>3.69"
Tc=6.0 min CN=80 Runoff=4.48 cfs 0.199 af
Subcatchment 3e: Subcat 3e Runoff Area=0.258 ac 26.14% Impervious Runoff Depth>4.20"
Tc=6.0 min CN=85 Runoff=1.97 cfs 0.090 af
Subcatchment 3e1: Subcat 3e1 Runoff Area=0.124 ac 16.83% Impervious Runoff Depth>3.99"
Tc=6.0 min CN=83 Runoff=0.91 cfs 0.041 af
Subcatchment 3f: Subcat 3f Runoff Area=0.134 ac 29.91% Impervious Runoff Depth>4.20"
Tc=6.0 min CN=85 Runoff=1.02 cfs 0.047 af
Subcatchment 3f1: Subcat 3f1 Runoff Area=0.032 ac 48.65% Impervious Runoff Depth>4.63"
Tc=6.0 min CN=89 Runoff=0.26 cfs 0.012 af
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 2
Reach SW-1: SWALE Avg. Flow Depth=1.02' Max Ve1=1.02 fps Inflow=6.83 cfs 0.316 af
n=0.120 L=200.0' S=0.0120 '/' Capacity=6.07 cfs Outflow=6.28 cfs 0.315 af
Pond 4P: CB-10 TO CB-6 Peak Elev=251.48' Inflow=4.36 cfs 0.205 af
12.0" Round Culvert n=0.013 L=265.0' S=0.0457 '/' Outflow=4.36 cfs 0.205 af
Pond 5P: CB-5 TO CB-1 Peak EIev=241.20' Inflow=10.45 cfs 0.520 af
15.0" Round Culvert n=0.013 L=444.0' S=0.0386 '/' Outflow=10.45 cfs 0.520 af
Pond 6P: CULVERT Peak Elev=263.55' Inflow=9.71 cfs 0.446 af
18.0" Round Culvert n=0.013 L=40.0' S=0.0125 '/' Outflow=9.71 cfs 0.446 af
Pond F1: Pretreatment Check Dam Peak Elev=222.17' Storage=154 cf Inflow=0.91 cfs 0.041 af
Outflow=0.90 cfs 0.039 af
Pond F2: Pretreatment Check Dam Peak EIev=221.07' Storage=90 cf Inflow=0.26 cfs 0.012 af
Outflow=0.25 cfs 0.010 af
Pond FB-1: FOREBAY Peak EIev=260.92' Storage=3,200 cf Inflow=29.83 cfs 1.357 af
Outflow=29.19 cfs 1.356 af
Pond FB-2: FOREBAY Peak EIev=220.44' Storage=3,791 cf Inflow=15.69 cfs 0.767 af
Outflow=13.07 cfs 0.766 af
Pond SMP-1: WET POND Peak EIev=260.91' Storage=31,876 cf Inflow=29.19 cfs 1.356 af
Outflow=6.91 cfs 1.325 af
Pond SMP-2: WET POND Peak EIev=220.44' Storage=19,001 cf Inflow=17.53 cfs 0.965 af
Outflow=7.18 cfs 0.946 af
Pond SMP-4.1: Wet Swale Peak Elev=221.37' Storage=167 cf Inflow=2.86 cfs 0.129 af
Outflow=2.85 cfs 0.127 af
Pond SMP-4.2: Wet Swale Peak EIev=220.36' Storage=136 cf Inflow=2.85 cfs 0.127 af
Outflow=2.84 cfs 0.126 af
Pond SMP-4.3: Wet Swale Peak Elev=219.36' Storage=134 cf Inflow=2.84 cfs 0.126 af
Outflow=2.83 cfs 0.125 af
Pond SMP-4.4: Wet Swale Peak Elev=218.36' Storage=214 cf Inflow=2.83 cfs 0.125 af
Outflow=2.82 cfs 0.122 af
Pond SMP-5.1: Wet Swale Peak EIev=220.22' Storage=98 cf Inflow=1.27 cfs 0.057 af
Outflow=1.27 cfs 0.056 af
Pond SMP-5.2: Wet Swale Peak Elev=219.22' Storage=99 cf Inflow=1.27 cfs 0.056 af
Outflow=1.26 cfs 0.055 af
Pond SMP-5.3: Wet Swale Peak Elev=218.22' Storage=133 cf Inflow=1.26 cfs 0.055 af
Outflow=1.26 cfs 0.053 af
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 3
Link 4L: AP-1 Inflow=12.78 cfs 0.755 af
Primary=12.78 cfs 0.755 af
Link 5L: AP-2 Inflow=90.54 cfs 7.267 af
Primary=90.54 cfs 7.267 af
Link 6L: AP-3 Inflow=22.14 cfs 2.323 af
Primary=22.14 cfs 2.323 af
Total Runoff Area= 34.737 ac Runoff Volume = 10.416 af Average Runoff Depth = 3.60"
93.98% Pervious= 32.645 ac 6.02% Impervious = 2.093 ac
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 4
Summary for Subcatchment 1a: Subcat 1a
Runoff = 12.78 cfs @ 12.07 hrs, Volume= 0.755 af, Depth> 3.48"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.860 80 >75% Grass cover, Good, HSG D
1.747 77 Woods, Good, HSG D
2.606 78 Weighted Average
2.606 78 100.00% Pervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
11.6 100 0.1200 0.14 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
3.1 333 0.1260 1.77 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
14.7 433 Total
Summary for Subcatchment 2a: (SMP-3)
Runoff = 65.33 cfs @ 12.13 hrs, Volume= 4.554 af, Depth> 3.47"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
3.969 80 >75% Grass cover, Good, HSG D
0.271 98 Paved parking, HSG D
11.507 77 Woods, Good, HSG D
15.747 78 Weighted Average
15.477 78 98.28% Pervious Area
0.271 98 1.72% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
11.6 100 0.1200 0.14 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
0.5 50 0.1200 1.73 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
8.1 1,100 0.0230 2.27 Shallow Concentrated Flow,
Grassed Waterway Kv= 15.0 fps
20.2 1,250 Total
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 5
Summary for Subcatchment 2b: Subcat 2b
Runoff = 1.86 cfs @ 11.97 hrs, Volume= 0.091 af, Depth> 4.95"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.072 80 >75% Grass cover, Good, HSG D
0.147 98 Paved parking, HSG D
0.220 92 Weighted Average
0.072 80 32.94% Pervious Area
0.147 98 67.06% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 2c: Subcat 2c
Runoff = 2.50 cfs @ 11.97 hrs, Volume= 0.114 af, Depth> 4.10"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.223 80 >75% Grass cover, Good, HSG D
0.086 98 Paved parking, HSG D
0.025 77 Woods, Good, HSG D
0.334 84 Weighted Average
0.248 80 74.28% Pervious Area
0.086 98 25.72% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 2d: Subcat 2d
Runoff = 18.48 cfs @ 12.16 hrs, Volume= 1.388 af, Depth> 3.47"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.856 80 >75% Grass cover, Good, HSG D
3.948 77 Woods, Good, HSG D
4.804 78 Weighted Average
4.804 78 100.00% Pervious Area
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 6
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
18.1 100 0.0400 0.09 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
1.7 157 0.0950 1.54 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
3.2 284 0.0100 1.50 Shallow Concentrated Flow,
Grassed Waterway Kv= 15.0 fps
23.0 541 Total
Summary for Subcatchment 2e1: Subcat 2e1
Runoff = 20.12 cfs @ 11.97 hrs, Volume= 0.911 af, Depth> 3.99"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
1.900 80 >75% Grass cover, Good, HSG D
0.484 98 Paved parking, HSG D
0.354 77 Woods, Good, HSG D
2.738 83 Weighted Average
2.253 80 82.31% Pervious Area
0.484 98 17.69% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 2e2: Subcat 2e2
Runoff = 9.71 cfs @ 11.97 hrs, Volume= 0.446 af, Depth> 4.20"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.903 80 >75% Grass cover, Good, HSG D
0.370 98 Paved parking, HSG D
1.273 85 Weighted Average
0.903 80 70.91% Pervious Area
0.370 98 29.09% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 7
Summary for Subcatchment 3a: Subcat 3a
Runoff = 14.10 cfs @ 12.20 hrs, Volume= 1.139 af, Depth> 3.36"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.470 80 >75% Grass cover, Good, HSG D
0.000 98 Paved parking, HSG D
3.594 77 Woods, Good, HSG D
4.064 77 Weighted Average
4.064 77 99.99% Pervious Area
0.000 98 0.01% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
16.5 100 0.0500 0.10 Sheet Flow,
Woods: Light underbrush n= 0.400 P2= 2.60"
9.7 635 0.0480 1.10 Shallow Concentrated Flow,
Woodland Kv= 5.0 fps
26.2 735 Total
Summary for Subcatchment 3b1: Subcat 3b1
Runoff = 6.83 cfs @ 11.97 hrs, Volume= 0.316 af, Depth> 4.31"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.610 80 >75% Grass cover, Good, HSG D
0.270 98 Paved parking, HSG D
0.880 86 Weighted Average
0.610 80 69.27% Pervious Area
0.270 98 30.73% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3b2: Subcat 3b2
Runoff = 5.31 cfs @ 11.97 hrs, Volume= 0.248 af, Depth> 4.42"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 8
Area (ac) CN Description
0.255 80 >75% Grass cover, Good, HSG D
0.289 98 Paved parking, HSG D
0.129 77 Woods, Good, HSG D
0.673 87 Weighted Average
0.384 79 57.10% Pervious Area
0.289 98 42.90% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3c: Subcat 3c
Runoff = 1.42 cfs @ 11.97 hrs, Volume= 0.064 af, Depth> 3.79"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.177 80 >75% Grass cover, Good, HSG D
0.011 98 Paved parking, HSG D
0.013 77 Woods, Good, HSG D
0.202 81 Weighted Average
0.190 80 94.48% Pervious Area
0.011 98 5.52% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3d: Subcat 3d
Runoff = 4.48 cfs @ 11.97 hrs, Volume= 0.199 af, Depth> 3.69"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.503 80 >75% Grass cover, Good, HSG D
0.019 98 Paved parking, HSG D
0.126 77 Woods, Good, HSG D
0.648 80 Weighted Average
0.629 79 97.00% Pervious Area
0.019 98 3.00% Impervious Area
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 9
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3e: Subcat 3e
Runoff = 1.97 cfs @ 11.97 hrs, Volume= 0.090 af, Depth> 4.20"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.179 80 >75% Grass cover, Good, HSG D
0.067 98 Paved parking, HSG D
0.011 77 Woods, Good, HSG D
0.258 85 Weighted Average
0.190 80 73.86% Pervious Area
0.067 98 26.14% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3e1: Subcat 3e1
Runoff = 0.91 cfs @ 11.97 hrs, Volume= 0.041 af, Depth> 3.99"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.103 80 >75% Grass cover, Good, HSG D
0.021 98 Paved parking, HSG D
0.124 83 Weighted Average
0.103 80 83.17% Pervious Area
0.021 98 16.83% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3f: Subcat 3f
Runoff = 1.02 cfs @ 11.97 hrs, Volume= 0.047 af, Depth> 4.20"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 10
Area (ac) CN Description
0.094 80 >75% Grass cover, Good, HSG D
0.040 98 Paved parking, HSG D
0.134 85 Weighted Average
0.094 80 70.09% Pervious Area
0.040 98 29.91% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Subcatchment 3f1: Subcat 3f1
Runoff = 0.26 cfs @ 11.97 hrs, Volume= 0.012 af, Depth> 4.63"
Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Type II 24-hr 100-year Rainfa11=6.20"
Area (ac) CN Description
0.016 80 >75% Grass cover, Good, HSG D
0.015 98 Paved parking, HSG D
0.032 89 Weighted Average
0.016 80 51.35% Pervious Area
0.015 98 48.65% Impervious Area
Tc Length Slope Velocity Capacity Description
(min) (feet) (ft/ft) (ft/sec) (cfs)
6.0 Direct Entry,
Summary for Reach SW-1: SWALE
Inflow Area = 0.880 ac, 30.73% Impervious, Inflow Depth > 4.31" for 100-year event
Inflow = 6.83 cfs @ 11.97 hrs, Volume= 0.316 af
Outflow = 6.28 cfs @ 12.00 hrs, Volume= 0.315 af, Atten= 8%, Lag= 1.8 min
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Max. Velocity= 1.02 fps, Min. Travel Time= 3.3 min
Avg. Velocity = 0.30 fps, Avg. Travel Time= 11.2 min
Peak Storage= 1,231 cf @ 12.00 hrs
Average Depth at Peak Storage= 1.02'
Bank-Full Depth= 1.00' Flow Area= 6.0 sf, Capacity= 6.07 cfs
3.00' x 1.00' deep channel, n= 0.120
Side Slope Z-value= 3.0 '/' Top Width= 9.00'
Length= 200.0' Slope= 0.0120 '/'
Inlet Invert= 252.90', Outlet Invert= 250.50'
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 11
$
Summary for Pond 4P: CB-10 TO CB-6
Inflow Area = 0.554 ac, 42.11% Impervious, Inflow Depth > 4.44" for 100-year event
Inflow = 4.36 cfs @ 11.97 hrs, Volume= 0.205 af
Outflow = 4.36 cfs @ 11.97 hrs, Volume= 0.205 af, Atten= 0%, Lag= 0.0 min
Primary = 4.36 cfs @ 11.97 hrs, Volume= 0.205 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 251.48' @ 11.97 hrs
Device Routing Invert Outlet Devices
#1 Primary 249.65' 12.0" Round Culvert
L= 265.0' CPP, square edge headwall, Ke= 0.500
Inlet/ Outlet Invert= 249.65' /237.55' S= 0.0457 '/' Cc= 0.900
n= 0.013 Corrugated PE, smooth interior, Flow Area= 0.79 sf
Primary OutFlow Max=4.36 cfs @ 11.97 hrs HW=251.48' TW=241.09' (Dynamic Tailwater)
L1=Culvert (Inlet Controls 4.36 cfs @ 5.55 fps)
Summary for Pond 5P: CB-5 TO CB-1
Inflow Area = 1.434 ac, 35.13% Impervious, Inflow Depth > 4.35" for 100-year event
Inflow = 10.45 cfs @ 11.99 hrs, Volume= 0.520 af
Outflow = 10.45 cfs @ 11.99 hrs, Volume= 0.520 af, Atten= 0%, Lag= 0.0 min
Primary = 10.45 cfs @ 11.99 hrs, Volume= 0.520 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 241.20' @ 11.99 hrs
Device Routing Invert Outlet Devices
#1 Primary 237.45' 15.0" Round Culvert
L= 444.0' CPP, square edge headwall, Ke= 0.500
Inlet/ Outlet Invert= 237.45' /220.30' S= 0.0386 '/' Cc= 0.900
n= 0.013 Corrugated PE, smooth interior, Flow Area= 1.23 sf
Primary OutFlow Max=10.43 cfs @ 11.99 hrs HW=241.19' TW=220.14' (Dynamic Tailwater)
L1=Culvert (Inlet Controls 10.43 cfs @ 8.50 fps)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 12
Summary for Pond 6P: CULVERT
Inflow Area = 1.273 ac, 29.09% Impervious, Inflow Depth > 4.20" for 100-year event
Inflow = 9.71 cfs @ 11.97 hrs, Volume= 0.446 af
Outflow = 9.71 cfs @ 11.97 hrs, Volume= 0.446 af, Atten= 0%, Lag= 0.0 min
Primary = 9.71 cfs @ 11.97 hrs, Volume= 0.446 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 263.55' @ 11.97 hrs
Device Routing Invert Outlet Devices
#1 Primary 261.50' 18.0" Round Culvert
L= 40.0' CPP, square edge headwall, Ke= 0.500
Inlet/ Outlet Invert= 261.50' /261.00' S= 0.0125 '/' Cc= 0.900
n= 0.013 Corrugated PE, smooth interior, Flow Area= 1.77 sf
Primary OutFlow Max=9.71 cfs @ 11.97 hrs HW=263.55' TW=260.81' (Dynamic Tailwater)
L1=Culvert (Inlet Controls 9.71 cfs @ 5.50 fps)
Summary for Pond F1: Pretreatment Check Dam
Inflow Area = 0.124 ac, 16.83% Impervious, Inflow Depth > 3.99" for 100-year event
Inflow = 0.91 cfs @ 11.97 hrs, Volume= 0.041 af
Outflow = 0.90 cfs @ 11.98 hrs, Volume= 0.039 af, Atten= 1%, Lag= 0.7 min
Primary = 0.90 cfs @ 11.98 hrs, Volume= 0.039 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 222.17' @ 11.98 hrs Surf.Area= 360 sf Storage= 154 cf
Plug-Flow detention time= 35.6 min calculated for 0.039 af(94% of inflow)
Center-of-Mass det. time= 14.5 min ( 779.8 - 765.2 )
Volume Invert Avail.Storage Storage Description
#1 221.00' 614 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
221.00 0 0.0 0 0 0
222.00 292 113.0 97 97 1,018
223.00 780 175.0 516 614 2,446
Device Routing Invert Outlet Devices
#1 Primary 222.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=0.90 cfs @ 11.98 hrs HW=222.17' TW=221.36' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 0.90 cfs @ 1.03 fps)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 13
Summary for Pond F2: Pretreatment Check Dam
Inflow Area = 0.032 ac, 48.65% Impervious, Inflow Depth > 4.63" for 100-year event
Inflow = 0.26 cfs @ 11.97 hrs, Volume= 0.012 af
Outflow = 0.25 cfs @ 11.98 hrs, Volume= 0.010 af, Atten= 1%, Lag= 0.7 min
Primary = 0.25 cfs @ 11.98 hrs, Volume= 0.010 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 221.07' @ 11.98 hrs Surf.Area= 233 sf Storage= 90 cf
Plug-Flow detention time= 75.7 min calculated for 0.010 af(86% of inflow)
Center-of-Mass det. time= 32.1 min ( 781.9 - 749.8 )
Volume Invert Avail.Storage Storage Description
#1 220.00' 408 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
220.00 0 0.0 0 0 0
221.00 218 95.0 73 73 720
222.00 468 110.0 335 408 985
Device Routing Invert Outlet Devices
#1 Primary 221.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=0.25 cfs @ 11.98 hrs HW=221.07' TW=220.22' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 0.25 cfs @ 0.68 fps)
Summary for Pond FB-1: FOREBAY
Inflow Area = 4.011 ac, 21.31% Impervious, Inflow Depth > 4.06" for 100-year event
Inflow = 29.83 cfs @ 11.97 hrs, Volume= 1.357 af
Outflow = 29.19 cfs @ 11.97 hrs, Volume= 1.356 af, Atten= 2%, Lag= 0.1 min
Primary = 29.19 cfs @ 11.97 hrs, Volume= 1.356 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Starting Elev= 260.00' Surf.Area= 1,543 sf Storage= 1,411 cf
Peak Elev= 260.92' @ 12.11 hrs Surf.Area= 2,369 sf Storage= 3,200 cf (1,789 cf above start)
Plug-Flow detention time= 20.5 min calculated for 1.323 af(97% of inflow)
Center-of-Mass det. time= 3.0 min ( 766.7 - 763.7 )
Volume Invert Avail.Storage Storage Description
#1 256.00' 6,104 cf Custom Stage Data (Irregular) Listed below(Recalc)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 14
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
256.00 0 0.0 0 0 0
257.00 30 21.0 10 10 37
258.00 207 59.0 105 115 282
259.00 480 83.0 334 449 562
260.00 1,543 156.0 961 1,411 1,956
261.00 2,447 215.0 1,978 3,388 3,707
262.00 2,993 220.0 2,715 6,104 3,985
Device Routing Invert Outlet Devices
#1 Primary 260.00' 15.0' long x 10.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64
Primary OutFlow Max=29.17 cfs @ 11.97 hrs HW=260.81' TW=260.05' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 29.17 cfs @ 2.40 fps)
Summary for Pond FB-2: FOREBAY
Inflow Area = 2.107 ac, 37.61% Impervious, Inflow Depth > 4.37" for 100-year event
Inflow = 15.69 cfs @ 11.98 hrs, Volume= 0.767 af
Outflow = 13.07 cfs @ 11.97 hrs, Volume= 0.766 af, Atten= 17%, Lag= 0.0 min
Primary = 13.07 cfs @ 11.97 hrs, Volume= 0.766 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Starting Elev= 219.50' Surf.Area= 2,058 sf Storage= 1,542 cf
Peak Elev= 220.44' @ 12.10 hrs Surf.Area= 2,724 sf Storage= 3,791 cf (2,249 cf above start)
Plug-Flow detention time= 36.0 min calculated for 0.731 af(95% of inflow)
Center-of-Mass det. time= 3.6 min ( 761.6 - 758.0 )
Volume Invert Avail.Storage Storage Description
#1 215.50' 5,426 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
215.50 0 0.0 0 0 0
216.00 21 18.0 4 4 26
217.00 146 45.0 74 78 165
218.00 376 70.0 252 330 401
219.00 730 100.0 543 873 816
219.50 2,058 165.0 669 1,542 2,188
220.00 2,400 177.0 1,113 2,655 2,526
221.00 3,159 202.0 2,771 5,426 3,303
Device Routing Invert Outlet Devices
#1 Primary 219.50' 15.0' long x 5.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00 4.50 5.00 5.50
Coef. (English) 2.34 2.50 2.70 2.68 2.68 2.66 2.65 2.65 2.65
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
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2.65 2.67 2.66 2.68 2.70 2.74 2.79 2.88
Primary OutFlow Max=13.08 cfs @ 11.97 hrs HW=220.06' TW=219.84' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 13.08 cfs @ 1.55 fps)
Summary for Pond SMP-1: WET POND
Inflow Area = 4.011 ac, 21.31% Impervious, Inflow Depth > 4.06" for 100-year event
Inflow = 29.19 cfs @ 11.97 hrs, Volume= 1.356 af
Outflow = 6.91 cfs @ 12.12 hrs, Volume= 1.325 af, Atten= 76%, Lag= 8.9 min
Primary = 6.91 cfs @ 12.12 hrs, Volume= 1.325 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Starting Elev= 257.00' Surf.Area= 4,041 sf Storage= 7,092 cf
Peak Elev= 260.91' @ 12.12 hrs Surf.Area= 8,909 sf Storage= 31,876 cf (24,784 cf above start)
Plug-Flow detention time= 168.3 min calculated for 1.161 af (86% of inflow)
Center-of-Mass det. time= 94.6 min ( 861.3 - 766.7 )
Volume Invert Avail.Storage Storage Description
#1 254.50' 42,433 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
254.50 1,760 180.0 0 0 1,760
255.00 2,156 194.0 977 977 2,187
256.00 3,041 224.0 2,586 3,563 3,207
257.00 4,041 252.0 3,529 7,092 4,294
258.00 5,108 281.0 4,564 11,656 5,552
259.00 6,283 305.0 5,685 17,342 6,709
260.00 7,686 345.0 6,973 24,315 8,803
261.00 9,031 361.0 8,349 32,664 9,769
262.00 10,527 386.0 9,769 42,433 11,301
Device Routing Invert Outlet Devices
#1 Primary 257.00' 18.0" Round Culvert
L= 87.0' CPP, square edge headwall, Ke= 0.500
Inlet/ Outlet Invert= 257.00' /256.50' S= 0.0057 '/' Cc= 0.900
n= 0.013 Corrugated PE, smooth interior, Flow Area= 1.77 sf
#2 Device 1 257.00' 12.0"W x 3.0" H Vert. Orifice/Grate C= 0.600
#3 Device 1 260.60' 24.0" x 24.0" Horiz. Orifice/Grate C= 0.600
Limited to weir flow at low heads
#4 Primary 261.00' 10.0' long x 10.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64
Primary OutFlow Max=6.91 cfs @ 12.12 hrs HW=260.91' TW=0.00' (Dynamic Tailwater)
1=Culvert (Passes 6.91 cfs of 13.76 cfs potential flow)
�2=0rifice/Grate (Orifice Controls 2.34 cfs @ 9.37 fps)
3=0rifice/Grate (Weir Controls 4.56 cfs @ 1.83 fps)
=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 16
Summary for Pond SMP-2: WET POND
Inflow Area = 2.756 ac, 29.47% Impervious, Inflow Depth > 4.20" for 100-year event
Inflow = 17.53 cfs @ 11.97 hrs, Volume= 0.965 af
Outflow = 7.18 cfs @ 12.10 hrs, Volume= 0.946 af, Atten= 59%, Lag= 8.2 min
Primary = 7.18 cfs @ 12.10 hrs, Volume= 0.946 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Starting Elev= 217.75' Surf.Area= 3,363 sf Storage= 6,478 cf
Peak Elev= 220.44' @ 12.10 hrs Surf.Area= 5,652 sf Storage= 19,001 cf (12,523 cf above start)
Plug-Flow detention time= 106.4 min calculated for 0.797 af (83% of inflow)
Center-of-Mass det. time= 29.8 min ( 793.5 - 763.7 )
Volume Invert Avail.Storage Storage Description
#1 214.25' 22,176 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
214.25 0 0.0 0 0 0
215.00 1,255 155.0 314 314 1,913
216.00 1,930 180.0 1,580 1,894 2,600
217.00 2,712 206.0 2,310 4,204 3,422
218.00 3,595 232.0 3,143 7,347 4,354
219.00 4,573 257.0 4,074 11,421 5,357
220.00 5,652 282.0 5,103 16,524 6,463
221.00 5,652 282.0 5,652 22,176 6,745
Device Routing Invert Outlet Devices
#1 Primary 217.75' 15.0" Round Culvert
L= 112.0' CPP, square edge headwall, Ke= 0.500
Inlet/ Outlet Invert= 217.75' /217.00' S= 0.0067 '/' Cc= 0.900
n= 0.013 Corrugated PE, smooth interior, Flow Area= 1.23 sf
#2 Device 1 217.75' 10.0"W x 8.0" H Vert. Orifice/Grate C= 0.600
#3 Device 1 220.00' 24.0" x 24.0" Horiz. Orifice/Grate C= 0.600
Limited to weir flow at low heads
#4 Primary 220.50' 10.0' long x 10.0' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60
Coef. (English) 2.49 2.56 2.70 2.69 2.68 2.69 2.67 2.64
Primary OutFlow Max=7.18 cfs @ 12.10 hrs HW=220.44' TW=0.00' (Dynamic Tailwater)
1=Culvert (Barrel Controls 7.18 cfs @ 5.85 fps)
�2=0rifice/Grate (Passes < 4.10 cfs potential flow)
3=0rifice/Grate (Passes < 7.58 cfs potential flow)
=Broad-Crested Rectangular Weir ( Controls 0.00 cfs)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
Prepared by The LA Group Printed 4/8/2020
HydroCAD� 10.00-21 s/n 00439 O 2018 HydroCAD Software Solutions LLC Page 17
Summary for Pond SMP-4.1: Wet Swale
Inflow Area = 0.382 ac, 23.12% Impervious, Inflow Depth > 4.06" for 100-year event
Inflow = 2.86 cfs @ 11.97 hrs, Volume= 0.129 af
Outflow = 2.85 cfs @ 11.98 hrs, Volume= 0.127 af, Atten= 0%, Lag= 0.4 min
Primary = 2.85 cfs @ 11.98 hrs, Volume= 0.127 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 221.37' @ 11.98 hrs Surf.Area= 298 sf Storage= 167 cf
Plug-Flow detention time= 10.9 min calculated for 0.127 af(99% of inflow)
Center-of-Mass det. time= 5.3 min ( 771.6 - 766.3 )
Volume Invert Avail.Storage Storage Description
#1 220.00' 408 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
220.00 0 0.0 0 0 0
221.00 218 95.0 73 73 720
222.00 468 110.0 335 408 985
Device Routing Invert Outlet Devices
#1 Primary 221.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=2.85 cfs @ 11.98 hrs HW=221.37' TW=220.36' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 2.85 cfs @ 1.56 fps)
Summary for Pond SMP-4.2: Wet Swale
Inflow Area = 0.382 ac, 23.12% Impervious, Inflow Depth > 4.01" for 100-year event
Inflow = 2.85 cfs @ 11.98 hrs, Volume= 0.127 af
Outflow = 2.84 cfs @ 11.99 hrs, Volume= 0.126 af, Atten= 0%, Lag= 0.3 min
Primary = 2.84 cfs @ 11.99 hrs, Volume= 0.126 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 220.36' @ 11.99 hrs Surf.Area= 234 sf Storage= 136 cf
Plug-Flow detention time= 8.1 min calculated for 0.126 af (99% of inflow)
Center-of-Mass det. time= 3.3 min ( 774.9 - 771.6 )
Volume Invert Avail.Storage Storage Description
#1 219.00' 318 cf Custom Stage Data (Irregular) Listed below(Recalc)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
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Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
219.00 0 0.0 0 0 0
220.00 182 72.0 61 61 414
221.00 341 83.0 257 318 570
Device Routing Invert Outlet Devices
#1 Primary 220.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=2.83 cfs @ 11.99 hrs HW=220.36' TW=219.36' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 2.83 cfs @ 1.56 fps)
Summary for Pond SMP-4.3: Wet Swale
Inflow Area = 0.382 ac, 23.12% Impervious, Inflow Depth > 3.96" for 100-year event
Inflow = 2.84 cfs @ 11.99 hrs, Volume= 0.126 af
Outflow = 2.83 cfs @ 11.99 hrs, Volume= 0.125 af, Atten= 0%, Lag= 0.3 min
Primary = 2.83 cfs @ 11.99 hrs, Volume= 0.125 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 219.36' @ 11.99 hrs Surf.Area= 230 sf Storage= 134 cf
Plug-Flow detention time= 7.6 min calculated for 0.124 af (99% of inflow)
Center-of-Mass det. time= 2.8 min ( 777.7 - 774.9 )
Volume Invert Avail.Storage Storage Description
#1 218.00' 312 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
218.00 0 0.0 0 0 0
219.00 180 73.0 60 60 426
220.00 332 83.0 252 312 572
Device Routing Invert Outlet Devices
#1 Primary 219.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=2.83 cfs @ 11.99 hrs HW=219.36' TW=218.36' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 2.83 cfs @ 1.56 fps)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
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Summary for Pond SMP-4.4: Wet Swale
Inflow Area = 0.382 ac, 23.12% Impervious, Inflow Depth > 3.92" for 100-year event
Inflow = 2.83 cfs @ 11.99 hrs, Volume= 0.125 af
Outflow = 2.82 cfs @ 12.00 hrs, Volume= 0.122 af, Atten= 0%, Lag= 0.4 min
Primary = 2.82 cfs @ 12.00 hrs, Volume= 0.122 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 218.36' @ 12.00 hrs Surf.Area= 298 sf Storage= 214 cf
Plug-Flow detention time= 13.2 min calculated for 0.122 af(98% of inflow)
Center-of-Mass det. time= 4.2 min ( 781.9 - 777.7 )
Volume Invert Avail.Storage Storage Description
#1 216.50' 444 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
216.50 0 0.0 0 0 0
218.00 235 90.0 118 118 648
219.00 428 101.0 327 444 841
Device Routing Invert Outlet Devices
#1 Primary 218.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=2.82 cfs @ 12.00 hrs HW=218.36' TW=0.00' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 2.82 cfs @ 1.55 fps)
Summary for Pond SMP-5.1: Wet Swale
Inflow Area = 0.165 ac, 33.48% Impervious, Inflow Depth > 4.16" for 100-year event
Inflow = 1.27 cfs @ 11.97 hrs, Volume= 0.057 af
Outflow = 1.27 cfs @ 11.98 hrs, Volume= 0.056 af, Atten= 0%, Lag= 0.4 min
Primary = 1.27 cfs @ 11.98 hrs, Volume= 0.056 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 220.22' @ 11.98 hrs Surf.Area= 204 sf Storage= 98 cf
Plug-Flow detention time= 17.7 min calculated for 0.056 af(98% of inflow)
Center-of-Mass det. time= 8.0 min ( 772.4 - 764.4 )
Volume Invert Avail.Storage Storage Description
#1 219.00' 309 cf Custom Stage Data (Irregular) Listed below(Recalc)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
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Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
219.00 0 0.0 0 0 0
220.00 172 72.0 57 57 414
221.00 341 83.0 252 309 570
Device Routing Invert Outlet Devices
#1 Primary 220.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=1.27 cfs @ 11.98 hrs HW=220.22' TW=219.22' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 1.27 cfs @ 1.16 fps)
Summary for Pond SMP-5.2: Wet Swale
Inflow Area = 0.165 ac, 33.48% Impervious, Inflow Depth > 4.06" for 100-year event
Inflow = 1.27 cfs @ 11.98 hrs, Volume= 0.056 af
Outflow = 1.26 cfs @ 11.98 hrs, Volume= 0.055 af, Atten= 0%, Lag= 0.4 min
Primary = 1.26 cfs @ 11.98 hrs, Volume= 0.055 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 219.22' @ 11.98 hrs Surf.Area= 203 sf Storage= 99 cf
Plug-Flow detention time= 15.3 min calculated for 0.055 af(98% of inflow)
Center-of-Mass det. time= 5.6 min ( 778.0 - 772.4 )
Volume Invert Avail.Storage Storage Description
#1 218.00' 306 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
218.00 0 0.0 0 0 0
219.00 173 73.0 58 58 426
220.00 332 83.0 248 306 572
Device Routing Invert Outlet Devices
#1 Primary 219.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=1.26 cfs @ 11.98 hrs HW=219.22' TW=218.22' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 1.26 cfs @ 1.16 fps)
Post Development Type 1124-hr 100-year Rainfa11=6.20"
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Summary for Pond SMP-5.3: Wet Swale
Inflow Area = 0.165 ac, 33.48% Impervious, Inflow Depth > 3.97" for 100-year event
Inflow = 1.26 cfs @ 11.98 hrs, Volume= 0.055 af
Outflow = 1.26 cfs @ 11.99 hrs, Volume= 0.053 af, Atten= 1%, Lag= 0.5 min
Primary = 1.26 cfs @ 11.99 hrs, Volume= 0.053 af
Routing by Dyn-Stor-Ind method, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs/3
Peak Elev= 218.22' @ 11.99 hrs Surf.Area= 271 sf Storage= 133 cf
Plug-Flow detention time= 18.8 min calculated for 0.053 af(97% of inflow)
Center-of-Mass det. time= 5.7 min ( 783.7 - 778.0 )
Volume Invert Avail.Storage Storage Description
#1 217.00' 404 cf Custom Stage Data (Irregular) Listed below(Recalc)
Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area
(feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft)
217.00 0 0.0 0 0 0
218.00 234 90.0 78 78 646
219.00 428 101.0 326 404 839
Device Routing Invert Outlet Devices
#1 Primary 218.00' 5.0' long x 2.5' breadth Broad-Crested Rectangular Weir
Head (feet) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00
2.50 3.00 3.50 4.00
Coef. (English) 2.48 2.60 2.60 2.60 2.64 2.65 2.68 2.75 2.74
2.76 2.89 3.05 3.19 3.32
Primary OutFlow Max=1.26 cfs @ 11.99 hrs HW=218.22' TW=0.00' (Dynamic Tailwater)
L1=Broad-Crested Rectangular Weir (Weir Controls 1.26 cfs @ 1.16 fps)
Summary for Link 4L: AP-1
Inflow Area = 2.606 ac, 0.00% Impervious, Inflow Depth > 3.48" for 100-year event
Inflow = 12.78 cfs @ 12.07 hrs, Volume= 0.755 af
Primary = 12.78 cfs @ 12.07 hrs, Volume= 0.755 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Summary for Link 5L: AP-2
Inflow Area = 24.563 ac, 4.58% Impervious, Inflow Depth > 3.55" for 100-year event
Inflow = 90.54 cfs @ 12.14 hrs, Volume= 7.267 af
Primary = 90.54 cfs @ 12.14 hrs, Volume= 7.267 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Post Development Type 1124-hr 100-year Rainfa11=6.20"
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Summary for Link 6L: AP-3
Inflow Area = 7.568 ac, 12.78% Impervious, Inflow Depth > 3.68" for 100-year event
Inflow = 22.14 cfs @ 12.17 hrs, Volume= 2.323 af
Primary = 22.14 cfs @ 12.17 hrs, Volume= 2.323 af, Atten= 0%, Lag= 0.0 min
Primary outflow= Inflow, Time Span= 4.00-20.00 hrs, dt= 0.01 hrs
Attachment D
Storm Data
Stormwater Practice Sizing
Job Name and# Kaydeross Ave East
Water Quality Volume Calculation
4/8/2020
WQv= ��P)�R�)�A)�/12
Where:
Rv=0.05 + 0.009(I)
I = impervious cover in percent
P = 90% rainfall (see Figure 4.1 in NYS Stormwater Management Design Manual)
A=Area in acres
Refer to the Stormwater Planning and Practice Worksheet for Full WQv and RRv Calculations
Refer to the Vegetated Swale Worksheet for Vegetated Swale Calculations
Provided WQv
SMP-1 Pocket Pond DA: 2e
% Impervious 21.32%
Rv 0.24
90% Rainfall 1.15
Area in Square Feet 174,719
WQv Calculated = 4049 ft3 0.093 ac-ft
SMP-1A Rooftop Disconnection
% Impervious 100.00%
Rv 0.95
90% Rainfall 1.15
Area in Square Feet 6,000
WQv Calculated = 546 ft3 0.013 ac-ft
SMP-2 Pocket Pond DA: 2b, 2c, 3b, 3d
% Impervious 29.46%
Rv 0.32
90% Rainfall 1.15
Area in Square Feet 120,051
WQv Calculated = 3626 ft3 0.083 ac-ft
SMP-2A Rooftop Disconnection
% Impervious 100.00%
Rv 0.95
90% Rainfall 1.15
Area in Square Feet 4,500
WQv Calculated = 410 ft� 0.009 ac-ft
SMP-3 Rooftop Disconnection DA: 2A
% Impervious 100.00%
Rv 0.95
90% Rainfall 1.15
Area in Square Feet 9,000
WQv Calculated = 819 ft3 0.019 ac-ft
SM P-4: Wet Swale DA:3e
% Impervious 23.04%
Rv 0.26
90% Rainfall 1.15
Area in Square Feet 16,640
WQv Calculated = 410 ft3 I 0.009 ac-ft
SM P-5: Wet Swale DA: 3f
% Impervious 33.33%
Rv 0.35
90% Rainfall 1.15
Area in Square Feet 7,187
WQv Calculated = 241 ft3 I 0.006 ac-ft
WQv Provided = 7675 ft3 I 0.232 ac-ft
RRv Provided (Sum of Rooftop
Disconnection)= 1775 ft3 I 0.041 ac-ft
Job Name and# Kaydeross Ave East
Minimum Runoff Reduction Volume
4/3/2020
RRv= �(P)(Rv*)(Ai)J/12
Where:
Ai=(S)(Aic)
Rv=0.05 +0.009(I)where I is 100%impervious
Ai=impervious cover targeted for runoff reduction
Aic= Total area of new impervious cover
P=90%rainfall(see Figure 4.1 in NYS Stormwater Management Design Manual)
S =Hydrologic Soil Group (HSG) Specific Reduction Factor(S)
A=0.55,B=0.40, C=0.30, D=0.20
S (HSG D) 0.20
Aic 2.012 acres
Rv(Minimum 0.2) 0.95
90%Rainfall 1.15
Ai 0.402
RRv= 0.037 acre feet= 1,596 ft�
Job Name Kaydeross Avenue
Channel Protection Volume Calculation
Pre Development
Step 1: Determine Qu
P = 2.15 in. (1-yr. storm)
Area= 34.7 acres
CN= 77
Ia= 0.597
Ia/P = 0.28
Tc = 0.50 Hrs.
Using Figure 4-II, TR-55 and Tc, determine Qu (csm/in)
Qu= 475 csm/in
Step 2: Determine Qo/Qi
Using Figure B-1, DEC Manual Appendix B for T= 24 hrs. and Qu, determine Qo/Qi
Qo/Qi = 0.03 5
Step 3: Determine Vs/Vr
Vs/Vr= 0.682 - 1.43(Qo/Qi) + 1.64 (Qo/Qi)^2 - 0.804 (Qo/Qi)^3
Vs/Vr= 0.634
Step 4: Determine Qd
Using Figure 2.1, TR-55 or SCS TR-16 and P, determine Qd (in of runof�
Qd= 0.45 in
Step 5: Determine Cpv
Area= 34.74 acres
Cpv= Vs = (Vs/Vr) * Qd * A/12
Cpv= 0.826 ac-ft
Cpv= 35971 ft3
Cpv Req.= 35971 ft3
Job Name Kaydeross Avenue
Channel Protection Volume Calculation
Post Development
Step 1: Determine Qu
P = 2.15 in. (1-yr. storm)
Area= 34.7 acres
CN= 79
Ia= 0.532
Ia/P= 025
Tc = 0.44 Hrs.
Using Figure 4-II, TR-55 and Tc, determine Qu (csm/in)
Qu= 515 csm/in
Sten 2: Determine Oo/Oi
Using Figure B-1, DEC Manual Appendix B for T=24 hrs. and Qu, determine Qo/Qi
Qo/Qi = 0.04
Step 3: Determine Vs/Vr
Vs/Vr=0.682 - 1.43(Qo/Qi) + 1.64 (Qo/Qi)^2 - 0.804 (Qo/Qi)^3
Vs/Vr= 0.627
Step 4: Determine Od
Using Figure 2.1, TR-55 or SCS TR-16 and P, determine Qd (in of runoffl
Qd= 0.475 in
Step 5: Determine Cpv
Area= 34.74 acres
Cpv=Vs=(Vs/Vr) * Qd * A/12
Cpv= 0.863 ac-ft
Cpv Post= 37577 ft3
Cpv Pre= 35971 ft3
Cpv Req.= 1606 ft3
RRv Provided 1786 ft3
Cpv Req.= -180 ft3
Appendix C
Map Set
Appendix D
SWPPP Inspection Form
Kaydeross Avenue Conservation Subdivision
WEEKLY SWPPP INSPECTION REPORT
Ins ector Name: Date:
Si nature re uired : Time:
Weather: Ins ection #:
Soil Conditions (dry, saturated, etc):
Note: Digital photos,with date stamp required for all practices requiring corrective action, before and
after, to be attached to the inspection report.
YES NO N/A
1. ❑ ❑ ❑ Routine Inspection. Date of last inspection:
2. Inspection following rain event. Date/time of storm ending:
❑ ❑ ❑ Rainfall amount:
Recorded by:
3. ❑ ❑ ❑ Is this a final site inspection?
4. ❑ ❑ ❑ Has site undergone final stabilization?
❑ ❑ ❑ If so, have all temporary erosion and sediment controls been removed?
Site Disturbance (Indicate Locations on Plan)
YES NO N/A
1. ❑ ❑ ❑ Areas previously disturbed, but have not undergone active site work in the last 14 days?
2. ❑ ❑ ❑ Areas disturbed within last 14 days?
3. ❑ ❑ ❑ Areas expected to be disturbed in next 14 days?
4. � � � Do areas of steep slopes or complex stabilization issues exist?
If"YES" explain:
5. � � � Are there currently more than 5 acres of disturbed soil at the site? If so make sure there is an
approval letter from NYS DEC.
Additional Comments:
Inspection of Erosion and Sediment Control Devices
Type of Control Device Accumulation (if any) in % Repairs/Maintenance Needed
1.
2.
3.
4.
5.
6.
Stabilization/Runoff
YES NO N/A
1. ❑ ❑ ❑ Are all existing disturbed areas contained by control devices? Type of devices:
2• ❑ ❑ ❑ Are there areas that require stabilization within the next 14 days? Specify Area:
3. ❑ ❑ ❑ Have stabilization measures been initiated in inactive areas?
4• ❑ ❑ ❑ Is there current snow cover or frozen ground conditions?
5• ❑ ❑ ❑ Rills or gullies?
6• ❑ ❑ ❑ Slumping/deposition?
7• ❑ ❑ ❑ Loss of vegetation?
8. ❑ ❑ ❑ Lack of germination?
9. ❑ ❑ ❑ Loss of mulching?
Receiving Structures/Water Bodies (Indicate locations where runoff leaves the project site on the site plan)
YES NO N/A
1. ❑ ❑ ❑ Surface water swale or natural surface waterbody?
If natural waterbody:
Is waterbody located ❑ onsite, or ❑ adjacent to property boundary?
Description of condition:
2• ❑ ❑ ❑ Municipal or community system?
Inspect locations where runoff from project site enters the receiving waters and indicate if there is
evidence of:
a• ❑ ❑ ❑ Rills or gullies?
b• ❑ ❑ ❑ Slumping/deposition?
�• ❑ ❑ ❑ Loss of vegetation?
d• ❑ ❑ ❑ Undermining of structures?
e. ❑ ❑ ❑ Was there a discharge into the receiving water on the day of inspection?
f. ❑ ❑ ❑ Is there evidence of turbidity, sedimentation, or oil in the receiving waters?
Additional Comments:
Inspection of Post-Construction Stormwater Management Control Devices
Type of Control Device Phase of Construction Repairs/Maintenance Needed
1.
2.
3.
4.
General Site Condition
YES NO N/A
1. ❑ ❑ ❑ Have action items from previous reports been addressed?
2. ❑ ❑ ❑ Does routine maintenance of protection components occur on a regular basis?
3. ❑ ❑ ❑ Does cleaning and/or sweeping affected roadways occur, at minimum, daily?
4• ❑ ❑ ❑ Is debris and litter removed on a monthly basis, or as necessary?
5• ❑ ❑ ❑ Is the site maintained in an orderly manner?
Describe the condition of all natural waterbodies within or adjacent to the Project that receive runoff from the site:
Contractors progress over last 7 days:
Anticipated work to be begun in the next 7 days:
Additional Comments:
Visual Observations
YES NO N/A
1. ❑ ❑ ❑ All erosion and sediment control measures have been installed/constructed?
2• ❑ ❑ ❑ All erosion and sediment control measures are being maintained properly?
SUMMARY OF ACTION ITEMS TO REPAIR/REPLACE/MAINTAIN/CORRECT DEFICIENCIES
Action Reported To (no signature required):
Company:
Appendix E
Other SWPPP Forms
Construction Sequence
SWPPP Plan Changes
Spill Response Form
Stormwater Management Practice Maintenance Log
The operator shall prepare a summary of construction status using the Construction
Sequence Form below once every month. Significant deviations to the sequence and
reasons for those deviations (i.e. weather, subcontractor availability, etc.), shall be
noted by the contractor. The schedule shall be used to record the dates for initiation of
construction, implementation of erosion control measures, stabilization, etc. A copy of
this table will be maintained at the construction site and updated in addition to the
individual Inspection Reports completed for each inspection.
Construction Sequence Form
Construction Activities Date
(Identify name of planned practices) Complete
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
STORM WATER POLLUTION PREVENTION PLAN
PLAN CHANGES, AUTHORIZATION, AND CHANGE CERTIFICATION
CHANGES REQUIRED TO THE POLLUTION PREVENTION PLAN:
REASONS FOR CHANGES:
REQUESTED BY:
DATE:
AUTHORIZED BY:
DATE:
CERTIFICATION OF CHANGES:
I certify under penalty of law that this document and all attachments were prepared
under my direction or supervision in accordance with a system designed to assure that
qualified personnel properly gathered and evaluated the information submitted. Based
on my inquiry of the person or persons who manage the system, or those persons
directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief, true, accurate, and complete. I am aware that false
statements made herein are punishable as a Class A misdemeanor pursuant to Section
210.45 of the penal code.
SIGNATURE:
DATE:
SPILL RESPONSE REPORT
Within 1 hour of a spill discovery less than 2 gallons in volume the following must be
notified:
Witt Construction
(518) 587-4113
Within 1 hour of a spill discovery greater than 2 gallons the following must be notified:
Witt Construction
NYSDEC Spill Response Hotline 1-800-457-7362
Spill Response Contractor
Material Spilled:
Approximate Volume:
Location:
Distance to nearest down gradient drainage:
Distance to nearest down gradient open water:
Temporary control measures in place:
Appendix F
SPDES General Permit GP-0-20-001
NEW YORK p@PartmenC of PREFACE
`a�::�`i„H��. Enviranmental
—'� Conservation
� Pursuant to Section 402 of the Clean Water Act("CWA"),stormwater discharges
from certain cons[ruc[ion ac[ivi[ies are unlawful unless they are authorized by a Na[ional
NF6"J YOHK STATE Pollu[an[Discharge Elimina[ion Sys[em(`NPDES")permit or by a state permit program.
❑EPARTMENT pF ENVIROf3MENTAI.C�NStRVRTION New York administers the approved State Pollutant Discharge Elimination System
(SPDES)program with permits issued in accordance with the New York State
SPOES GE.NERAk..PERMIT Environmental Conservation Law(ECL)Article 17,Titles 7,8 and Article 70.
FD�R STORNIWATEfi OISCFWRGES
From An owneroropera[orof a cons[ruc[ion ac[ivirythat is eligible for coverage under
this permit must obtain coverage prior to the commencemen[of cons[ruc[ion ac[iviry.
CONSTRl1CTI�N ACTIV17Y Activities that fit the defnition of"cons[ruc[ion ac[iviry',as defined under 40 CFR
122.26(b)(14)(x),(15)(i),and(15)(ii),constitute construction of a poin[source and
Permit Mo.GP-p-PO-001 therefore,pursuantto ECL section 17-0505 and 17-0701,the owneroropera[ormust
have coverage under a SPDES permit prior to commencing conshuc[ion ac[ivity.The
Issued Pursuanl la Art�cle 17,7itles 7.8 and Article 70 owneroropera[orcannotwait until there is an actual discharge from the cons[ruc[ion si[e
of the Environmealal Conservation Law to obtain permit coverage.
*Note:The italicized words/phrases within this permit are defined in Appendix A.
Effective C)ate January 29,292U Exp�ration C1ate:January 28,2Q25
Ja:�ri J.Feryi+san
Chief Pennit AdminisYra[ar
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625 Braadway,41h Floor
Ai6any.N.Y. 92233-1?50
NEW YORK STATE DEPARTMENT OF ENVIRONMENTAL CONSERVATION K. Requirementto Obtain Coverage Under an Alternative Permit...........................35
SPDES GENERAL PERMIT FOR STORMWATER DISCHARGES FROM L. Proper Operation and Maintenance....................................................................36
CONSTRUCTION ACTIVITIES M. Inspection and Entry...........................................................................................36
N. PermitActions.....................................................................................................37
Table of Contents o. oefinitions...........................................................................................................37
P. Re-OpenerClause..............................................................................................37
Part 1.PERMIT COVERAGE AND LIMITATIONS.............................................................1 Q� Penalties for Falsification of Forms and Reports.................................................37
A. PermitApplication.................................................................................................1
R. Other Permits......................................................................................................38
B. Effluent Limitations Applicable to Discharges from Construction Activities...........1 APPENDIX A—Acronyms and Definitions.......................................................................39
C. Post-construction Stormwater Management Practice Requirements....................4 Acronyms......................................................................................................................39
D. Maintainin Water Qualit .. . . . . 8 Definitions.....................................................................................................................40
9 Y............................................................................... APPENDIX B—Required SWPPP Components by Project Type....................................48
E. Eligibility UnderThis General Permit.....................................................................9
F. Activities Which Are Ineligible for Coverage Under This General Permit..............9 Table 1..........................................................................................................................48
Table2..........................................................................................................................50
Part II.PERMIT COVERAGE...........................................................................................12 APPENDIX C—Watersheds Requiring Enhanced Phosphorus Removal........................52
A. How to Obtain Coverage.....................................................................................12 APPENDIX D—Watersheds with Lower Disturbance Threshold.....................................58
B. Notice of Intent(NOI)Submittal..........................................................................13 APPENDIX E—303(d)Segments Impaired by Construction Related Pollutant(s)...........59
C. PermitAuthorization............................................................................................13 .
D. General Requirements For Owners or Operators With Permit Coverage...........15 APPENDIX F—List of NYS DEC Regional Offices..........................................................65
E. Permit Coverage for Discharges Authorized Under GP-0-15-002.......................17
F. Change of Owner or Operator.............................................................................17
Part III.STORMWATER POLLUTION PREVENTION PLAN(SWPPP)...........................18
A. General SWPPP Requirements..........................................................................18
B. Required SWPPP Contents................................................................................20
C. Required SWPPP Components by ProjectType.................................................24
Part IV.INSPECTION AND MAINTENANCE REQUIREMENTS.....................................24
A. General Construction Site Inspection and Maintenance Requirements..............24
B. Contractor Maintenance Inspection Requirements.............................................24
C. Qualified Inspector Inspection Requirements......................................................25
Part V.TERMINATION OF PERMIT COVERAGE...........................................................29
A. Termination of Permit Coverage.........................................................................29
Part VI.REPORTING AND RETENTION RECORDS......................................................31
A. Record Retention................................................................................................31
B. Addresses...........................................................................................................31
Part VII.STANDARD PERMIT CONDITIONS..................................................................31
A. Duty to Comply....................................................................................................31
B. Continuation of the Expired General Permit........................................................32
C. Enforcement........................................................................................................32
D. Need to Halt or Reduce Activity Not a Defense...................................................32
E. DutytoMitigate...................................................................................................33
F. Duty to Provide Information.................................................................................33
G. Other Information................................................................................................33
H. Signatory Requirements......................................................................................33
I. PropertyRights...................................................................................................35
J. Severability..........................................................................................................35
(Parc i)
Part 1.PERMIT COVERAGE AND LIMITATIONS (��rc�.B.��
deviation or alternative design and provide information which demonstrates that
A. Permit Application the deviation or alternative design is equivalen[to the technical standard.
This permit authorizes stormwater discharges to surface wa[ers of[he S[a[e from a. Erosion and Sediment Controls.Design,install and maintain effective
the following cons[ruc[ion ac[ivi[ies identified within 40 CFR Parts 12226(b)(14)(x), erosion and sediment controls to minimize the discharge of pollu[an[s and
12226(b)(15)(i)and 122.26(b)(15)(ii),provided all of the eligibility provisions of this prevent a violation of the wa[er qualiry s[andards.At a minimum,such
permit are met: controls must be designed,installed and maintained to:
1. Cons[ruc[ion ac[ivi[ies involving soil disturbances of one(1)or more acres; (i) Minimize soil erosion through application of runoff control and soil
including disturbances of less than one acre that are part of a largercommon stabilization control measure to minimize pollu[an[discharges;
plan of developmen[or sale that will ultimately disturb one or more acres of
land;excluding rou[ine main[enance ac[iviry that is pertormed to maintain the (ii) Control stormwater discharges,including both peak flowrates and total
original line and grade,hydraulic capacity or original purpose of a facility; stormwater volume,to minimize channel and s[reambank erosion and
scour in the immediate vicinity of the discharge points;
2. Cons[ruc[ion ac[ivi[ies involving soil disturbances of less than one(1)acre
where the Department has determined that a SPDES permit is required for (iii) Minimize the amount of soil exposed during cons[ruc[ion ac[iviry;
stormwater discharges based on the potential for contribution to a violation of a
wa[er qualiry s[andard or for significant contribution of pollu[an[s to surtace (iv) Minimize the disturbance of s[eep slopes;
wa[ers of[he S[a[e.
(v) Minimize sediment discharges from the site;
3. Cons[ruc[ion ac[ivi[ies located in the watershed(s)identified in Appendix D that
involve soil disturbances between five thousand(5,000)square feet and one (vi) Provide and maintain na[ural buffers around surtace waters,direct
(1)acre of land. stormwater to vegetated areas and maximize stormwater infiltration to
reduce pollu[an[discharges,unless infeasible;
B. Effluent Limitations Applicable to Discharges from Construction Activities (vii) Minimize soil compaction.Minimizing soil compaction is not required
where the intended function of a specific area of the site dictates that it
Discharges authorized by this permit must achieve, at a minimum, the effluent be compacted;
limitations in Part I.B.1.(a)—(f)of this permit.These limitations representthe degree of
effluent reduction attainable by the application of best practicable technology currently (viii)Unless infeasible,preserve a sufficient amount of topsoil to complete
available. soil restoration and establish a uniform,dense vegetative cover;and
1. ErosionandSedimentControlRequirements-Theowneroropera[ormust
select,design,install,implement and maintain control measures to minimize (ix) Minimize dust.On areas of exposed soil,minimize dust through the
the discharge of pollu[an[s and prevent a violation of the wa[er quality appropriate application of water or other dust suppression techniques
s[andards.The selection,design,installation,implementation,and to control the generation of pollutants that could be discharged from
maintenance of these control measures must meet the non-numeric effluent the site.
limitations in Part I.B.1.(a)—(f)of this permit and be in accordance with the
New York State Standards and Specifications for Erosion and Sediment b. Soil Stabilization.In areas where soil disturbance activity has temporarily
Control,dated November 2016,using sound engineering judgment.Where or permanently ceased,the application of soil stabilization measures must
control measures are not designed in conformance with the design criteria be initiated by the end of the next business day and completed within
included in the technical standard,the owneroropera[or must include in the fourteen(14)days from the date the current soil disturbance activity ceased.
S[ormwa[er Pollu[ion Preven[ion Plan("SWPPP")the reason(s)for the For construction sites that direc[ly discharge to one of the 303(d)segments
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listed in Appendix E or is located in one of the watersheds listed in (iii) Fuels,oils,or other pollu[an[s used in vehicle and equipment operation
Appendix C,the application of soil stabilization measures must be initiated and maintenance;
by the end of the next business day and completed within seven(7)days
from the date the current soil disturbance activity ceased.See Appendix A (iv) Soaps or solvents used in vehicle and equipment washing;and
for definition of Temporarily Ceased.
(v) Toxic or hazardous substances from a spill or other release.
c. Dewatering.Discharges from dewa[ering activities,including discharges
from dewa[ering of trenches and excavations,must be managed by f. Surtace Outlets.When discharging from basins and impoundments,the
appropriate control measures. outlets shall be designed,constructed and maintained in such a manner
that sediment does not leave the basin or impoundment and that erosion at
d. Pollution Prevention Measures.Design,install,implement,and maintain or below the outlet does not occur.
effective pollution prevention measures to minimize the discharge of C. Post-construction Stormwater Management Practice Requirements
pollu[an[s and prevent a violation of the wa[er quality s[andards.At a
minimum,such measures must be designed,installed,implemented and 1. The owneroropera[orof a cons[ruc[ion ac[ivirythat requires post-construction
maintained to: stormwater management practices pursuant to Part III.C.of this permit must
select,design,install,and maintain the practices to meetthe pertormance
(i) Minimize the discharge of pollu[an[s from equipment and vehicle cri[eria in the New York State Stormwater Management Design Manual
washing,wheel wash water,and other wash waters.This applies to ("Design Manuaf'),dated January 2015,using sound engineering judgment.
washing operations that use clean water only.Soaps,detergents and Where post-construction stormwater management practices("SMPs")are not
solvents cannot be used; designed in conformance with the pertormance cri[eria in the Design Manual,
the owner or opera[or must include in the SWPPP the reason(s)for the
(ii) Minimize the exposure of building materials,building products, deviation or alternative design and provide information which demonstrates that
construction wastes,trash,landscape materials,fertilizers,pesticides, the deviation or alternative design is equivalen[to the technical standard.
herbicides,detergents,sanitary waste,hazardous and toxic waste,and
other materials present on the site to precipitation and to stormwater. 2. The owneror opera[or of a cons[ruc[ion ac[iviry that requires post-construction
Minimization of exposure is not required in cases where the exposure stormwater management practices pursuantto Part III.C.of this permit must
to precipitation and to stormwater will not result in a discharge of design the practices to meet the applicable sizing cri[eria in Part I.C.2.a.,b.,c.
pollu[an[s,or where exposure of a specific material or product poses or d.of this permit.
little risk of stormwater contamination(such as final products and
materials intended for outdoor use);and a. Sizing Criteria for New Development
(iii) Prevent the discharge of pollu[an[s from spills and leaks and (i) Runoff Reduction Volume("RRd'): Reduce the total Water Quality
implement chemical spill and leak prevention and response Volume("WQv")by application of RR techniques and standard SMPs
procedures. with RRv capacity.The total WQv shall be calculated in accordance
with the criteria in Section 4.2 of the Design Manual.
e. Prohibited Discharges.The following discharges are prohibited:
(ii) Minimum RRv and Treatment of Remaining Total WQv:Construction
(i) Wastewater from washout of concrete; activities that cannot meet the criteria in Part I.C.2.a.(i)of this permit
due to site limitations shall direct runoff from all newly constructed
(ii) Wastewater from washout and cleanout of stucco,paint,form release impervious areas to a RR technique or standard SMP with RRv
oils,curing compounds and other construction materials; capacity unless infeasible.The specific site limitations that preventthe
reduction of 100%of the WQv shall be documented in the SWPPP.
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(Parc i.cza.�ii) (Parc i c z.e i)
For each impervious area that is not directed to a RR technique or calculated in accordance with the criteria in Section 10.3 of the Design
standard SMP with RRv capacity,the SWPPP must include Manual.
documentation which demonstrates that all options were considered
and for each option explains why it is considered infeasible. (ii) Minimum RRv and Treatment of Remaining Total WQv:Cons[ruc[ion
In no case shall the runoff reduction achieved from the newly ac[ivi[ies that cannot meet the criteria in Part I.C.2.b.(i)of this permit
constructed impervious areas be less than the Minimum RRv as due to si[e limi[a[ions shall direct runoff from all newly constructed
calculated using the criteria in Section 4.3 of the Design Manual. impervious areas to a RR technique or standard SMP with RRv
The remaining portion of the total WQv that cannot be reduced shall be capacity unless infeasible.The specific si[e limi[a[ions that prevent the
treated by application of standard SMPs. reduction of 100%of the WQv shall be documented in the SWPPP.
For each impervious area that is not directed to a RR technique or
(iii) Channel Protection Volume("Cpv"):Provide 24 hour extended standard SMP with RRv capacity,the SWPPP must include
detention of the post-developed 1-year,24-hour storm event; documentation which demonstrates that all options were considered
remaining after runoff reduction.The Cpv requirement does not apply and for each option explains why it is considered infeasible.
when: In no case shall the runoff reduction achieved from the newly
(1)Reduction of the entire Cpv is achieved by application of runoff constructed impervious areas be less than the Minimum RRv as
reduction techniques or infiltration systems,or calculated using the criteria in Section 10.3 of the Design Manual.
(2)The site discharges directly to tidal waters,or fifth order or larger The remaining portion of the total WQv that cannot be reduced shall be
streams. treated by application of standard SMPs.
(iv) Overbank Flood Control Criteria("Qp"):Requires storage to attenuate (iii) Channel Protection Volume(Cpv):Provide 24 hour extended detention
the post-development 10-year,24-hour peak discharge rate(Qp)to of the post-developed 1-year,24-hour storm event;remaining after
predevelopment rates.The Qp requirement does not apply when: runoff reduction.The Cpv requirement does not apply when:
(1)the site discharges directly to tidal waters or fifth order or larger (1)Reduction of the entire Cpv is achieved by application of runoff
streams,or reduction techniques or infiltration systems,or
(2)A downstream analysis reveals that overbank control is not (2)The site discharges directly to tidal waters,or fifth order or larger
required. streams.
(v) Extreme Flood Control Criteria("QP'):Requires storage to attenuate (iv) Overbank Flood Control Criteria(Qp):Requires storage to attenuate
the post-development 100-year,24-hour peak discharge rate(Qf)to the post-development 10-year,24-hour peak discharge rate(Qp)to
predevelopment rates.The Qf requirement does not apply when: predevelopment rates.The Qp requirement does not apply when:
(1)the site discharges directly to tidal waters or fifth order or larger (1)the site discharges directly to tidal waters or fifth order or larger
streams,or streams,or
(2)A downstream analysis reveals that overbank control is not (2)A downstream analysis reveals that overbank control is not
required. required.
b. Sizing Criteria for New Development in Enhanced Phosphorus (v) Extreme Flood Control Criteria(Qf):Requires storage to attenuate the
Removal Watershed post-development 100-year,24-hour peak discharge rate(Qf)to
predevelopment rates.The Qf requirement does not apply when:
(i) Runoff Reduction Volume(RRv): Reduce the total Water Quality (1)the site discharges directly to tidal waters or fifth order or larger
Volume(WQv)by application of RR techniques and standard SMPs streams,or
with RRv capacity.The total WQv is the runoff volume from the 1-year, (2)A downstream analysis reveals that overbank control is not
24 hour design storm over the post-developed watershed and shall be required.
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c. Sizing Criteria for Redevelopment Activity d. Sizing Criteria for Combination of Redevelopment Activity and New
Development
(i) Water Quality Volume(WQv):The WQv treatment objective for Construction projects that include both New Development and Redevelopment
redevelopmen[ac[ivity shall be addressed by one of the following Activity shall provide post-construction stormwater management controls that
options.Redevelopmen[ac[ivi[ies located in an Enhanced Phosphorus
Removal Watershed(see Part III.B.3.and Appendix C of this permit) meet the sizing criteria calculated as an aggregate of the Sizing Criteria in Part
shall calculate the WQv in accordance with Section 10.3 of the Design I.C.2.a.or b.of this permit for the New Development portion of the project and
Manual.All other redevelopmen[ac[ivi[ies shall calculate the WQv in Part I.C.2.c of this permitfor RedevelopmentActivity portion of the project.
accordance with Section 42 of the Design Manual.
(1)Reduce the existing impervious cover by a minimum of 25%of the D. Maintaining Water Quality
total disturbed, impervious area. The Soil Restoration criteria in
Section 5.1.6 of the Design Manual must be applied to all newly The Department expects that compliance with the conditions of this permit will control
created pervious areas,or discharges necessary to meet applicable wa[er quality s[andards.It shall be a violation
(2)Capture and treat a minimum of 25%of the WQv from the disturbed, of the ECL for any discharge to either cause or contribute to a violation of wa[er qualiry
impervious area by the application of standard SMPs;or reduce 25% s[andards as contained in Parts 700 through 705 of Title 6 of the Official Compilation of
of the WQv from the disturbed,impervious area by the application of Codes,Rules and Regulations of the State of New York,such as:
RR techniques or standard SMPs with RRv capacity.,or
(3)Capture and treat a minimum of 75%of the WQv from the disturbed, 1. There shall be no increase in turbidity thatwill cause a substantial visible contrast
impervious area as well as any additional runoff from tributary areas to natural conditions;
by application of the alternative practices discussed in Sections 9.3
and 9.4 of the Design Manual.,or 2. There shall be no increase in suspended,colloidal or settleable solids that will
(4)Application of a combination of 1, 2 and 3 above that provide a cause deposition or impair the waters for their best usages;and
weighted average of at least two of the above methods.Application
of this method shall be in accordance with the criteria in Section
92.1(B)(IV)of the Design Manual. 3. There shall be no residue from oil and floating substances,nor visible oil film,nor
globules of grease.
If there is an existing post-construction stormwater management
practice located on the site that captures and treats runoff from the If there is evidence indicating that the stormwater discharges authorized by this permit
impervious area that is being disturbed, the WQv treatment option are causing,have the reasonable potential to cause,or are contributing to a violation of
selected must,at a minimum,provide treatment equal to the treatment the wa[er quality s[andards;the owner or opera[or must take appropriate corrective
that was being provided by the existing practice(s)if that treatment is action in accordance with Part IV.C.5. of this general permit and document in
greater than the treatment required by options 1—4 above. accordance with Part IV.C.4. of this general permit. To address the wa[er quality
s[andard violation the owner or opera[or may need to provide additional information,
(ii) Channel Protection Volume(Cpv): Not required if there are no include and implement appropriate controls in the SWPPP to correct the problem,or
changes to hydrology that increase the discharge rate from the project obtain an individual SPDES permit.
site. If there is evidence indicating that despite compliance with the terms and conditions of
this general permit it is demonstrated that the stormwater discharges authorized by this
(iii) Overbank Flood Control Criteria(Qp):Not required if there are no permit are causing or contributing to a violation of wa[er quality s[andards,or if the
changes to hydrology that increase the discharge rate from the project Department determines that a modification of the permit is necessary to prevent a
site. violation of wa[er qualiry s[andards,the authorized discharges will no longer be eligible
for coverage underthis permit. The Department may require the owneroropera[orto
(iv) Extreme Flood Control Criteria(Qf):Not required if there are no obtain an individual SPDES permitto continue discharging.
changes to hydrology that increase the discharge rate from the project
site
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(Parc i.e) (Parc i F a)
E. Eligibility Under This General Permit opera[or has obtained a permit issued pursuantto 6 NYCRR Part 182 forthe
project or the Department has issued a letter of non-jurisdiction for the project.
1. This permit may authorize all discharges of stormwaterfrom cons[ruc[ion All documentation necessary to demonstrate eligibility shall be maintained on
ac[ivity to surtace wa[ers of[he S[a[e and groundwa[ers except for ineligible site in accordance with Part II.D2 of this permit;
discharges identified under subparagraph F.of this Part.
5. Discharges which either cause or contribute to a violation of wa[er qualiry
2. Except for non-stormwater discharges explicitly listed in the next paragraph, s[andards adopted pursuant to the ECL and its accompanying regulations;
this permit only authorizes stormwater discharges;including stormwater runoff,
snowmelt runoff,and surtace runoff and drainage,from cons[ruc[ion ac[ivi[ies. 6. Cons[ruc[ion ac[ivi[ies for residential,commercial and institutional projects:
3. Notwithstanding paragraphs E.1 and E2 above,the following non-stormwater a. Where the discharges from the cons[ruc[ion ac[ivi[ies are tributary to waters
discharges are authorized by this permit: those listed in 6 NYCRR 750- of the state classified as AA or AA-s;and
12(a)(29)(vi),with the following exception:"Discharges from firefighting
activities are authorized only when the firefighting activities are b. Which are undertaken on land with no existing impervious cover,and
emergencies/unplanned";waters to which other components have not been
added that are used to control dust in accordance with the SWPPP;and c. Which disturb one(1)or more acres of land designated on the current
uncontaminated discharges from cons[ruc[ion si[e de-watering operations.All United States Department of Agriculture("USDA")Soil Survey as Soil
non-stormwater discharges must be identified in the SWPPP. Under all Slope Phase"D",(provided the map unit name is inclusive of slopes greater
circumstances,the owneror opera[or must still comply with wa[er quality than 25%),or Soil Slope Phase"E"or"F"(regardless of the map unit
s[andards in Part I.D of this permit. name),or a combination of the three designations.
4. The owneroropera[or must maintain permit eligibility to discharge under this 7. Cons[ruc[ion ac[ivi[ies for linear transportation projects and linear utility
permit. Any discharges that are not compliant with the eligibility conditions of projects:
this permit are not authorized by the permit and the owneroropera[or must
either apply for a separate permitto cover those ineligible discharges ortake a. Where the discharges from the cons[ruc[ion ac[ivi[ies are tributary to waters
steps necessary to make the discharge eligible for coverage. of the state classified as AA or AA-s;and
F. Activities Which Are Ineligible for Coverage Under This General Permit
b. Which are undertaken on land with no existing impervious cover,and
All of the following are not authorized by this permit:
1. Discharges after conshuc[ion ac[ivi[ies have been completed and the site has c.Which disturb two(2)or more acres of land designated on the current USDA
undergone final s[abiliza[ion; Soil Survey as Soil Slope Phase"D"(provided the map unit name is inclusive of
slopes greater than 25%),or Soil Slope Phase"E"or"F"(regardless of the map
2. Discharges that are mixed with sources of non-stormwater other than those unit name),or a combination of the three designations.
expressly authorized under subsection E.3.of this Part and identified in the
SWPPP required by this permit;
3. Discharges that are required to obtain an individual SPDES permit or another
SPDES general permit pursuant to Part VII.K.of this permit;
4. Cons[ruc[ion ac[ivi[ies or discharges from conshuc[ion ac[ivi[ies that may
adversely affect an endangered or[hrea[ened species unless the owneror
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(Parc i F.a) (Parc i.F a.q
8. Cons[ruc[ion ac[ivi[ies that have the potential to affect an his[oric property, (i) No Affect
unless there is documentation that such impacts have been resolved.The (ii) No Adverse Affect
following documentation necessary to demonstrate eligibility with this (iii) Executed Memorandum of Agreement,or
requirement shall be maintained on site in accordance with Part II.D.2 of this
permit and made available to the Department in accordance with Part VII.F of d. Documentation that:
this permit:
(i) SHPA Section 14.09 has been completed by NYS DEC or another state
a. Documentation that the cons[ruc[ion ac[ivity is not within an archeologically agency.
sensitive area indicated on the sensitivity map,and that the cons[ruc[ion
ac[ivity is not located on or immediately adjacent to a property listed or 9. Discharges from conshuc[ion ac[ivi[ies that are subject to an existing SPDES
determined to be eligible for listing on the National or State Registers of individual or general permit where a SPDES permitfor cons[ruc[ion ac[iviry has
Historic Places,and that there is no new permanent building on the been terminated or denied;or where the owneroropera[orhas failed to renew
cons[ruc[ion si[e within the following distances from a building,structure,or an expired individual permit.
object that is more than 50 years old,or if there is such a new permanent
building on the cons[ruc[ion si[e within those parameters that NYS Office of
Parks,Recreation and Historic Preservation(OPRHP),a Historic Part II.PERMIT COVERAGE
Preservation Commission of a Certified Local Government,or a qualified A. How to Obtain Coverage
preservation professional has determined that the building,structure,or
object more than 50 years old is not historically/archeologically significant. 1. An owneror opera[or of a cons[ruc[ion ac[iviry that is not subject to the
requirements of a regulated,traditional land use control MS4 must first prepare
• 1-5 acres of disturbance-20 feet a SWPPP in accordance with all applicable requirements of this permit and
• 5-20 acres of disturbance-50 feet then submit a completed Notice of Intent(NOI)to the Department to be
• 20+acres of disturbance-100 feet,or authorized to discharge under this permit.
b. DEC consultation form sent to OPRHP,and copied to the NYS DEC Agency 2. An owneror opera[or of a cons[ruc[ion ac[iviry that is subject to the
Historic Preservation Officer(APO),and requirements of a regula[ed,[radi[ional land use conhol MS4 must first prepare
(i) the State Environmental Quality Review(SEQR)Environmental a SWPPP in accordance with all applicable requirements of this permit and
Assessment Form(EAF)with a negative declaration or the Findings then have the SWPPP reviewed and accepted by the regula[ed,[radi[ional land
Statement,with documentation of OPRHP's agreement with the use conhol MS4 prior to submitting the NOI to the Department.The owner or
resolution;or opera[orshall have the"MS4 SWPPP Acceptance"form signed in accordance
(ii) documentation from OPRHP thatthe cons[ruc[ion ac[ivirywill result in with Part VII.H.,and then submitthatform along with a completed NOI to the
No Impact;or Department.
(iii) documentation from OPRHP providing a determination of No Adverse
Impact;or 3. The requirementfor an owneroropera[orto have its SWPPP reviewed and
(iv) a Letter of Resolution signed by the owner/operator,OPRHP and the accepted by the regula[ed,[radi[ional land use conhol MS4 prior to submitting
DEC APO which allows for this cons[ruc[ion ac[iviry to be eligible for the NOI to the Department does not apply to an owner or opera[orthat is
coverage under the general permit in terms of the State Historic obtaining permit coverage in accordance with the requirements in Part II.F.
Preservation Act(SHPA);or (Change of Owner or Opera[or)or where the owner or opera[orof the
cons[ruc[ion ac[ivity is the regula[ed,hadi[ional land use conhol MS4. This
c. Documentation of satisfactory compliance with Section 106 of the National exemption does not apply to cons[ruc[ion ac[ivi[ies subject to the New York City
Historic Preservation Actfor a coterminous project area: Administrative Code.
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(Parcu e) (Parcu cz.e)
B. Notice of Intent(NOI)Submittal must submit a preliminary SWPPP to the appropriate DEC Permit
Administrator atthe Regional Office listed in Appendix F atthe time all other
1. Prior to December 21,2020,an owner or operator shall use either the necessary UPA permit applications are submitted.The preliminary SWPPP
electronic(eN01)or paperversion of the NOI thatthe Department prepared. must include sufficient information to demonstrate thatthe cons[ruc[ion
Both versions of the NOI are located on the Departmenfs website ac[ivityqualifies for authorization under this permit,
(http://www.dec.ny.gov/).The paper version of the NOI shall be signed in
accordance with Part VII.H.of this permit and submitted to the following c. the final SWPPP has been prepared,and
address:
d. a complete NOI has been submitted to the Department in accordance with
NOTICE OF INTENT the requirements of this permit.
NYS DEC,Bureau of Water Permits
625 Broadway,4�^Floor 3. An owneroropera[orthat has satisfied the requirements of Part II.C.2 above
Albany,New York 12233-3505 will be authorized to discharge stormwater from their cons[ruc[ion ac[iviry in
accordance with the following schedule:
2. Beginning December 21. 2020 and in accordance with EPA's 2015 NPDES
Electronic Reporting Rule(40 CFR Part 127),the owneroropera[ormust submit a. For cons[ruc[ion ac[ivi[ies that are not subject to the requirements of a
the NOI electronically using the Departmen['s online NOI.
regula[ed,[radi[ional land use con[rol MS4:
3. The owner or opera[or shall have the SWPPP preparer sign the "SWPPP
Preparer Certification"statement on the NOI prior to submitting the form to the (i) Five(5)business days from the date the Department receives a
Department. complete electronic version of the NOI(eN01)for cons[ruc[ion ac[ivi[ies
with a SWPPP that has been prepared in conformance with the design
4. As of the date the NOI is submitted to the Department,the owner or opera[or criteria in the technical standard referenced in Part III.B.1 and the
shall make the NOI and SWPPP available for review and copying in accordance pertormance cri[eria in the technical standard referenced in Parts III.B.,
with the requirements in Part VII.F.of this permit. 2 or 3,for cons[ruc[ion ac[ivi[ies that require post-construction
stormwater management practices pursuant to Part III.C.;or
C. PermitAuthorization
(ii) Sixty(60)business days from the date the Department receives a
1. An owneror opera[or shall not commence conshuc[ion ac[iviry until their complete NOI(electronic or paper version)for cons[ruc[ion ac[ivi[ies
authorization to discharge under this permit goes into effect. with a SWPPP that has not been prepared in conformance with the
design criteria in technical standard referenced in Part III.B.1.or,for
2. Authorization to discharge under this permit will be effective when the owneror cons[ruc[ion ac[ivi[ies that require post-construction stormwater
opera[or has satisfied all of the following criteria: management practices pursuant to Part III.C.,the pertormance cri[eria
in the technical standard referenced in Parts III.B.,2 or 3,or;
a. project review pursuant to the State Environmental Quality Review Act
("SEQRA")have been satisfied,when SEQRA is applicable.See the (iii) Ten(10)business days from the date the Department receives a
Departmenfs website(http://www.dec.nv.aov/)for more information, complete paper version of the NOI for cons[ruc[ion ac[ivi[ies with a
SWPPP that has been prepared in conformance with the design
b. where required,all necessary Department permits subjectto the Uniform criteria in the technical standard referenced in Part III.B.1 and the
Procedures Ac[(`UPA")(see 6 NYCRR Part 621),or the equivalent from pertormance cri[eria in the technical standard referenced in Parts III.B.,
another New York State agency,have been obtained,unless otherwise 2 or 3,for cons[ruc[ion ac[ivi[ies that require post-construction
notified by the Department pursuant to 6 NYCRR 621.3(a)(4).Owners or stormwater management practices pursuant to Part I I I.C.
opera[ors of cons[ruc[ion ac[ivi[ies that are required to obtain UPA permits
13 14
(Part II C 3.b) (Part II.D 3)
b. For cons[ruc[ion ac[ivi[ies that are subject to the requirements of a use conhol MS4,the regula[ed,hadi[ional land use conhol MS4(provided the
regula[ed,[radi[ional land use con[rol MS4: regula[ed,[radi[ional land use con[rol MS4 is not the owneror opera[or of the
cons[ruc[ion ac[iviry).At a minimum,the owneror operaror must comply with
(i) Five(5)business days from the date the Department receives both a the following requirements in order to be authorized to disturb greater than five
complete electronic version of the NOI(eN01)and signed"MS4 (5)acres of soil at any one time:
SWPPP Acceptance"form,or
a. The owneroropera[orshall have a qualified inspec[orconduct at least two
(ii) Ten(10)business days from the date the Department receives both a (2)site inspections in accordance with Part IV.C.of this permit every seven
complete paper version of the NOI and signed"MS4 SWPPP (7)calendar days,for as long as greater than five(5)acres of soil remain
Acceptance"form. disturbed.The two(2)inspections shall be separated by a minimum of two
(2)full calendar days.
4. Coverage under this permit authorizes stormwater discharges from only those
areas of disturbance that are identified in the NOI.If an owneroropera[or b. In areas where soil disturbance activity has temporarily or permanently
wishes to have stormwater discharges from future or additional areas of ceased,the application of soil stabilization measures must be initiated by
disturbance authorized,they must submit a new NOI that addresses that phase the end of the next business day and completed within seven(7)days from
of the development,unless otherwise notified by the Department.The owneror the date the current soil disturbance activity ceased.The soil stabilization
opera[or shall not commence cons[ruc[ion ac[ivity on the future or additional measures selected shall be in conformance with the technical standard,
areas until their authorization to discharge under this permit goes into effect in New York State Standards and Specifications for Erosion and Sediment
accordance with Part II.C.of this permit. Control,dated November 2016.
D. General Requirements For Owners or Operators With Permit Coverage c. The owneroropera[orshall prepare a phasing plan that defines maximum
1. The owneroropera[orshall ensure thatthe provisions of the SWPPP are disturbed area per phase and shows required cuts and fills.
implemented from the commencemen[ofcons[ruc[ion ac[ivity until all areas of d. The owneroropera[orshall install any additional site-specific practices
disturbance have achieved final s[abiliza[ion and the Notice of Termination needed to protectwater quality.
("NOT")has been submitted to the Department in accordance with Part V.of
this permit.This includes any changes made to the SWPPP pursuantto Part e. The owneroropera[orshall include the requirements above in their
III.A.4.of this permit. SWPPP
2. The owneror opera[or shall maintain a copy of the General Permit(GP-0-20- 4. In accordance with statute,regulations,and the terms and conditions of this
001),NOI,NOI Acknowledgmen[Le[[er,SWPPP,MS4 SWPPP Acceptance permit,the Department may suspend or revoke an owner's oropera[or's
form,inspection reports,responsible contractors or subcontractors certification coverage under this permit at any time if the Department determines thatthe
statement(see Part III.A.6.),and all documentation necessary to demonstrate SWPPP does not meetthe permit requirements or consistentwith Part VII.K..
eligibility with this permit at the cons[ruc[ion si[e until all disturbed areas have
achieved final s[abiliza[ion and the NOT has been submitted to the Department. 5. Upon a finding of significant non-compliance with the practices described in the
The documents must be maintained in a secure location,such as a job trailer, SWPPP or violation of this permit,the Department may order an immediate
on-site construction office,or mailbox with lock.The secure location must be stop to all activity at the site until the non-compliance is remedied.The stop
accessible during normal business hours to an individual performing a work order shall be in writing,describe the non-compliance in detail,and be
compliance inspection. sent to the owner or opera[or.
3. The owneror opera[or of a cons[ruc[ion ac[iviry shall not disturb greater than 6. For cons[ruc[ion ac[ivi[ies that are subject to the requirements of a regula[ed,
five(5)acres of soil at any one time without prior written authorization from the [radi[ional land use con[rol MS4,the owneroropera[or shall notify the
Departmentor,in areas underthejurisdiction of a regula[ed,[radi[ionalland
15 16
(Part I I.D.6) (Part II F 3)
regula[ed,[radi[ional land use con[rol MS4 in writing of any planned opera[orwas not subject to a sixty(60)business day authorization period that
amendments or modifications to the post-construction stormwater management has not expired as of the date the Department receives the NOI from the new
practice component of the SWPPP required by Part III.A.4.and 5.of this owner or opera[or.
permit.Unless otherwise notified by the regula[ed,hadi[ional land use conhol
MS4,the owneroropera[orshall have the SWPPP amendments or
modifications reviewed and accepted by the regula[ed,[radi[ional land use Part III.STORMWATER POLLUTION PREVENTION PLAN(SWPPP)
con[rol MS4 prior to commencing construction of the post-construction
stormwater management practice. A. General SWPPP Requirements
E. Permit Coverage for Discharges Authorized Under GP-0-15-002 1. A SWPPP shall be prepared and implemented by the owneroropera[orof
each cons[ruc[ion ac[ivity covered by this permit.The SWPPP must document
1. Upon renewal of SPDES General Permitfor Stormwater Discharges from the selection,design,installation,implementation and maintenance of the
Cons[ruc[ion Ac[ivity(Permit No.GP-0-15-002),an owneroropera[orof a control measures and practices that will be used to meet the effluent limitations
cons[ruc[ion ac[ivitywith coverage under GP-0-15-002,as of the effective date in Part I.B.of this permit and where applicable,the post-construction
of GP-0-20-001,shall be authorized to discharge in accordance with GP-0-20- stormwater management practice requirements in Part I.C.of this permit.The
001,unless otherwise notified by the Department. SWPPP shall be prepared priorto the submittal of the NOI.The NOI shall be
submitted to the Department prior to the commencemen[of cons[ruc[ion
An owneroropera[or may continue to implement the technical/design ac[ivity.A copy of the completed,final NOI shall be included in the SWPPP.
components of the post-construction stormwater management controls
provided that such design was done in conformance with the technical 2. The SWPPP shall describe the erosion and sediment control practices and
standards in place atthe time of initial project authorization.However,they where required,post-construction stormwater management practices thatwill
must comply with the other,non-design provisions of GP-0-20-001.
be used and/or constructed to reduce the pollu[an[s in stormwater discharges
F. Change of Owner or Operator and to assure compliance with the terms and conditions of this permit.In
addition,the SWPPP shall identify potential sources of pollution which may
1. When property ownership changes or when there is a change in operational reasonably be expected to affect the quality of stormwater discharges.
control overthe construction plans and specifications,the original owneror
opera[or must notify the new owneror opera[or,in writinq,of the requirement to 3. All SWPPPs that require the post-construction stormwater management
obtain permit coverage by submitting a NOI with the Department.For practice component shall be prepared by a qualified professional that is
cons[ruc[ion ac[ivi[ies subject to the requirements of a regula[ed,[radi[ional knowledgeable in the principles and practices of stormwater management and
land use con[rol MS4,the original owneror opera[or must also notify the MS4, treatment.
in writing,of the change in ownership at least 30 calendar days prior to the
change in ownership. 4. The owneror opera[or must keep the SWPPP current so that it at all times
accurately documents the erosion and sediment controls practices that are
2. Once the new owneroropera[orobtains permit coverage,the original owneror being used orwill be used during construction,and all post-construction
opera[or shall then submit a completed NOT with the name and permit stormwater management practices that will be constructed on the site. At a
identification number of the new owneroropera[orto the Department atthe minimum,the owneroropera[orshall amend the SWPPP,including
address in Part II.B.1.of this permit.If the original owneroropera[or maintains construction drawings:
ownership of a portion of the cons[ruc[ion ac[iviry and will disturb soil,they must
maintain their coverage under the permit. a. whenever the current provisions prove to be ineffective in minimizing
pollu[an[s in stormwater discharges from the site;
3. Permit coverage for the new owneror opera[orwill be effective as of the date
the Department receives a complete NOI,provided the original owneror
17 18
(Parc m.n a.e) (Parc u i.n.$)
b. whenever there is a change in design,construction,or operation at the the terms and conditions of the most current version of the New York State
cons[ruc[ion si[e that has or could have an effect on the discharge of Pollutant Discharge Elimination System("SPDES")general permit for
pollu[an[s; stormwater discharges from cons[ruc[ion ac[ivi[ies and that it is unlawful for
any person to cause or contribute to a violation of wa[erqualitys[andards.
c. to address issues or deficiencies identified during an inspection by the Furthermore,I am aware thatthere are significant penalties for submitting
qualified inspec[or,the Department or other regulatory authority;and false information,that I do not believe to be true,including the possibility of
fine and imprisonment for knowing violations"
d. to documentthe final construction conditions.
In addition to providing the certification statement above,the certification page
5. The Department may notify the owneror opera[or at any time that the SWPPP must also identify the specific elements of the SWPPP that each contractor and
does not meet one or more of the minimum requirements of this permit.The subcontractor will be responsible for and include the name and title of the
notification shall be in writing and identify the provisions of the SWPPP that person providing the signature;the name and title of the[rained con[rac[or
require modification.Within fourteen(14)calendar days of such notification,or responsible for SWPPP implementation;the name,address and telephone
as otherwise indicated by the Department,the owner or opera[or shall make number of the contracting firm;the address(or other identifying description)of
the required changes to the SWPPP and submitwritten notification to the the site;and the date the certification statement is signed.The owneror
Department that the changes have been made.If the owneror opera[or does opera[or shall attach the certification statement(s)to the copy of the SWPPP
not respond to the Departmenfs comments in the specified time frame,the that is maintained at the cons[ruc[ion si[e.If new or additional contractors are
Department may suspend the owner's or opera[or's coverage under this permit hired to implement measures identified in the SWPPP after construction has
or require the owneroropera[orto obtain coverage under an individual SPDES commenced,they must also sign the certification statement and provide the
permit in accordance with Part II.D.4.of this permit. information listed above.
6. Prior to the commencemen[of conshuc[ion ac[iviry,the owneror opera[or must 7. For projects where the Department requests a copy of the SWPPP or
identify the contractor(s)and subcontractor(s)that will be responsible for inspection reports,the owner or opera[orshall submit the documents in both
installing,constructing,repairing,replacing,inspecting and maintaining the electronic(PDF only)and paper formatwithin five(5)business days,unless
erosion and sediment control practices included in the SWPPP;and the otherwise notified by the Department.
contractor(s)and subcontractor(s)that will be responsible for constructing the
post-construction stormwater management practices included in the SWPPP.
The owneroropera[orshall have each of the contractors and subcontractors B. Required SWPPP Contents
identify at least one person from their company that will be responsible for 1. Erosion and sediment control component-All SWPPPs prepared pursuantto
implementation of the SWPPP.This person shall be known as the[rained this permit shall include erosion and sediment control practices designed in
con[rac[or.The owneror opera[orshall ensure that at least one[rained conformance with the technical standard,New York State Standards and
con[rac[or is on site on a daily basis when soil disturbance activities are being Specifications for Erosion and Sediment Control,dated November 2016.Where
pertormed. erosion and sediment control practices are not designed in conformance with
The owneroropera[orshall have each of the contractors and subcontractors the design criteria included in the technical standard,the owneroropera[or
must demonstrate equivalence to the technical standard.At a minimum,the
identified above sign a copy of the following certification statement below erosion and sediment control component of the SWPPP shall include the
before they commence any cons[ruc[ion ac[ivity: following:
"I hereby certify under penalty of law that I understand and agree to comply a. Background information aboutthe scope of the project,including the
with the terms and conditions of the SWPPP and agree to implement any location,type and size of project
corrective actions identified by the qualified inspec[or during a site
inspection. I also understand that the owneroropera[or must comply with
19 20
(Parc w e�.e) (Parc w e.tp
b. A site map/construction drawing(s)for the project,including a general schedule shall be in accordance with the requirements in the technical
location map.At a minimum,the site map shall show the total site area;all standard,New York State Standards and Specifications for Erosion and
improvements;areas of disturbance;areas that will not be disturbed; Sediment Control,dated November 2016;
existing vegetation;on-site and adjacent off-site surtace water(s);
floodplain/floodway boundaries;wetlands and drainage patterns that could j. A description of the pollution prevention measures thatwill be used to
be affected by the conshuc[ion ac[iviry;existing and final contours; control litter,construction chemicals and construction debris from becoming
locations of different soil types with boundaries;material,waste,borrow or a pollu[an[source in the stormwater discharges;
equipment storage areas located on adjacent properties;and location(s)of
the stormwater discharge(s); k. A description and location of any stormwater discharges associated with
industrial activity other than construction at the site,including,but not limited
c. A description of the soil(s)present at the site,including an identification of to,stormwater discharges from asphalt plants and concrete plants located
the Hydrologic Soil Group(HSG); on the cons[ruc[ion si[e;and
d. A construction phasing plan and sequence of operations describing the I. Identification of any elements of the design that are not in conformance with
intended order of conshuc[ion ac[ivi[ies,including clearing and grubbing, the design criteria in the technical standard,New York State Standards and
excavation and grading,utility and infrastructure installation and any other Specifications for Erosion and Sediment Control,dated November 2016.
activity at the site that results in soil disturbance; Include the reason for the deviation or alternative design and provide
information which demonstrates thatthe deviation or alternative design is
e. A description of the minimum erosion and sediment control practices to be equivalen[to the technical standard.
installed or implemented for each cons[ruc[ion ac[ivity that will result in soil
disturbance.Include a schedule that identifies the timing of initial placement 2. Post-construction stormwater management practice component—The owneror
or implementation of each erosion and sediment control practice and the opera[or of any construction project identified in Table 2 of Appendix B as
minimum time frames that each practice should remain in place or be needing post-construction stormwater management practices shall prepare a
implemented; SWPPP that includes practices designed in conformance with the applicable
sizing cri[eria in Part LC2.a.,c.or d.of this permit and the pertormance cri[eria
f. A temporary and permanent soil stabilization plan that meets the in the technical standard,New York State Stormwater Management Design
requirements of this general permit and the technical standard,New York Manual dated January 2015
State Standards and Specifications for Erosion and Sediment Control,dated
November 2016,for each stage of the project,including initial land clearing Where post-construction stormwater management practices are not designed
and grubbing to project completion and achievement of final s[abiliza[ion; in conformance with the pertormance cri[eria in the technical standard,the
owner or opera[or must include in the SWPPP the reason(s)for the deviation or
g. A site map/construction drawing(s)showing the specific location(s),size(s), alternative design and provide information which demonstrates that the
and length(s)of each erosion and sediment control practice; deviation or alternative design is equivalen[to the technical standard.
h. The dimensions,material specifications,installation details,and operation The post-construction stormwater management practice component of the
and maintenance requirements for all erosion and sediment control SWPPP shall include the following:
practices.Include the location and sizing of any temporary sediment basins
and structural practices that will be used to divert flows from exposed soils; a. Identification of all post-construction stormwater management practices to
be constructed as part of the project.Include the dimensions,material
i. A maintenance inspection schedule forthe contractor(s)identified in Part specifications and installation details for each post-construction stormwater
III.A.6.of this permit,to ensure continuous and effective operation of the management practice;
erosion and sediment control practices.The maintenance inspection
21 22
(Part I II B 2.b) (Part II I.B 3)
b. A site map/construction drawing(s)showing the specific location and size of 3. Enhanced Phosphorus Removal Standards-All construction projects identified
each post-construction stormwater management practice; in Table 2 of Appendix B that are located in the watersheds identified in
Appendix C shall prepare a SWPPP that includes post-construction stormwater
c. A Stormwater Modeling and Analysis Report that includes: management practices designed in conformance with the applicable sizing
(i) Map(s)showing pre-development conditions,including cri[eria in Part LC2.b.,c.or d.of this permit and the pertormance cri[eria,
watershed/subcatchments boundaries,flow paths/routing,and design Enhanced Phosphorus Removal Standards included in the Design Manual.At a
points; minimum,the post-construction stormwater management practice component
of the SWPPP shall include items 2.a-2.f.above.
(ii) Map(s)showing post-development conditions,including C. Required SWPPP Components by Project Type
watershed/subcatchments boundaries,flow paths/routing,design
points and post-construction stormwater management practices; Unless otherwise notified by the Department, owners or opera[ors of cons[ruc[ion
ui Results of stormwater modelin i e.h drolo and h draulic anal sis ac[ivi[ies identified in Table 1 of Appendix B are required to prepare a SWPPP that only
� � g�� Y gY Y Y � includes erosion and sediment control practices designed in conformance with Part
for the required storm events.I nclude supporting calculations(model I II.B.1 of this perm it.Owners oropera[ors of the cons[ruc[ion ac[ivi[ies identified in Table
runs),methodology,and a summary table that compares pre and post- 2 of Appendix B shall prepare a SWPPP thatalso includes post-construction stormwater
development runoff rates and volumes for the different storm events; management practices designed in conformance with Part III.B2 or 3 of this permit.
(iv) Summary table,with supporting calculations,which demonstrates that
each post-construction stormwater management practice has been Part IV.INSPECTION AND MAINTENANCE REQUIREMENTS
designed in conformance with the sizing cri[eria included in the Design
Manual; A. General Construction Site Inspection and Maintenance Requirements
(v) Identification of any sizing cri[eria that is not required based on the 1. The owneror opera[or must ensure that all erosion and sediment control
requirements included in Part I.C.of this permit;and
practices(including pollution prevention measures)and all post-construction
(vi) Identification of any elements of the design that are not in conformance stormwater management practices identified in the SWPPP are inspected and
with the pertormance cri[eria in the Design Manual. Include the maintained in accordance with Part IV.B.and C.of this permit.
reason(s)for the deviation or alternative design and provide 2. The terms of this permit shall not be construed to prohibit the State of New
information which demonstrates that the deviation or alternative design York from exercising any authority pursuant to the ECL,common law or federal
is equivalen[to the Design Manual; law,or prohibit New York State from taking any measures,whether civil or
d. Soil testing results and locations(test pits,borings); criminal,to prevent violations of the laws of the State of New York or protect
the public health and safety and/or the environment.
e. Infiltration test results,when required;and
B. Contractor Maintenance Inspection Requirements
f. An operations and maintenance plan that includes inspection and
maintenance schedules and actions to ensure continuous and effective 1. The owneroropera[orof each cons[ruc[ion ac[ivity identified in Tables 1 and 2
operation of each post-construction stormwater management practice.The of Appendix B shall have a[rained con[rac[or inspect the erosion and sediment
plan shall identify the entity thatwill be responsible for the long term control practices and pollution prevention measures being implemented within
operation and maintenance of each practice. the active work area daily to ensure that they are being maintained in effective
operating condition at all times.If deficiencies are identified,the contractor shall
23 24
(Parc iv e.�) (Parc iv c�a)
begin implementing corrective actions within one business day and shall in one of the watersheds listed in Appendix C and not directly discharging to
complete the corrective actions in a reasonable time frame. one of the 303(d)segments listed in Appendix E;
2. For construction sites where soil disturbance activities have been temporarily b. the construction of a single family home that involves a soil disturbance of
suspended(e.g.winter shutdown)and[emporary s[abiliza[ion measures have one(1)or more acres of land but less than five(5)acres and is not located
been applied to all disturbed areas,the[rained con[rac[orcan stop conducting in one of the watersheds listed in Appendix C and not directly discharging to
the maintenance inspections.The hained con[rac[orshall begin conducting the one of the 303(d)segments listed in Appendix E;
maintenance inspections in accordance with Part IV.B.1.of this permit as soon
as soil disturbance activities resume. c. construction on agricultural property that involves a soil disturbance of one
(1)or more acres of land but less than five(5)acres;and
3. For construction sites where soil disturbance activities have been shut down
with partial project completion,the[rained con[rac[orcan stop conducting the d. cons[ruc[ion ac[ivi[ies located in the watersheds identified in Appendix D
maintenance inspections if all areas disturbed as of the project shutdown date that involve soil disturbances between five thousand(5,000)square feet
have achieved final s[abiliza[ion and all post-construction stormwater and one(1)acre of land.
management practices required for the completed portion of the project have
been constructed in conformance with the SWPPP and are operational. 2. Unless otherwise notified by the Department,the qualified inspec[orshall
C. Qualified Inspector Inspection Requirements conduct site inspections in accordance with the following timetable:
The owner or opera[or shall have a qualified inspec[or conduct site inspections in a. For construction sites where soil disturbance activities are on-going,the
conformance with the following requirements: qualified inspec[orshall conduct a site inspection at least once every seven
(7)calendar days.
[Note:The[rained con[rac[or identified in Part III.A.6.and IV.B.of this permit cannot
conduct the qualified inspec[orsite inspections unless they meet the qualified inspec[or b. For construction sites where soil disturbance activities are on-going and the
qualifications included in Appendix A.In orderto perform these inspections,the[rained owneroropera[orhas received authorization in accordance with Part II.D.3
con[rac[orwould have to be a: to disturb greater than five(5)acres of soil at any one time,the qualified
inspec[orshall conduct at leasttwo(2)site inspections every seven(7)
• licensed Professional Engineer, calendar days.The two(2)inspections shall be separated by a minimum of
• Certified Professional in Erosion and Sediment Control(CPESC), two(2)full calendar days.
• New York State Erosion and Sediment Control Certificate Program holder
• Registered Landscape Architect,or c. For construction sites where soil disturbance activities have been
• someone working under the direct supervision of,and atthe same company as, temporarily suspended(e.g.winter shutdown)and[emporary s[abiliza[ion
the licensed Professional Engineer or Registered Landscape Architect,provided measures have been applied to all disturbed areas,the qualified inspec[or
they have received four(4)hours of Department endorsed training in proper shall conduct a site inspection at least once every thirty(30)calendar days.
erosion and sediment control principles from a Soil and Water Conservation The owneroropera[orshall notify the DOW Water(SPDES)Program
District,or other Department endorsed entity]. contact at the Regional Office(see contact information in Appendix F)or,in
areas under the jurisdiction of a regula[ed,hadi[ional land use con[rol MS4,
1. A qualified inspec[or shall conduct site inspections for all cons[ruc[ion ac[ivi[ies the regula[ed,hadi[ional land use conhol MS4(provided the regula[ed,
identified in Tables 1 and 2 of Appendix B,with the exception of: [radi[ional land use con[rol MS4 is not the owneror opera[or of the
cons[ruc[ion ac[iviry)in writing prior to reducing the frequency of
a. the construction of a single family residential subdivision with 25%or less inspections.
impervious coverat total site build-out that involves a soil disturbance of
one(1)or more acres of land but less than five(5)acres and is not located
25 26
(Parc iv cz.d) (Parc iv ca a)
d. For construction sites where soil disturbance activities have been shut down a. Date and time of inspection;
with partial project completion,the qualified inspec[orcan stop conducting
inspections if all areas disturbed as of the project shutdown date have b. Name and title of person(s)pertorming inspection;
achieved final s[abiliza[ion and all post-construction stormwater
management practices required for the completed portion of the project c. A description of the weather and soil conditions(e.g.dry,wet,saturated)at
have been constructed in conformance with the SWPPP and are the time of the inspection;
operational.The owneroropera[orshall notify the DOW Water(SPDES)
Program contact at the Regional Office(see contact information in Appendix d. A description of the condition of the runoff at all points of discharge from the
F)or,in areas under the jurisdiction of a regula[ed,[radi[ional land use cons[ruc[ion si[e.This shall include identification of any discharges of
con[rol MS4,the regula[ed,[radi[ionalland use conhol MS4(provided the sedimentfrom the conshuc[ion si[e.Include dischargesfrom conveyance
regula[ed,[radi[ionalland use con[rol MS4 is notthe owneroropera[or of systems(i.e.pipes,culverts,ditches,etc.)and overland flow;
the cons[ruc[ion ac[iviry)in writing prior to the shutdown.If soil disturbance
activities are not resumed within 2 years from the date of shutdown,the e. A description of the condition of all natural surtace waterbodies located
owneroropera[orshall have the qualified inspec[orpertorm a final within,or immediately adjacentto,the property boundaries of the
inspection and certify that all disturbed areas have achieved final cons[ruc[ion si[e which receive runoff from disturbed areas.This shall
s[abiliza[ion,and all temporary,structural erosion and sediment control include identification of any discharges of sedimentto the surtace
measures have been removed;and that all post-construction stormwater waterbody;
management practices have been constructed in conformance with the
SWPPP by signing the"Final S[abiliza[ion"and"Post-Construction f. Identification of all erosion and sediment control practices and pollution
Stormwater Management Practice"certification statements on the NOT.The prevention measures that need repair or maintenance;
owneroropera[orshall then submitthe completed NOT form to the address
in Part II.B.1 of this permit. g. Identification of all erosion and sediment control practices and pollution
prevention measures thatwere not installed properly or are notfunctioning
e. For construction sites that directly discharge to one of the 303(d)segments as designed and need to be reinstalled or replaced;
listed in Appendix E or is located in one of the watersheds listed in
Appendix C,the qualified inspec[or shall conduct at least two(2)site h. Description and sketch of areas with active soil disturbance activity,areas
inspections every seven(7)calendar days.The two(2)inspections shall be that have been disturbed but are inactive at the time of the inspection,and
separated by a minimum of two(2)full calendar days. areas that have been stabilized(temporary and/or final)since the last
inspection;
3. At a minimum,the qualified inspec[orshall inspect all erosion and sediment
control practices and pollution prevention measures to ensure integrity and i. Current phase of construction of all post-construction stormwater
effectiveness,all post-construction stormwater management practices under management practices and identification of all construction that is not in
construction to ensure that they are constructed in conformance with the conformance with the SWPPP and technical standards;
SWPPP,all areas of disturbance that have not achieved final s[abiliza[ion,all
points of discharge to natural surface waterbodies located within,or j. Corrective action(s)that must be taken to install,repair,replace or maintain
immediately adjacent to,the property boundaries of the cons[ruc[ion si[e,and erosion and sediment control practices and pollution prevention measures;
all points of discharge from the cons[ruc[ion si[e. and to correct deficiencies identified with the construction of the post-
construction stormwater management practice(s);
4. The qualified inspec[or shall prepare an inspection report subsequent to each
and every inspection.At a minimum,the inspection report shall include and/or k. Identification and status of all corrective actions thatwere required by
address the following: previous inspection;and
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(Parc iv.ca i) (Parc v.n z.e)
I. Digital photographs,with date stamp,that clearly show the condition of all b. Planned shutdown with partial project completion-All soil disturbance
practices that have been identified as needing corrective actions.The activities have ceased;and all areas disturbed as of the project shutdown
qualified inspec[orshall attach paper color copies of the digital photographs date have achieved final s[abiliza[ion;and all temporary,structural erosion
to the inspection report being maintained onsite within seven(7)calendar and sediment control measures have been removed;and all post-
days of the date of the inspection.The qualified inspec[or shall also take construction stormwater management practices required for the completed
digital photographs,with date stamp,that clearly show the condition of the portion of the project have been constructed in conformance with the
practice(s)afterthe corrective action has been completed.The qualified SWPPP and are operational;
inspec[orshall attach paper color copies of the digital photographs to the
inspection report that documents the completion of the corrective action c. A new owneroropera[or has obtained coverage under this permit in
work within seven(7)calendar days of that inspection. accordance with Part II.F.of this permit.
5. Within one business day of the completion of an inspection,the qualified d. The owneror opera[or obtains coverage under an alternative SPDES
inspec[orshall notify the owneroropera[or and appropriate contractor or general permit or an individual SPDES permit.
subcontractor identified in Part III.A.6.of this permit of any corrective actions
that need to be taken.The contractor or subcontractor shall begin implementing 3. For cons[ruc[ion ac[ivi[ies meeting subdivision 2a.or 2b.of this Part,the owner
the corrective actions within one business day of this notification and shall or opera[or shall have the qualified inspec[or pertorm a final site inspection
complete the corrective actions in a reasonable time frame. priorto submitting the NOT.The qualified inspec[orshall,by signing the"Final
S[abiliza[ion"and"Post-Construction Stormwater Management Practice
6. All inspection reports shall be signed by the qualified inspec[or.Pursuantto certification statements on the NOT,certify that all the requirements in Part
Part II.D.2.of this permit,the inspection reports shall be maintained on site with V.A.2.a.or b.of this permit have been achieved.
the SWPPP.
4. For cons[ruc[ion ac[ivi[ies that are subject to the requirements of a regula[ed,
[radi[ional land use con[rol MS4 and meet subdivision 2a.or 2b.of this Part,the
Part V.TERMINATION OF PERMIT COVERAGE owneroropera[orshall have the regula[ed,[radi[ionalland use con[rol MS4
sign the"MS4 Acceptance"statement on the NOT in accordance with the
A. Termination of Permit Coverage requirements in Part VII.H.of this permit.The regula[ed,[radi[ionalland use
con[rol MS4 official,by signing this statement,has determined that it is
1. An owneroropera[orthat is eligible to terminate coverage under this permit acceptable for the owneroropera[orto submitthe NOT in accordance with the
must submit a completed NOT form to the address in Part II.B.1 of this permit. requirements of this Part.The regula[ed,[radi[ional land use con[rol MS4 can
The NOT form shall be one which is associated with this permit,signed in make this determination by pertorming a final site inspection themselves or by
accordance with Part VII.H of this permit. accepting the qualified inspec[ors final site inspection certification(s)required
in Part V.A.3.of this permit.
2. An owneror opera[or may terminate coverage when one or more the following
conditions have been met: 5. For cons[ruc[ion ac[ivi[ies that require post-construction stormwater
management practices and meet subdivision 2a.of this Part,the owneror
a. Total project completion-All cons[ruc[ion ac[iviry identified in the SWPPP opera[or must,prior to submitting the NOT,ensure one of the following:
has been completed;and all areas of disturbance have achieved final
s[abiliza[ion;and all temporary,structural erosion and sediment control a. the post-construction stormwater management practice(s)and any right-of-
measures have been removed;and all post-construction stormwater way(s)needed to maintain such practice(s)have been deeded to the
management practices have been constructed in conformance with the municipality in which the practice(s)is located,
SWPPP and are operational;
29 30
(Parc v ns.e) (Parc w i.n)
b. an executed maintenance agreement is in place with the municipality that Act(CWA)and the ECL and is grounds for an enforcement action against the owneror
will maintain the post-construction stormwater management practice(s), opera[or and/or the contractor/subcontractor; permit revocation, suspension or
modification;ordenial of a permit renewal application.Upon a finding of significant non-
c. for post-construction stormwater management practices that are privately compliance with this permit or the applicable SWPPP,the Department may order an
owned,the owneroropera[or has a mechanism in place that requires immediate stop to all cons[ruc[ion ac[ivity at the site until the non-compliance is
operation and maintenance of the practice(s)in accordance with the remedied.The stop work order shall be in writing,shall describe the non-compliance in
operation and maintenance plan,such as a deed covenant in the owneror detail,and shall be sentto the owneroropera[or.
opera[or's deed of record,
d. for post-construction stormwater management practices that are owned by If any human remains or archaeological remains are encountered during excavation,
a public or private institution(e.g.school,university,hospital),government the owner or opera[or must immediately cease,or cause to cease,all cons[ruc[ion
agency or authority,or public utility;the owneroropera[or has policy and ac[ivity in the area of the remains and notify the appropriate Regional Water Engineer
procedures in place that ensures operation and maintenance of the (RWE). Cons[ruc[ion ac[ivity shall not resume until written permission to do so has been
practices in accordance with the operation and maintenance plan. received from the RWE.
Part VI.REPORTING AND RETENTION RECORDS B. Continuation of the Expired General Permit
A. Record Retention This permit expires five(5)years from the effective date.If a new general permit is not
issued priorto the expiration of this general permit,an owneroropera[orwith coverage
The owneroropera[orshall retain a copy of the NOI,NOI under this permit may continue to operate and discharge in accordance with the terms
Acknowledgment Letter,SWPPP,MS4 SWPPP Acceptance form and any inspection and conditions of this general permit, if it is eutended pursuant to the State
reports thatwere prepared in conjunction with this permitfor a period of at leastfive(5) Administrative Procedure Act and 6 NYCRR Part 621,until a new general permit is
issued.
years from the date that the Department receives a complete NOT submitted in
accordance with Part V.of this general permit. C. Enforcement
B. Addresses Failure of the owneroropera[or,its contractors,subcontractors,agents and/or assigns
to strictly adhere to any of the permit requirements contained herein shall constitute a
With the exception of the NOI,NOT,and MS4 SWPPP Acceptance form(which must violation of this permit.There are substantial criminal,civil,and administrative penalties
be submitted to the address referenced in Part II.B.1 of this permit), all written associated with violating the provisions of this permit. Fines of up to$37,500 per day
correspondence requested by the Department,including individual permit applications, for each violation and imprisonment for up to fifteen(15)years may be assessed
shall be sent to the address of the appropriate DOW Water(SPDES)Program contact depending upon the nature and degree of the offense.
at the Regional Office listed in Appendix F.
D. Need to Halt or Reduce Activity Not a Defense
Part VII.STANDARD PERMIT CONDITIONS
It shall not be a defense for an owneroropera[or in an enforcement action that it would
A. Dutyto Comply have been necessary to halt or reduce the cons[ruc[ion ac[ivity in order to maintain
compliance with the conditions of this permit.
The owner or opera[or must comply with all conditions of this permit. All contractors
and subcontractors associated with the project must comply with the terms of the
SWPPP.Any non-compliance with this permit constitutes a violation of the Clean Water
31 32
(Parc vi i.e) (Parc wi H�a)
E. Dutyto Mitigate (i) a president,secretary,treasurer,orvice-presidentofthe corporation in
charge of a principal business function,or any other person who
The owneroropera[orand its contractors and subcontractors shall take all reasonable performs similar policy or decision-making functions for the
steps to minimize or prevent any discharge in violation of this permit which has a corporation;or
reasonable likelihood of adversely affecting human health orthe environment.
(ii) the manager of one or more manufacturing,production or operating
F. Dutyto Provide Information facilities,provided the manager is authorized to make management
decisions which govern the operation of the regulated facility including
The owner or opera[or shall furnish to the Department,within a reasonable specified having the explicit or implicit duty of making major capital investment
time period of a written request,all documentation necessary to demonstrate eligibility recommendations,and initiating and directing other comprehensive
and any information to determine compliance with this permit or to determine whether measures to assure long term environmental compliance with
cause exists for modifying or revoking this permit,or suspending or denying coverage environmental laws and regulations;the manager can ensure that the
under this permit,in accordance with the terms and conditions of this permit.The NOI, necessary systems are established or actions taken to gather complete
SWPPP and inspection reports required by this permit are public documents that the and accurate information for permit application requirements;and
owneroropera[ormust make available for review and copying by any person within five where authority to sign documents has been assigned or delegated to
(5)business days of the owner or opera[or receiving a written request by any such the manager in accordance with corporate procedures;
person to review these documents. Copying of documents will be done at the
requester s expense. b. For a partnership or sole proprietorship these forms shall be signed by a
general partner orthe proprietor,respectively;or
G.Other Information
c. For a municipality,State,Federal,or other public agency these forms shall
When the owner or opera[or becomes aware that they failed to submit any relevant be signed by either a principal executive officer or ranking elected official.
facts,or submitted incorrect information in the NOI or in any of the documents required For purposes of this section,a principal executive officer of a Federal
by this permit,or have made substantive revisions to the SWPPP(e.g.the scope of the agency includes:
project changes significantly,the type of post-construction stormwater management
practice(s) changes, there is a reduction in the sizing of the post-construction (i) the chief executive officer of the agency,or
stormwater management practice,or there is an increase in the disturbance area or
impervious area), which were not reflected in the original NOI submitted to the (ii) a senior executive officer having responsibility for the overall
Department,they shall promptly submit such facts or information to the Department operations of a principal geographic unit of the agency(e.g.,Regional
using the contact information in Part II.A.of this permit.Failure of the owneroropera[or Administrators of EPA).
to correct or supplement any relevant facts within five(5)business days of becoming
aware of the deficiency shall constitute a violation of this permit. 2. The SWPPP and other information requested by the Department shall be
signed by a person described in Part VII.H.1.of this permit or by a duly
H. Signatory Requirements authorized representative of that person.A person is a duly authorized
representative only if:
1. All NOIs and NOTs shall be signed as follows:
a. The authorization is made in writing by a person described in Part VII.H.1.
a. For a corporation these forms shall be signed by a responsible corporate of this permit;
officer.For the purpose of this section,a responsible corporate officer
means: b. The authorization specifies either an individual or a position having
responsibility for the overall operation of the regulated facility or activity,
such as the position of plant manager,operator of a well or a well field,
33 34
(Part VII H 2.b) (Part VII K 1)
superintendent,position of equivalen[responsibility,or an individual or include a brief statement of the reasons forthis decision,an application form,
position having overall responsibility for environmental matters forthe a statement setting a time frame forthe owner or operator to file the
company.(A duly authorized representative may thus be either a named application for an individual SPDES permit,and a deadline,not soonerthan
individual or any individual occupying a named position)and, 180 days from owner or operator receipt of the notification letter,whereby the
authorization to discharge under this general permit shall be terminated.
c. The written authorization shall include the name,title and signature of the Applications must be submitted to the appropriate Permit Administrator at the
authorized representative and be attached to the SWPPP. Regional Office.The Department may grant additional time upon
demonstration,to the satisfaction of the Department,that additional time to
3. All inspection reports shall be signed by the qualified inspec[orthat pertorms apply for an alternative authorization is necessary or where the Department
the inspection. has not provided a permit determination in accordance with Part 621 of this
Title.
4. The MS4 SWPPP Acceptance form shall be signed by the principal executive
officer or ranking elected official from the regula[ed,hadi[ional land use con[rol 2.When an individual SPDES permit is issued to a discharger authorized to
MS4,or by a duly authorized representative of that person. discharge under a general SPDES permit for the same discharge(s),the
general permit authorization for outfalls authorized under the individual
It shall constitute a permitviolation if an incorrect and/or improper signatory SPDES permit is automatically terminated on the effective date of the
authorizes any required forms,SWPPP and/or inspection reports. individual permit unless termination is earlier in accordance with 6 NYCRR
Part 750.
I. Property Rights
L. Proper Operation and Maintenance
The issuance of this permit does not convey any property rights of any sort,nor any
exclusive privileges,nor does itauthorize any injuryto private property norany invasion The owneroropera[orshall at all times properly operate and maintain all facilities and
of personal rights,nor any infringement of Federal,State or local laws or regulations. systems of treatment and control(and related appurtenances)which are installed or
Owners or opera[ors must obtain any applicable conveyances,easements, licenses used bythe owneroropera[orto achieve compliance with the conditions of this permit
and/or access to real property prior to commencing cons[ruc[ion ac[ivity. and with the requirements of the SWPPP.
J. Severability M.Inspection and Entry
The provisions of this permit are severable,and if any provision of this permit,or the The owner or opera[or shall allow an authorized representative of the Department,
application of any provision of this permit to any circumstance, is held invalid,the EPA,applicable county health department,or,in the case of a cons[ruc[ion si[e which
application of such provision to other circumstances,and the remainder of this permit discharges through an MS4,an authorized representative of the MS4 receiving the
shall not be affected thereby. discharge, upon the presentation of credentials and other documents as may be
required by law,to:
K. Requirement to Obtain Coverage Under an Alternative Permit 1.Enter upon the owners or operator's premises where a regulated facility or
activity is located or conducted or where records must be kept under the
1. The Department may require any owner or operator authorized by this permitto conditions of this permit;
apply for and/or obtain either an individual SPDES permit or another SPDES
general permit.When the Department requires any discharger authorized by a 2.Have access to and copy at reasonable times,any records that must be kept
general permitto apply for an individual SPDES permit,it shall notify the under the conditions of this permit;and
discharger in writing that a permit application is required.This notice shall
35 36
(Part VI I.M 3) (Part VI I.R)
3.Inspect at reasonable times any facilities or equipment(including monitoring R. Other Permits
and control equipment),practices or operations regulated or required by this
permit. Nothing in this permit relieves the owneroropera[orfrom a requirement to obtain any
other permits required by law.
4.Sample or monitor at reasonable times,for purposes of assuring permit
compliance or as otherwise authorized by the Act or ECL,any substances or
parameters at any location.
N. PermitActions
This permit may,at any time,be modified,suspended,revoked,or renewed by the
Department in accordance with 6 NYCRR Part 621.The filing of a request by the
owneroropera[orfor a permit modification,revocation and reissuance,termination,a
notification of planned changes or anticipated noncompliance does not limit,diminish
and/or stay compliance with any terms of this permit.
O. Definitions
Definitions of key terms are included in Appendix A of this permit.
P. Re-Opener Clause
1.If there is evidence indicating potential or realized impacts on water quality
due to any stormwater discharge associated with construction activity covered
by this permit,the owner or operator of such discharge may be required to
obtain an individual permit or alternative general permit in accordance with
Part VII.K.of this permit or the permit may be modified to include different
limitations and/or requirements.
2.Any Department initiated permit modification,suspension or revocation will be
conducted in accordance with 6 NYCRR Part 621,6 NYCRR 750-1.18,and 6
NYCRR 750-120.
Q. Penalties for Falsification of Forms and Reports
In accordance with 6NYCRR Part 750-2.4 and 750-2.5,any person who knowingly
makes any false material statement,representation,or certification in any application,
record,report or other document filed or required to be maintained under this permit,
including reports of compliance or noncompliance shall,upon conviction,be punished
in accordance with ECL§71-1933 and or Articles 175 and 210 of the New York State
PenalLaw.
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nvva�d�;:n
APPENDIXA—Acronyms and Definitions Definitions
All definitions in this section are solelv for the purposes of this permit.
Acronyms Agricultural Building—a structure designed and constructed to house farm
APO—Agency Preservation Officer implements,hay,grain,poultry,livestock or other horticultural products;excluding any
BMP—Best Management Practice structure designed,constructed or used,in whole or in part,for human habitation,as a
CPESC—Certified Professional in Erosion and Sediment Control place of employment where agricultural products are processed,treated or packaged,
Cpv—Channel Protection Volume or as a place used by the public.
CWA—Clean Water Act(or the Federal Water Pollution Control Act,33 U.S.C.§1251 et Agricultural Property—means the land for construction of a barn,agricul[ural building,
seq) silo,stockyard,pen or other structural practices identified in Table II in the"Agricultural
DOW—Division of Water Management Practices Catalog for Nonpoint Source Pollution in New York State"
EAF—Environmental Assessment Form prepared by the Department in cooperation with agencies of New York Nonpoint Source
ECL-Environmental Conservation Law Coordinating Committee(dated June 2007).
EPA—U.S.Environmental Protection Agency
HSG—Hydrologic Soil Group Alter Hydrology from Pre to Post-Development Conditions-means the post-
MS4—Municipal Separate Storm Sewer System development peak flow rate(s)has increased by more than 5%of the pre-developed
NOI—Notice of Intent condition for the design storm of interest(e.g.10 yr and 100 yr).
NOT—Notice of Termination
NPDES—National Pollutant Discharge Elimination System Combined Sewer-means a sewer that is designed to collect and convey both
OPRHP—Office of Parks,Recreation and Historic Places "sewage"and"stormwater".
Qf—Extreme Flood
Qp—Overbank Flood Commence(Commencement of)Construction Activities-means the initial
RRv—Runoff Reduction Volume disturbance of soils associated with clearing,grading or excavation activities;or other
RWE—Regional Water Engineer construction related activities that disturb or expose soils such as demolition,stockpiling
SEQR—State Environmental Quality Review of fill material,and the initial installation of erosion and sediment control practices
SEQRA-State Environmental Quality Review Act required in the SWPPP.See definition for"Cons[ruc[ion Ac[iviry(ies)"also.
SHPA—State Historic Preservation Act
SPDES—State Pollutant Discharge Elimination System Construction Activit ies means an clearin radin excavation,fillin demolition
SWPPP—Stormwater Pollution Prevention Plan Y� � Y g'g g' g'
TMDL—Total Maximum Daily Load or stockpiling activities that result in soil disturbance.Clearing activities can include,but
UPA—Uniform Procedures Act are not limited to,logging equipment operation,the cutting and skidding of trees,stump
USDA—United States Department of Agriculture removal and/or brush root removal.Construction activity does not include routine
WQv—Water Quality Volume maintenance that is pertormed to maintain the original line and grade,hydraulic
capacity,or original purpose of a facility.
Construction Site—means the land area where cons[ruc[ion ac[iviry(ies)will occur.
See definition for"Commence(Commencemen[o�Cons[ruc[ion Ac[ivi[ies"and"Larger
Common Plan of Developmen[or Sale"also.
Dewatering—means the act of draining rainwater and/or groundwaterfrom building
foundations,vaults or excavations/trenches.
Direct Discharge(to a specific surtace waterbody)-means that runoff flows from a
cons[ruc[ion si[e by overland flow and the first point of discharge is the specific surtace
waterbody,or runoff flows from a cons[ruc[ion si[e to a separate storm sewer system
39 40
Appendix A Appendix A
and the first point of discharge from the separate storm sewer system is the specific Larger Common Plan of Development or Sale-means a contiguous area where
surtace waterbody. multiple separate and distinct cons[ruc[ion ac[ivi[ies are occurring,or will occur,under
one plan.The term"plan"in"larger common plan of development or sale"is broadly
Discharge(s)-means any addition of any pollutant to waters of the State through an defined as any announcement or piece of documentation(including a sign,public notice
outlet or poin[source. or hearing,marketing plan,advertisement,drawing,permit application,State
Environmental Quality Review Act(SEQRA)environmental assessmentform or other
Embankment—means an earthen or rock slope that supports a road/highway. documents,zoning request,computer design,etc.)or physical demarcation(including
boundary signs,lot stakes,surveyor markings,etc.)indicating that cons[ruc[ion
Endangered or Threatened Species—see 6 NYCRR Part 182 of the Departmenfs ac[ivi[ies may occur on a specific plot.
rules and regulations for definition of terms and requirements.
For discrete construction projects that are located within a larger common plan of
Environmental Conservation Law(ECL)-means chapter 43-B of the Consolidated development or sale that are at least 1/4 mile apart,each project can be treated as a
Laws of the State of New York,entitled the Environmental Conservation Law. separate plan of development or sale provided any interconnecting road,pipeline or
utility project that is part of the same"common plan"is not concurrently being disturbed.
Equivalent(Equivalence)—means that the practice or measure meets all the
performance,longevity,maintenance,and safety objectives of the technical standard Minimize—means reduce and/or eliminate to the extent achievable using control
and will provide an equal or greater degree of water quality protection. measures(including best management practices)that are technologically available and
economically practicable and achievable in light of best industry practices.
Final Stabilization-means that all soil disturbance activities have ceased and a
uniform,perennial vegetative cover with a density of eighty(80)percent over the entire Municipal Separate Storm Sewer(MS4)-a conveyance or system of conveyances
pervious surtace has been established;or other equivalent stabilization measures,such (including roads with drainage systems,municipal streets,catch basins,curbs,gutters,
as permanent landscape mulches,rock rip-rap orwashed/crushed stone have been ditches,man-made channels,or storm drains):
applied on all disturbed areas that are not covered by permanent structures,concrete or
pavement. (i) Owned or operated by a State,city,town,borough,county,parish,district,
association,or other public body(created by or pursuant to State law)having
General SPDES permit-means a SPDES permit issued pursuant to 6 NYCRR Part jurisdiction over disposal of sewage,industrial wastes,stormwater,or other
750-121 and Section 70-0117 of the ECL authorizing a category of discharges. wastes,including special districts under State law such as a sewer district,
flood control district or drainage district,or similar entity,or an Indian tribe or
Groundwater(s)-means waters in the saturated zone.The saturated zone is a an authorized Indian tribal organization,or a designated and approved
subsurtace zone in which all the interstices are filled with water under pressure greater management agency under section 208 of the CWA that discharges to
than that of the atmosphere.Although the zone may contain gas-filled interstices or surtace waters of the State;
interstices filled with fluids other than water,it is still considered saturated. (ii) Designed or used for collecting or conveying stormwater;
(iii) Which is not a combined sewer;and
Historic Property—means any building,structure,site,object or district that is listed on (iv)Which is not part of a Publicly Owned Treatment Works(POTW)as defined
the State or National Registers of Historic Places or is determined to be eligible for at 40 CFR 1222.
listing on the State or National Registers of Historic Places.
National Pollutant Discharge Elimination System(NPDES)-means the national
Impervious Area(Cover)-means all impermeable surtaces that cannot effectively system for the issuance of wastewater and stormwater permits under the Federal Water
infiltrate rainfall.This includes paved,concrete and gravel surtaces(i.e.parking lots, Pollution Control Act(Clean Water Act).
driveways,roads,runways and sidewalks);building rooftops and miscellaneous
impermeable structures such as patios,pools,and sheds. Natural Buffer—means an undisturbed area with natural cover running along a surtace
water(e.g.wetland,stream,river,lake,etc.).
Infeasible—means nottechnologically possible,or not economically practicable and
achievable in light of best industry practices. New Development—means any land disturbance that does not meet the definition of
Redevelopment Activity included in this appendix.
41 42
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New York State Erosion and Sediment Control Certificate Program—a certificate Qualified Inspector-means a person that is knowledgeable in the principles and
program that establishes and maintains a process to identify and recognize individuals practices of erosion and sediment control,such as a licensed Professional Engineer,
who are capable of developing,designing,inspecting and maintaining erosion and Certified Professional in Erosion and Sediment Control(CPESC),Registered
sediment control plans on projects that disturb soils in New York State.The certificate Landscape Architect,New York State Erosion and Sediment Control Certificate
program is administered by the New York State Conservation District Employees Program holder or other Department endorsed individual(s).
Association.
It can also mean someone working under the direct supervision of,and at the same
NOI Acknowledgment Letter-means the letter thatthe Department sends to an company as,the licensed Professional Engineer or Registered Landscape Architect,
owner or operator to acknowledge the Departmenfs receipt and acceptance of a provided that person has training in the principles and practices of erosion and sediment
complete Notice of Intent.This letter documents the owners or operators authorization control.Training in the principles and practices of erosion and sediment control means
to discharge in accordance with the general permit for stormwater discharges from that the individual working under the direct supervision of the licensed Professional
cons[ruc[ion ac[ivity. Engineer or Registered Landscape Architect has received four(4)hours of Department
endorsed training in proper erosion and sediment control principles from a Soil and
Nonpoint Source-means any source of water pollution or pollutants which is not a Water Conservation District,or other Department endorsed entity.After receiving the
discrete conveyance or poin[source permitted pursuant to Title 7 or 8 of Article 17 of initial training,the individual working under the direct supervision of the licensed
the Environmental Conservation Law(see ECL Section 17-1403). Professional Engineer or Registered Landscape Architect shall receive four(4)hours of
training every three(3)years.
Overbank—means flow events that exceed the capacity of the stream channel and spill
out into the adjacent floodplain. It can also mean a person that meets the Qualified Professional qualifications in
addition to the Qualified Inspec[or qualifications.
Owner or Operator-means the person,persons or legal entity which owns or leases
the property on which the cons[ruc[ion ac[iviry is occurring; an entity that has Note:Inspections of any post-construction stormwater management practices that
operational control over the construction plans and specifications,including the ability to include structural components,such as a dam for an impoundment,shall be pertormed
make modifications to the plans and specifications;and/or an entity that has day-to-day by a licensed Professional Engineer.
operational control of those activities at a project that are necessary to ensure
compliance with the permit conditions. Qualified Professional-means a person that is knowledgeable in the principles and
practices of stormwater management and treatment,such as a licensed Professional
Performance Criteria—means the design criteria listed under the"Required Elements" Engineer,Registered Landscape Architect or other Department endorsed individual(s).
sections in Chapters 5,6 and 10 of the technical standard,New York State Stormwater Individuals preparing SWPPPs that require the post-construction stormwater
Management Design Manual,dated January 2015.It does not include the Sizing management practice component must have an understanding of the principles of
Criteria(i.e.WQv,RRv,Cpv,Qp and Qf)in Part I.C.2.of the permit. hydrology,water quality management practice design,water quantity control design,
and,in many cases,the principles of hydraulics.All components of the SWPPP that
Point Source-means any discernible,confined and discrete conveyance,including but involve the practice of engineering,as defined by the NYS Education Law(see Article
not limited to any pipe,ditch,channel,tunnel,conduit,well,discrete fissure,container, 145),shall be prepared by,or under the direct supervision of,a professional engineer
rolling stock,concentrated animal feeding operation,vessel or other floating craft,or licensed to practice in the State of New York.
landfill leachate collection system from which pollu[an[s are or may be discharged.
Redevelopment Activity(ies)—means the disturbance and reconstruction of existing
Pollutant-means dredged spoil,filter backwash,solid waste,incinerator residue, impervious area,including impervious areas thatwere removed from a project site within
sewage,garbage,sewage sludge,munitions,chemical wastes,biological materials, five(5)years of preliminary project plan submission tothe local government(i.e.site plan,
radioactive materials,heat,wrecked or discarded equipment,rock,sand and industrial, subdivision,etc.).
municipal,agricultural waste and ballast discharged into water;which may cause or
might reasonably be expected to cause pollution of the waters of the state in
contravention of the standards or guidance values adopted as provided in 6 NYCRR Regulated,Traditional Land Use Control MS4-means a city,town or village with
Parts 700 et seq. land use control authority that is authorized to discharge under New York State DEC's
43 44
Appendix A Appendix A
SPDES General Permit For Stormwater Discharges from Municipal Separate
Stormwater Sewer Systems(MS4s)or the City of New York's Individual SPDES Permit Steep Slope—means land area designated on the current United States Department of
for their Municipal Separate Storm Sewer Systems(NY-0287890). Agriculture("USDA")Soil Survey as Soil Slope Phase"D",(provided the map unit name
is inclusive of slopes greater than 25%),or Soil Slope Phase E or F,(regardless of the
Routine Maintenance Activity-means conshuc[ion ac[iviry that is pertormed to map unit name),or a combination of the three designations.
maintain the original line and grade,hydraulic capacity,or original purpose of a facility,
including,but not limited to: Streambank—as used in this permit,means the terrain alongside the bed of a creek or
stream.The bank consists of the sides of the channel,between which the flow is confined.
• Re-grading of gravel roads or parking lots,
• Cleaning and shaping of existing roadside ditches and culverts that maintains Stormwater Pollution Prevention Plan(SWPPP)—means a project specific report,
the approximate original line and grade,and hydraulic capacity of the ditch, including construction drawings, that among other things: describes the construction
• Cleaning and shaping of existing roadside ditches that does not maintain the activity(ies),identifies the potential sources of pollution at the cons[ruc[ion si[e;describes
approximate original grade,hydraulic capacity and purpose of the ditch if the and shows the stormwater controls that will be used to control the pollutants(i.e.erosion
changes to the line and grade,hydraulic capacity or purpose of the ditch are and sediment controls; for many projects, includes post-construction stormwater
installed to improve water quality and quantity controls(e.g.installing grass management controls);and identifies procedures the owneroropera[orwill implementto
lined ditch), comply with the terms and conditions of the permit. See Part III of the permit for a
• Placement of aggregate shoulder backing that stabilizes the transition between complete description of the information that must be included in the SWPPP.
the road shoulder and the ditch or embankmen[,
• Full depth milling and filling of existing asphalt pavements,replacement of Surtace Waters of the State-shall be construed to include lakes,bays,sounds,
concrete pavement slabs,and similar work that does not expose soil or disturb ponds,impounding reservoirs,springs,rivers,streams,creeks,estuaries,marshes,
the bottom six(6)inches of subbase material, inlets,canals,the Atlantic ocean within the territorial seas of the state of New York and
• Long-term use of equipment storage areas at or near highway maintenance all other bodies of surface water,natural or artificial,inland or coastal,fresh or salt,
facilities, public or private(except those private waters that do not combine or effect a junction
• Removal of sediment from the edge of the highway to restore a previously with natural surtace waters),which are wholly or partially within or bordering the state
existing sheet-flow drainage connection from the highway surtace to the or within its jurisdiction.Waters of the state are further defined in 6 NYCRR Parts 800 to
highway ditch or embankmen[, 941.
• Existing use of Canal Corp owned upland disposal sites for the canal,and
• Replacement of curbs,gutters,sidewalks and guide rail posts. Temporarily Ceased—means that an existing disturbed area will not be disturbed
again within 14 calendar days of the previous soil disturbance.
Site limitations—means site conditions that prevent the use of an infiltration technique
and or infiltration of the total WQv.Typical site limitations include:seasonal high Temporary Stabilization-means that exposed soil has been covered with material(s)
groundwater,shallow depth to bedrock,and soils with an infiltration rate less than 0.5 as set forth in the technical standard,New York Standards and Specifications for
inches/hour.The existence of site limitations shall be confirmed and documented using Erosion and Sediment Control,to prevent the exposed soil from eroding.The materials
actual field testing(i.e.test pits,soil borings,and infiltration test)or using information can include,but are not limited to,mulch,seed and mulch,and erosion control mats
from the most current United States Department of Agriculture(USDA)Soil Survey for (e.g.jute twisted yarn,excelsior wood fiber mats).
the County where the project is located.
Total Maximum Daily Loads(TMDLs)-A TMDL is the sum of the allowable loads of a
Sizing Criteria—means the criteria included in Part I.C2 of the permit that are used to single pollutant from all contributing point and nonpoin[sources.It is a calculation of the
size post-construction stormwater management control practices.The criteria include; maximum amount of a pollutant that a waterbody can receive on a daily basis and still
Water Quality Volume(WQv),Runoff Reduction Volume(RRv),Channel Protection meet wa[erqualiry s[andards,and an allocation of that amountto the pollutanYs
Volume(Cpv),Overbank Flood(Qp),and Extreme Flood(Qf). sources.A TMDL stipulates wasteload allocations(WLAs)for poin[source discharges,
load allocations(LAs)for nonpoin[sources,and a margin of safety(MOS).
State Pollutant Discharge Elimination System(SPDES)-means the system
established pursuant to Article 17 of the ECL and 6 NYCRR Part 750 for issuance of Trained Contractor-means an employee from the contracting(construction)company,
permits authorizing discharges to the waters of the state. identified in Part III.A.6.,that has received four(4)hours of Department endorsed
45 46
nvva�d�;:n
training in proper erosion and sediment control principles from a Soil and Water AppENDIX B—Required SWPPP Components by Project Type
Conservation District,or other Department endorsed entity.After receiving the initial
training,the hained con[rac[or shall receive four(4)hours of training every three(3)
years. Table 1
Construction Activities that Require the Preparation of a SWPPP That Only
It can also mean an employee from the contracting(construction)company,identified in Includes Erosion and Sediment Controls
Part I I I.A.6.,that meets the qualified inspec[or qualifications(e.g.licensed Professional
Engineer,Certified Professional in Erosion and Sediment Control(CPESC),Registered The following construction activities that involve soil disturbances of one(1)or more acres of
Landscape Architect,New York State Erosion and Sediment Control Certificate land,but less than five(5)acres:
Program holder,or someone working underthe direct supervision of,and at the same
COmpany as,the liCensed PfOfessi0nal Engineef Of Registefed LandsCape AfChiteCt, •Single family home not located in one of the watersheds listed in Appendix C or not directly
pfOVided they haVe reCeiVed fOUf(4)hOUfs Of Department endOfsed tfaining in pfOpef discharging to one ofthe 303(d)segments listed in Appendix E
•Single family residential subdivisions with 25°k or less impervious cover at total site build-out and
efOsiOn and Sediment COntf01 pfinCiples ffOm a SOiI and Watef COnsefVatiOn DistfiCt,Of not located in one ofthe watersheds listed in Appendix C and not directly discharging to one of the
Othef DepaRment endOfsed entity). 303(d)segments listed in Appendix E
•Constmction of a barn or other agricuttural building,silq stock yard or pen.
The[rained con[rac[or is responsible for the day to day implementation of the SWPPP.
The following construction activities that involve soil disturbances between five thousand(5000)
Uniform Procedures Act(UPA)Permit-means a permit required under 6 NYCRR square feet and one(1)acre of land:
Part 621 of the Environmental Conservation Law(ECL),Article 70.
All construction activities located in the watersheds identifed in Appendix D that involve soil
Watef QUality Standafd-means SUCh measUfes Of pUfity Of qUality fOf any Watefs in disturbances between fve thousand(5,000)square feet and one(1)acre of land.
relation to their reasonable and necessary use as promulgated in 6 NYCRR Part 700 et
Seq. The following construction activities that involve soil disturbances of one(1�or more acres of
land:
• Installation of underground, linear utilities; such as gas lines, fber-optic cable, cable N,
elecMc,telephone,sewer mains,antl water mains
•Environmental enhancement projects,such as wetland mitigation projects,stormwater retrofts and
stream restoration projects
• Pond construction
•Linear bike paths running through areas with vegetative cover,including bike paths surfaced with an
impervious cover
•Cross-countryskitrailsandwalking/hikingtrails
•Sidewalk,bike path orwalking path projects,surfaced with an impervious cover,that are not part of
residential,commercial or institutional development;
•Sidewalk,bike path or walking path projects,surfaced with an impervious cover,that include
incidental shoulder or wrb work along an existing highway to support constmction ofthe sidewalk,
bike path orwalking path.
•Slope stabilization projects
•Slope flattening that changes the grade ofthe site,but does not significantly change the runoff
characteristics
47 48
Appendix B Appendix B
T2b10 1(COf1tIf1U0dJ CONSTRUCTION ACTIVITIES 7HAT REQUIRE THE PREPARATION OF A T2b10 2
SWPPP CONSTRUCTION ACTNITIES THAT REQUIRE 7HE PREPARATON OF A SWPPP THAT INCLUDES
THAT ONLY INCLUDES EROSION AND SEDIMENT CON7F20LS POSTCONSTRUCTON STORNNJAlER MANAGEMENT PRACTICES
The following construction activities that involve soil disturbances of one(1)or more acres of
lantl: The following construction activities that involve soil disturbances of one(1)or more acres of
land:
•Spoil areas that will be covered with vegetation
• Vegetated open space projects(i.e.recreational parks,lawns,meadows,felds,downhill ski trails) • Single family home located in one ofthe watersheds listed in Appendix C or directlydischarging to
excluding projects that atter hydrologyfrom pre to post development conditions, one ofthe 303(d)segments listed in Appendix E
•Athletic felds(natural grass)that do not include the construction or reconstmction of impeniious • Single family home that disturbs fve(5)or more acres of lantl
area and do not alter hydrologyfrom pre to post development conditions • Single family residential subdivisions located in one ofthe watersheds listed in Appendix C or
• Demolition project where vegetation will be established,and no redevelopment is planned directly discharging to one ofthe 303(d)segments listed in Appendix E
•Werhead elecMc transmission line project that does not include the constmction of permanent • Single family residential subdivisions that involve soil disNrbances of between one(1)and fve(5)
access roads or parking areas surtaced with impervious cover acres of land with greater than 25°k impervious cover at total site build-out
•Siructurel prectices as identifed in Table II in ihe"Agnculturel Management Prectices Catalog for • Single family residential subdivisions that involve soil disNrbances offve(5)or more acres of land,
NonpoiN Source Pollution in New York State",excluding projecis ihat involve soil disturbances of and single family residential subdivisions that involve soil disturbances of less than five(5)acres
greater than five acres and constmction activities that include the constmction or reconstmction of that are part of a larger common plan of development or sale that will ultimately disturb five or more
impervious area acres of land
•Temporary access roads,median crossovers,detour roads,lanes,or other temporary impervious • Multi-family residential developments;includes duplexes,townhomes,condominiums,senior
areas that will be restored to pre-constmction conditions once the constmction activity is complete housing complexes,apartment complexes,and mobile home parks
• Airports
• Amusement parks
• Breweries,cidenes,and winenes,including establishments constmcted on agncultural land
• Campgrounds
• Cemeteries that include the constmction or reconstmction of impervious area(>5°k of disturbed
area)or alter the hydrology from pre to post development conditions
• Commercial developments
• Churches and other places of worship
• Constmction of a barn or other agricuttural building(e.g.silo)and stmcNral practices as identifed in
Table II in ihe"Agnculturel Management Prectices Catalog for NonpoiN Source Pollution in New
York State"ihat include ihe consiruction or reconsiruction of impervious area,exclutling projects
that involve soil disturbances of less than fve acres.
• Golfcourses
• Institutional development;includes hospitals,prisons,schools and colleges
• Industrial facilities;includes industrial parks
• Landflls
• Municipal facilities;includes highway gareges,irensfer stations,offce buildings,POTW's,water
treatment plants,antl water storage tanks
• Office complexes
• Playgrounds that include the construction or reconstruction of impervious area
• Sports complexes
• Racetracks;includes racetracks with earthen(dirt)surtace
• Road constmction or reconstruction,including roads constmcted as part of the constmction
activities listed in Table 1
49 50
nvva�d�;:e
Table 2(Continued) APPENDIX C—Watersheds Requiring Enhanced Phosphorus Removal
CONSTRUCTION ACTNITES THAT REQUIRE THE PREPARATON OF A SWPPP THAT INCLUDES
POST-CONS7F2UCTON STORNNJATER MANAGENENT PRACTICES Watersheds where owners or operators of construction activities identified in
Table 2 of Appendix B must prepare a SWPPP that includes post-construction
The following construction activities that involve soil disturbances of one(1)or more acres of stormwater management practices designed in conformance with the Enhanced
lantl:
Phosphorus Removal Standards included in the technical standard,New York
• Parking lot constmction or reconstmction,including parking lots constructed as part ofthe State StofmWatef Management Design ManUal("Design ManUal°).
construction activities listed in Table 1
• Athletic felds(natural grass)that include the constmction or reconstruction of impervious area(>5°k
ofdisNrbed area)oralterthe hydrologyfrom pre to postdevelopmentcontlitions •Enti�e New Yo�k City Wate�shed located east of the Hudson Rive�-Figu�e 1
• Athletic felds with artificial turt •OnOndaga Lake Watefshed-FigUfe 2
• Permanent access roads,parking areas,substations,compressor stations and well drilling pads, •GfeenWOod Lake Watefshed-FigUfe 3
surfaced with impervious cover.and constmcted as part of an over-head elecMc transmission line •OsCaWana Lake Watefshed—FigUfe 4
project,wind-power project,cell tower project,oil or gas well drilling project,sewer orwater main •Kindefh0ok Lake Watefshed—Fi Ufe 5
project or other linear utility project
• Sidewalk,bike path or walking path projects,surfaced with an impervious cover,that are part of a
resitlential,commercial or instiNtional tlevelopment
• Sidewalk,bike path orwalking path projects,surfaced with an impervious cover,that are part of a
highway construction or reconstruction project
• All other construction activities that include the constmction or reconstmction of impeniious area or
atter the hydrology from pre to post development conditions,and are not listed in Table 1
51 52
Appendix C Appendix C
Fiqure 1-New York Citv Watershed East of the Hudson Fiqure 2-Onondaqa Lake Watershed
�� �,,� Ll ..�
?EEKP;1Pli �,,.�� � CLAY I CICERU
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53 54
nvva�d�;:c nvva�d�;:c
Fiqure 3-Greenwood Lake Watershed Fiqure 4-Oscawana Lake Watershed
PHILIPST�WN
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xENT
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55 56
Appendix C
Fiqure 5-Kinderhook Lake Watershed APPENDIX D—Watersheds with Lower Disturbance Threshold
Watersheds where owners or operators of construction activities that involve soil
disturbances between five thousand(5000)square feet and one(1)acre of land
must obtain coverage under this permit.
SANd LAKE
LAS i GKE LNF3 USi f
r� Entire New York City Watershed that is located east of the Hudson River-See Figure
1 in Appendix C
Nnssr.0
scuooncK
I NEW LEBAN
J
ICINOERHOOIC �
�� CFiATHMA
e,w.a.nra
L'A1 ATIf
T.Yillape.cr GRy 6ountlay�o�Nex lbrk Siate pq
0 1 2 -0�I
LJ KnticTook Lakc WatpaM1ctl �^
57 58
303(d)Segments Impaired by Construction Related Pollutant(s)
APPENDIX E—303(d)Segments Impaired by Construction Related Pollutant(s) ouechess Fall Kill and eri6s Nuerienrs
Dutchess Hillside Lake Nutrientr
List of 303(d)segments impaired by pollutants related to construction ectiviry(e.g.silt,sediment Dutchess Wappingers Lake Nutrienrs
or nutrients).The list was developed using"The Final New York State 2016 Section 303(d)List Dutchess Wa Lake 5ilt/5ediment
of Impaired Waters Requiring a TMDL/Other Strategy"dated November 2016.Owners or ppingers
operators of single family home and single family residential subdivisions with 25%or less total Erie Beeman Creek and tri6s Nutrients
impervious cover at total site build-out that involve soil disturbances of one or more acres of Erie Ellimtt Creek,Lower,and tri6s 5ilt/5ediment
land,but less than 5 acres,and directly discharge to one of the listed segments below shall Erie Ellimtt Creek,Lower,and tri6s Nutrients
prepare a SWPPP that includes post-construction stormwater management prectices designed Erie Green Lake Nutrients
in conformance with the New York State Stormwater Management Design Manual('Design Erie LitHe 5isterCreek,Lower,and tri6s Nutrienrs
Manual"),dated January 2015. Erie MurderCreek,Lower,and tri6s Nutrients
Erie Rush Creek and tri6s Nutrients
Erie Scajaquada Creek,Lower,and tri6s Nutrients
Erie ScajaquadaCreek,Middle,andtri6s Nutrients
COUNTY WATERBODY POLLUTANT Erie ScajaquadaCreek,Upper,andtri6s Nutrientr
Al6any Ann Lee(Shakers)Pond,Stump Pond Nutrientr Erie South Branch Smoke Cr,Lower,and tri6s Silt/Sediment
Al6any BasicCreekReservoir Nutrientr Erie SouthBranch5mokeCr,Lower,andtri6s Nutrientr
Allegany Amity Lake,Saunders Pond Nutrientr
Bronx Longlsland5ound,Bronx Nutrientr Essex LakeChamplain,MainLake,South Nutrientr
Bronx Van CortlandtLake Nutrientr Essex Lake Champlain,South Lake Nutrients
Broome Fly Pond,Deer Lake,Sky Lake Nutrientr Essex Wills6oro Bay Nutrientr
Broome MinorTri6stoLowerSusquehanna(north) Nutrientr Genesee BigelowCreekandtri6s Nutrientr
Broome WhitneyPointLake/Reserv Nutrientr Genesee BlackCreek,Middle,andm ortri6s Nutrients
Cattaraugus AlleghenyRiver/Reservoir o Nutrientr Genesee BlackCreek,Upper,andm ortri6s Nutrients
Genesee BowenBrookandtri6s Nutrientr
Cattaraugus Beaver(Alma)Lake Nutrientr Genesee LeRoy Reservoir Nutrientr
Cattaraugus Case Lake Nutrientr
Cattaraugus Linlym/CIu6 Pond Nutrientr Genesee Oak Orchard Cr,Upper,and tri6s Nutrientr
Ca Duck Lake Nutrientr Genesee Tonawanda Creek,Middle,Main Stem Nutrientr
yuga Greene Schoharie Reservoir Silt/Sediment
Cayuga LitHe Sodus Bay Nutrientr Greene Sleepy Hollow Lake Silt/Sediment
Chautauqua BearLake Nutrientr Herkimer SteeleCreektri6s Silt/Sediment
Chautauqua ChadakoinRiverandtri6s Nutrientr Herkimer SteeleCreektri6s Nutrientr
Chautauqua Chautauqua Lake,North Nutrientr Jefferson Moon Lake Nutrientr
Chautauqua Chautauqua Lake,South Nutrientr
Chautauqua FindleyLake Nutrientr Kings HendrixCreek Nutrients
Chautauqua Hul6urt/ClymerPond Nutrientr Kings ProspectParkLake Nutrientr
Clinton GreatChazy River,Lower,Main Stem Silt/Sediment Lewis Mill Creek/South Branch,and tri6s Nutrientr
Clinton Lake Champlain,Main Lake,Middle Nutrientr Livingston Christie Creek and tri6s Nutrientr
Clinton Lake Champlain,Main Lake,North Nutrientr Livingston Conesus Lake Nutrientr
Colum6ia KinderhookLake Nutrientr Livingston MiIlCreekandminortri6s Silt/Sediment
Colum6ia Ro6insonPond Nutrientr Monroe BlackCreek,Lower,andm ortri6s Nutrientr
Monroe Buck Pond Nutrientr
Cortland Dean Pond Nutrientr Monroe Cran6erry Pond Nutrientr
59 60
303(d)Segments Impaired by Construction Related Pollutant(s) 303(d)Segments Impaired by Construction Related Pollutant(s)
Monroe Lake Ontario 5horeline,Westem Nutrients Onondaga Onondaga Lake,northem end Nutrientr
Monroe LongPond Nutrientr Onondaga OnondagaLake,southemend Nutrientr
Monroe MiIlCreekandtri6s Nutrientr Ontario GreatBrookandminortri6s Silt/Sediment
Monroe MiIlCreek/BluePondOuHetandtri6s Nutrientr Ontario GreatBrookandminortri6s Nutrientr
Monroe MinorTri6stolrondequoitBay Nutrientr Ontario HemlockLakeOuHetandminortri6s Nutrientr
Monroe RochesterEm6ayment-East Nutrientr Ontario HoneoyeLake Nutrientr
Monroe RochesterEm6ayment-West Nutrientr Orange GreenwoodLake Nutrientr
Monroe Ship6uildersCreekandtri6s Nutrientr Orange MonhagenBrookandtri6s Nutrientr
Monroe ThomasCreek/WhiteBrookandtri6s Nutrientr Orange OrangeLake Nutrientr
Nassau BeaverLake Nutrientr Orleans LakeOntario5horeline,Westem Nutrientr
Nassau CamaansPond Nutrientr Orleans LakeOntario5horeline,Westem Nutrientr
Nassau EastMeadowBrook,Upper,andtri6s Silt/Sediment Oswego LakeNeatahwanta Nutrientr
Nassau EastRockawayChannel Nutrientr Oswego PleasantLake Nutrients
Nassau GrantParkPond Nutrientr Putnam BogBrookReservoir Nutrientr
Nassau Hempstead Bay Nutrientr Putnam Boyd Comers Reservoir Nutrientr
Nassau Hempstead Lake Nutrientr Putnam Croton Falls Reservoir Nutrientr
Nassau HewlettBay Nutrientr Putnam DivertingReservoir Nutrientr
Nassau HoglslandChannel Nutrientr Putnam EastBranchReservoir Nutrientr
Nassau Longlsland5ound,NassauCountyWaters Nutrientr Putnam LakeCarmel Nutrients
Nassau Massapequa Creek and tri6s Nutrientr Putnam Middle Branch Reservoir Nutrientr
Nassau Mil6um/Parsonage Creeks,Upp,and tri6s Nutrientr Putnam Oscawana Lake Nutrientr
Nassau ReynoldsChannel,west Nutrientr Putnam PalmerLake Nutrientr
Nassau TidalTri6stoHempsteadBay Nutrientr Putnam WestBranchReservoir Nutrients
Nassau Tri6s(fresh�toEastBay Nutrientr Queens BergenBasin Nutrientr
Nassau Tri6s(fresh�toEastBay Silt/Sediment Queens FlushingCreek/Bay Nutrientr
Nassau Tri6s to Smith/Halls Ponds Nutrientr Queens Jamaica Bay,Eastem,and tri6s(Queens) Nutrientr
Nassau WoodmereChannel Nutrientr queens KissenaLake Nutrientr
New Vork Harlem Meer Nutrientr Queens Meadow Lake Nutrientr
New Vork The Lake in Central Park Nutrientr queens Willow Lake Nutrientr
Niagara BergholtzCreekandtri6s Nutrientr Rensselaer NassauLake Nutrientr
Niagara Hyde Park Lake Nutrientr Rensselaer Snyders Lake Nutrientr
Niagara Lake Ontario 5horeline,Westem Nutrientr Richmond Grasmere Lake/Bradys Pond Nutrientr
Niagara LakeOntario5horeline,Westem Nutrientr Rockland CongersLake,SwartoutLake Nutrientr
Oneida Ballou,Nail Creeksand tri6s Nutrients Rockland Rockland Lake Nutrients
Onondaga Har6orBrook,Lower,and tri6s Nutrientr Saratoga Ballston Lake Nutrientr
Onondaga LeyCreekandtri6s Nutrientr Saratoga DwaasKillandtri6s Silt/Sediment
Onondaga MinorTri6stoOnondagaLake Nutrientr Saratoga DwaasKillandtri6s Nutrientr
Onondaga Ninemile Creek,Lower,and tri6s Nutrientr Saratoga Lake Lonely Nutrientr
Onondaga Onondaga Creek,Lower,and tri6s Nutrientr Saratoga Round Lake Nutrientr
Onondaga Onondaga Creek,Middle,and tri6s Nutrients Saratoga Tri6s ro Lake Lonely Nutrients
61 62
303(d)Segments Impaired by Construction Related Pollutant(s) 303(d)Segments Impaired by Construction Related Pollutant(s)
Schenectady Collins Lake Nutrientr Warren Huddle/Finkle Brooksand tri6s Silt/Sediment
Schenectady DuaneLake Nutrientr Warren IndianBrookandtri6s Silt/Sediment
Schenectady MariavilleLake Nutrientr Warren LakeGeorge Silt/Sediment
Schoharie EnglevillePond Nutrientr Warren Tri6stoL.George,VillageofLGeorge Silt/Sediment
Schoharie SummitLake Nutrientr Washington CossayunaLake Nutrientr
Seneca ReederCreekandtri6s Nutrientr Washington LakeChamplain,5outhBay Nutrientr
St.Lawrence Black Lake OuHet/Black Lake Nutrientr Washington Tri6s to L.George,EastShore Silt/Sediment
St.Lawrence Fish Creek and minortri6s Nutrientr Washington Wood Cr/Champlain Canal and minortri6s Nutrientr
Steu6en SmithPond Nutrientr Wayne PortBay Nutrientr
Suffolk Agawam Lake Nutrientr Westchester Amawalk Reservoir Nutrients
Suffolk Big/Little Fresh Ponds Nutrientr Westchester Blind Brook,Upper,and tri6s Silt/Sediment
Suffolk Canaan Lake Silt/Sediment Westchester Cross River Reservoir Nutrientr
Suffolk Canaan Lake Nutrientr Westchester Lake Katonah Nutrientr
Suffolk Flanders Bay,West/LowerSawmill Creek Nutrientr Westchester Lake Linmindale Nutrientr
Suffolk Fresh Pond Nutrientr Westchester Lake Meahagh Nutrientr
Suffolk GreatSouth Bay,East Nutrientr Westchester Lake Mohegan Nutrientr
Suffolk GreatSouthBay,Middle Nutrientr Westchester LakeShenorock Nutrientr
Suffolk GreatSouthBay,West Nutrientr Westchester Longlsland5ound,Westchester(East) Nutrients
Suffolk Lake Ronkonkoma Nutrientr Westchester Mamaroneck River,Lower Silt/Sediment
Suffolk Longlsland5ound,SuffolkCounty,West Nutrientr Westchester MamaroneckRiver,Upper,andminortri6s Silt/Sediment
Suffolk Mattituck(Marratooka)Pond Nutrientr Westchester Muscoot/Upper New Croton Reservoir Nutrientr
Suffolk Meetinghouse/TerrysCreeksandtri6s Nutrientr Westchester NewCrotonReservoir Nutrients
Suffolk Mill and Seven Ponds Nutrientr Westchester Peach Lake Nutrientr
Suffolk Millers Pond Nutrientr Westchester Reservoir No.l(Lake Isle) Nutrientr
Suffolk Moriches Bay,East Nutrientr Westchester Saw Mill River,Lower,and tri6s Nutrientr
Suffolk Moriches Bay,West Nutrientr Westchester Saw Mill River,Middle,and tri6s Nutrientr
Suffolk Pemnic River,Lower,and tidal tri6s Nutrientr Westchester Sheldrake Riverand tri6s Silt/Sediment
Suffolk quantuck Bay Nutrients Westchester Sheldrake Riverand tri6s Nutrients
Suffolk ShinnemckBayandlnlet Nutrientr Westchester SilverLake Nutrientr
Suffolk Tidaltri6stoWestMorichesBay Nutrientr Westchester TeatownLake Nutrientr
Sullivan Bodine,MontgomeryLakes Nutrientr Westchester TiticusReservoir Nutrientr
Sullivan Davies Lake Nutrientr Westchester Truesdale Lake Nutrients
Sullivan EvensLake Nutrientr Westchester WallacePond Nutrientr
Sullivan Pleasure Lake Nutrientr Wyoming Java Lake Nutrientr
Tompkins Cayuga Lake,Southem End Nutrientr Wyoming Silver Lake Nutrientr
Tompkins Cayuga Lake,Southem End Silt/Sediment
Tompkins Owasm Inlet,Upper,and tri6s Nutrients
Ulster Ashokan Reservoir Silt/Sediment
Ulster EsopusCreek,Upper,andminortri6s Silt/Sediment
Warren Hague Brook and tri6s Silt/Sediment
63 64
APPENDIX F—List of NYS DEC Regional Offices
50 CiaaE Rono 50 CiaaE Rono
� Nn55nunrvoSUFFo�x SiorvvBaoox,Nr11]90 SiorvvBaoox,Nr11]903409
TE�.(631)444-0%5 TE�.(631)444d405
1HurviEaSPoirviP�azn, 1HurvhaSPoirviP�azn,
2 Baorvx,Kirv�S,NEwVoax, 4]-00215iSi. 4]-40215iSi.
QUEErvSnrvoRicxmorvo Lorv�IS�nrvoCiir,Nr11101-540] Lorv�IS�nrvoQir,Nr11101b40]
TE�.(]18)482-499] TE�.(/18)482-0933
DuicxE55,0anrv�E,Puirvnm, 21SouixPuiiCoarvEaSRono 100W��5mEAVErvuE,SuiiE1w
3 Rocx�nrvo,Su��rvnrv,U�siEa NEwPn�rz,Nv12561-1696 WxiiEP�nirv5,Nv10603
nnuWEsicxEsiEa Te�.(845)2563059 Te�.(914)428-2505
A�anrvv,Co�umain,
DE�nwnaE,GaEErvE, 1150NoaixWESrcoiiRono 1130NoaixWESicoiiRono
Q Morvi�omEav,OisE�o, ScxErvEcinov,Nv 12306-2014 ScxErvEcrnov,Nv 12306-2014
RErv55E�nEa,ScxErvEcinov Te�.(518)35]-20G9 Te�.(518)35]-2045
nrvo ScxoxnaiE
C�irviorv,E55Ex,Fxnnn�in, ���SSiniERouiE86,POBox296 232Go�FCouaSERono
5 Fu�iorv,Hnmi�iorv, qpygaoox,Nv129]]-029G WnaaErvSaua�,Nv12885-11]2 TE�.
Snanio�n,Wnxxennnu ���518)89]-1234 (518)623-12(10
Wnsxirv�iorv
HERKIMER�EFFERSON, STATEOFFICEBUILDING STATEOFFICEBUILDING
6 LEWIS,ONEIDAAND 31]WASHINGTONSTREET 20]GENESEESTREET
ST.LAWRENCE WATERTOWN,NV 136013]8] UTICA,NV 13501-2885 TEL.(315)
TEL.(315)]85-2245 ]93-2554
BROOME,CAVUGA,
CHENANGO,CORTLAND, 615 ERIE BLVD.WEST 615 ERIE BLVD.WEST
] MADISON,ONONDAGA, SVRACUSE,NV 13204-2400 SVRACUSE,NV 13204-2400
OSWEGO,TIOGA AND TEL.(315)426-]438 TEL.(315)426-]500
TOMPKINS
CHEMUNG,GENESEE,
LIVINGSTON,MONROE, 62]4EASTAVON-LIMA 62]4EASTAVON-LIMARD.
$ OMARIO,ORLEANS, ROADAVON,NY 144149519 AVON,NY 14414-9519
SCHUVLER,SENEClS �L.(585)226-2466 TEL.(585)226-2466
STEUBEN,WAVNE AND
VATES
ALLEGANV, Z�pMICHIGANAVENUE 2]OMICHIGANAVENUE
9 CATTARAUGUS, gUFFALO,NY 14203-2999 BUFFALO,NV14203-2999
CHAUTAUQUA,ERIE, �L.(/16)851-]165 TEL.(/16)851-]0]0
NIAGARAAND WVOMING
65
Appendix G
Historic Preservation/Endangered Species Documentation
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PHASE 1 ARCHAEOLOGICAL SURVEY
227 KAYDEROSS AVENUE EAST
CITY OF SARATOGA SPRINGS
SARATOGA COUNTY, NEW YORK
Prepared for
227 Kaydeross Ave, Inc.
c/o The LA Group
40 Long Alley
Saratoga Springs, NY 12866
Prepared by
Curtin Archaeological Consulting, Inc.
61 Rowland Street
Ballston Spa, New York 12020
Report Authors:
Edward V. Curtin, Ph.D.
Kirsten Dymond, B.A.
September, 2019
MANAGEMENTSUMMARY
SHPO Project Review Number: 18PR04072
Involved State and Federal Agencies: CORPS
Phase of Survey: Phase 1A/1 B
Location Information
Location: 227 Kaydeross Ave East located to the west and east side of the bend in the road
Minor Civil Division: Saratoga Springs
County: Saratoga
Survey Area
Western area
Length: Max 330 m (1083 ft)
Wdth: Max 420 m (1376 ft)
Number of Acres Surveyed: 23+/- ac (9 ha)
Eastern area
Length: Max 185 m (606 ft)
Wdth: Max 56 m (184 ft)
Number of Acres Surveyed: 2+/- ac(0.7 ha)
USGS 7.5 Minute Quadrangle Map: Saratoga Springs
Archaeological Survey Overview
Number and Interval of Shovel Tests: 301 @ 7.5-15 meters (25-50 ft)
Number and Size of Units: n/a
Wdth of Plowed Strips: n/a
Surface Survey Transect Interval: n/a
Results of Archaeological Survey
Number and Name of Prehistoric Sites: 5, Kaydeross Ave. Precontact 1-5 Sites
Number and Name of Historic Sites: 1, Kaydeross Ave. Historic Site.
Number and Name of Sites Recommended for Phase II/Avoidance: All 6 sites
Results of Architectural Survey
Number of buildings/structures/cemeteries within Project Area: 2 (house and barn)
Number of buildings/structures/cemeteries adjacent to Project Area: 0
Number of previously determined NR Listed or Eligible
bu ild i ngs/structu res/cemeteries/d istricts: 0
Report Authors: Edward V. Curtin, Ph.D. and Kirsten Dymond, B.A.
Report Date: September 2019
i
TABLE OF CONTENTS
INTRODUCTION............................................................................................................................. 1
Project Location and Description............................................................................................ 1
Purpose and Scope of Work................................................................................................... 1
ENVIRONMENTAL SETTING......................................................................................................... 1
SITE FILE RESEARCH................................................................................................................... 3
NATIONAL REGISTER OF HISTORIC PLACES............................................................................ 4
PREVIOUS ARCHAEOLOGICAL RESEARCH .............................................................................. 5
HISTORIC MAPS RESEARCH ....................................................................................................... 6
MAP DOCUMENTED STRUCTURES ............................................................................................ 6
ARCHAEOLOGICAL SENSITIVITY................................................................................................ 7
PRIOR DISTURBANCE .................................................................................................................. 7
PHASE 1A SUMMARY AND RECOMMENDATIONS .................................................................... 7
PHASE 1 B ARCHAEOLOGICAL FIELD INVESTIGATION ............................................................ 7
SurveyStrategy....................................................................................................................... 8
PHASE 1 B ARCHAEOLOGICAL SURVEY RESULTS................................................................... 8
SoilStratigraphy...................................................................................................................... 8
Precontact Period Artifacts ..................................................................................................... 9
Historic Period Artifacts........................................................................................................... 9
ARCHAEOLOGICAL SITES............................................................................................................ 9
Kaydeross Ave. 1 Precontact Site .......................................................................................... 9
Kaydeross Ave. Historic Site................................................................................................. 10
Kaydeross Ave. 2 Precontact Site ........................................................................................ 11
Kaydeross Ave. 3 Precontact Site ........................................................................................ 11
Kaydeross Ave. 4 Precontact Site ........................................................................................ 11
Kaydeross Ave. 5 Precontact Site ........................................................................................ 11
PHASE 1 B ARCHAEOLOGICAL SURVEY SUMMARY AND RECOMMENDATIONS................ 11
REFERENCES CITED .................................................................................................................. 12
APPENDIX A: FIGURES............................................................................................................... 13
APPENDIX B: PHOTOS................................................................................................................ 31
APPENDIX C: SHOVEL TEST PIT RECORD............................................................................... 36
APPENDIX D: ARTIFACT CATALOG........................................................................................... 48
ii
INTRODUCTION
Project Location and Description
Curtin Archaeological Consulting, Inc. has been retained by Mr. Kenneth Scott to conduct
a Phase 1 archaeological survey of the proposed residential development at 227 Kaydeross
Avenue East, City of Saratoga Springs, Saratoga County, New York. The proposed project
includes larger and smaller development parcels on the west and east sides, respectively, of
Kaydeross Avenue East. Planned construction includes houses and roadways. The general
project location is shown on Figure 1. The Area of Potential Effect (APE) is shown in Figures 2-4.
Purpose and Scope of Work
The purpose of the Phase 1 archaeological survey is to identify the presence or absence
of archaeological sites within the project area. The scope of work for this undertaking includes: (1)
assessment of the environmental setting and visible indications of prior disturbance; (2)
compilation and interpretation of background information including a site file search and map
research; (3) appropriate archaeological fieldwork; and (4) a report of findings with
recommendations.
ENVIRONMENTAL SETTING
The project site is located in part on a long ridge and in part on a till plain located at the
base of the ridge on its eastern side. The till plain borders the short stream that provides the
outlet of Lake Lonely into Kayaderosseras Creek near Saratoga Lake. The ridge overlooks Bear
Swamp from the south and east and the till plain bordering the Kayaderosseras Creek delta from
the north and west. The mapped soils (Table 1, Figure 3) reflect the formation of soil during the
retreat of the Wisconsinan glacier. They are different till and lake plain soils, although they
reportedly overlay folded bedrock in the lower elevation along Kaydeross Ave. East. Elevations
range from about 210-280 feet above mean sea level. Water sources in the immediate vicinity
include a small, seasonal stream that separates upper and lower portions of the ridge. The soils
tend to be either silty loam or sandy loam overlying channery silty of clayey loam, except for
Claverack loamy fine sand, which overlies clay. Shovel testing reported later supports this to a
great extent, although rocks often were more rounded than channery, and gravel commonly
occurred.
Table 1: Soil Data(USDA 1992)
Name(symbol) Soil Horizon Depth Color Texture Slope Drainage Landform
cm(in) %
Bernardston silt 0-25(0-10) br si lo Top of hills in
25-41(10-16) dk ye br channery lo Well drained glacially
�BmB� 41-66(16-26) ye br channery l0 3-8 soil modified
66-183(26-72) ol br channery si lo uplands
Bernardston silt 0-25(0-10) br si lo Sides of hills
25-41(10-16) dk ye br channery lo Well drained in glacially
(BmC) 41-66(16-26) ye br channery l0 8-15 soil modified
66-183(26-72) ol br channery si lo uplands
1
Bernardston silt 0-25(0-10) br si lo Sides of hills
loam 25-41(10-16) dk ye br channery l0 15-25 Well drained in glacially
(BmD) 41-66(16-26) ye br channery lo soil modified
66-183(26-72) ol br channery si lo uplands
Bernardston Bernardston Bernardston
0-25(0-10) br silo
25-41(10-16) dk ye br channery lo
41-66(16-26) ye br channery lo
66-183(26-72) ol br channery si lo
Bernardston- Manlius Manlius Manlius Well drained
Manlius-Nassau 0-13(0-5) dk br channery si lo Glacial till on
complex, 13-46(5-18) br channery si l0 3-8 to somewhat folding
undulating 46-53(18-21) br v channery si lo excessively bedrock
(BnB) 53-61(21-24) ye br e�r. channery si lo drained
Soft shale bedrock Soft shale bedrock Soft shale bedrock
Nassau Nassau Nassau
0-8(0-3) v dk gy br channery si lo
8-46(3-18) ye br v channery si lo
Soft shale bedrock Soft shale bedrock Soft shale bedrock
0-18(0-7) dk gy br si lo Broad flats
Burdett silt loam 18-28(7-11) mott It ye br v fi sa lo Poorly and at the
�BXB� 28-46(11-18) mott dk gy br si cl l0 3-8 drained base of hills
46-84(18-33) mott ol br channery cl lo on till plains
84-183(33-72) mott dk gy br channery si lo
0-20(0-8) v dk gy br lo fi sa
Claverack 20-33(8-13) mott It ol br fi sa
33-53(13-21) mott br fi sa Moderately Old lake
loamy fine sand 53-69(21-27) dk gy br sa 3-8 well drained plains
(CIB) 69-79(27-31) mott gy br si lo
79-183(31-72) mott br si cl
0-23(0-9) v dk gy si lo
23-36(9-14) mott dk gy br si lo Base of
36-46(14-18) mott gy br si lo
Ilion silt loam 46-81(18-32) mott gy br si cl l0 0-3 Poorly slopes and in
(In) g1-102(32-40) mott dk gy br si cl lo drained depressions
102-127(40-50) mott dk gy br channery si cl lo on till plains
127-183(50-72) mott gy br channery si lo
Key: v: very; extr: extremely; dk: dark; It: light; gy: gray; mott: mottled; br: brown; rd: red; ol: olive; ye: yellow;
lo: loam; cl: clay; si: silt; sa: sand; grv: gravel
The project area lies within the Oak-Northern Hardwood vegetation zone, which is
dominated by oak, yellow birch, beech, elm, and some white pine and maple, with invading
species like red cedar, white ash and hawthorn. These less common species usually reside on
abandoned farmland or on north-facing slopes where there is less sun and therefore cooler
temperatures (DeLaubenfels 1977). The Oak-Northern Hardwood zone is described primarily as
a transition zone where oaks and the northern hardwood species alternate or intermingle. This
suggests that the precontact forested landscape of the project parcel would have been covered
primarily with beech and sugar maple, with considerable oak, as well as associated ash,
basswood, cherry, birch and white pine. Much of the project APE has been cleared and contains
a tall weedy mix of goldenrod, raspberries, and artemisia interwoven with grapes and other vines.
2
SITE FILE RESEARCH
The archaeological site files of the New York State Museum (NYSM) and OPRHP, both
maintained at OPRHP, were reviewed in order to identify whether archaeological resources have
been reported previously within a one-mile radius of the project location. The list of previously
recorded site is shown in Table 2.
Table 2: Site Files Research
NYSOPRHP Additional Site# Distance to Time Period Site Type National
Site# Parcel m ft Re ister
09140.001437 High Rock 1495(4905) LA-EW Workshop/Camp Undetermined
Prehistoric Site
09140.001470 Three Brothers 94(308) No info No info Undetermined
Precontact Site
09140.001452 Arrowhead Rd- 801(2628) No info Camp Undetermined
Vistas Locus 4
09140.001453 Arrowhead Rd- 886(2907) No info Camp Undetermined
Vistas Locus 3
09140.001457 Vistas Locus 6 877 2877 No info Cam Undetermined
09140.000169 Arrowhead Casino 991(3251) No info No info Listed
Site
09140.000170 The Lakeshore 1142(3747) No info No info Undetermined
Area Site
09140.001458 Vistas Locus 7 865 2838 No info Cam Undetermined
09140.001459 Vistas Locus 8 933 3061 No info Cam Undetermined
09140.001456 Vistas Locus 5 1171 3842 No info Cam Undetermined
09140.001455 Vistas Locus 1218(3996) No info Camp Eligible
2/Rafters Site
09140.001496 The Kaydeross 1425(4675) No info Workshop??? Undetermined
Park Site Locus 5
09140.000168 The Kaydeross 1512(4961) No info No info Undetermined
Park Site Locus 1
09140.001454 Vistas Locus 1 1599 5246 No info Cam Eli ible
09140.001497 The Spencer Site 1447(4747) Carbon date Camp Undetermined
of 480±80
B.P. (AD
1470±40 rs
09140.001603 South Parcel 4 Site 1185 3888 No info No info Undetermined
09140.001445 Crescent Ridge 1327(4354) No info ???? Eligible
Prehistoric Site
09140.001600 South Parcel 1 Site 1142 3747 No info No info Undetermined
09140.001601 South Parcel 2 Site 1065 3494 No info No info Undetermined
09140.001602 South Parcel 3 Site 1078 3537 No info No info Undetermined
09140.001412 Prehistoric Site 1 1367(4485) Potentially No info Not Eligible
Archaic
09140.001415 Prehistoric Site 4 1535 5036 No info Isolated find Not Eli ible
09140.001416 Prehistoric Site 5 1301 4268 No info Isolated find Not Eli ible
09140.001413 Prehistoric Site 2 1108(3635) Potentially No info Not Eligible
Archaic
09140.001417 Ramsdill 1034(3392) Prior to 1856 Foundation and Undetermined
Residence/Farm several
Site outbuilding
remains
09140.001418 Ramsdill 456(1496) Priorto 1856 Scattered wooded Undetermined
Outbuildings Site timbers and
altered original
round contours
09140.001477 Saratoga Traction 109(358) 1918-1929 Some rails still Not Eligible
Com an RR Site artiall visible
NYSM 1309 1427 4682 No info No info
3
NYSOPRHP Additional Site# Distance to Time Period Site Type National
Site# Parcel m ft Re ister
NYSM 1305 868(2848) Late Archaic No info
Kitchen Garden
NYSM 1306 964(3163) LA:LAT:EW:- Camps
Arrowhead II W
NYSM 1307 978(3209) MA:LA:TR No info
Arrowhead Casino
NYSM 8514 No 976(3202) No info No info
Info
NYSM 2667 799(2621) LA?:TR?:NO Camp
Cottonwood INFO?
NYSM 9249 Site? 381 1250 No info No info
NYSM 2674 700(2297) PH:HE? No info
Kaydeross 2(Loci
1-3
NYSM 2674 561(1841) PH:HE? No info
Kaydeross 2(Loci
1-3
NYSM 2672 920(3018) HE Dump
Ka deross 1
NYSM 2674 454(1490) PH:HE? No info
Kaydeross 2(Loci
1-3
NYSM 2673 396(1299) LW No info
Ka deross 3
NYSM 4701 No 240(787) No info Village
Info
NYSM 6907 393 1289 No info Cam s
NYSM 4699 0(Corner in PH Camps
arcel
NYSM 8457 175 246 MA:LA No info
A large number of archaeological sites have been recorded previously in the search
radius. These include 40 precontact period sites and 3 historic period sites, as listed in Table 2.
Although in several cases no information was obtained regarding time period, it is otherwise
known or reasonably assumed that these are precontact period sites. Although one site (NYSM
4699) is recorded within the development parcel, and several others (e.g., 09140.001470,
09140.001477, and NYSM 8457) are recorded close to the parcel, these sites are only near the
boundary of the large parcel; they are not close at all to the APE. The closest previously
recorded site to the APE is NYSM 4701, reported to be a precontact period village site. This site
is depicted near Kaydeross Avenue East some 240 meters (787 feet) from the southern boundary
of the APE.
NATIONAL REGISTER OF HISTORIC PLACES
Two sites listed in the National Register of Historic Places (NRHP)were identified in the
search radius (Table 3). None are in or adjacent to the APE. The Arrowhead Casino site is a
precontact period archaeological site also identified in Table 2. In addition the Union Avenue
Historic District is some 1080 m (3251 ft) from the development parcel.
Table 3: NRHP Sites within One Mile of the Pro�ect Site.
NR# Description Address Distance m(ft)
-------- Arrowhead Casino Site Confidential 991(3251)
90NR02598 Union Avenue Historic District Saratoga Springs, NY 1080(3543)
4
PREVIOUS ARCHAEOLOGICAL RESEARCH
Numerous archaeological surveys conducted within approximately 1 mile of the project
site have been identified. None of these have been conducted within or adjacent to this project's
APE. The surveys conducted the vicinity include:
AKRF, Inc.
2014 Phase IA Archaeological Survey, Saratoga Race Course Redevelopment Project,
City of Saratoga Springs, Saratoga County, New York.
Curtin Archaeoloqical Consultinq, Inc.
2015 Phase 1 Archaeological Survey, 5084 Nelson Avenue Extension, 3-Lot
Subdivision, Town of Malta, Saratoga County, New York.
2015 Phase 1 Archaeological Survey, Proposed Residential Subdivision, Arrowhead
and Kaydeross Park Roads, City of Saratoga Springs, Saratoga County, New York.
2017 Additional Phase 1 B Archaeological Survey, Archaeological Site Boundary
Refinement East of the South Parcel 1 Site, and Phase 2 Archaeological Surveys of the
South Parcel 2 and 3 Sites, Spencer Property, Kaydeross Park and Arrowhead Roads,
City of Saratoga Springs, Saratoga County, New York.
2018 Revised Report: Additional Phase 1 B Archaeological Survey, Archaeological Site
Boundary Refinement of the South Parcel 1 Site, and Phase 2 Archaeological Surveys of
the South Parcel 2 and 3 Sites, Spencer Property, Kaydeross Park and Arrowhead
Roads, City of Saratoga Springs, Saratoga County, New York.
Greenhouse Consultants Incorporated
1999 Stage 1 B/2 Archaeological Survey, Crescent Avenue and Arrowhead Road,
Saratoga Springs, Saratoga County, New York.
2000 Stage I Cultural Resource Survey of the Proposed Saratoga Farm Development,
Town of Malta, Saratoga County, New York.
2001 Stage 1 B Archaeological Survey Zones 10 and 11 of the Woodlands, Saratoga
Springs, Saratoga County, New York.
Hartqen Archeoloqical Associates, Inc.
1999 Phase IA Archeological Sensitivity Assessment and Phase IB Archeological Field
Investigation Revised, Proposed Fiber Optic Line 98PR3309, Albany to Glens Falls,
Albany, Saratoga &Warren Counties, New York.
2000 Phase IA Literature Review and Archeological Sensitivity Assessment, City of
Saratoga Springs, Long Term Water Source Development Study, Saratoga County, New
York.
2001 Phase IA Report for Archeological Potential Sensitivity Assessment and Phase
IB Archeological Field Investigation, SBA Saratoga Communications Facility, Crescent
Avenue, Town of Saratoga, Saratoga County, New York.
2002 Phase IA Literature Review and Sensitivity Assessment and Phase IB
Archeological Field Reconnaissance, Proposed SBA Saratoga Communications Facility
II, Site No. 10155-044, Town of Saratoga, Saratoga County, New York.
5
Public Archaeoloqv Facilitv/SUNY Binqhamton
2009 Cultural Resource Reconnaissance Survey, OGS S4284, Saratoga Gaming and
Raceway, City of Saratoga Springs, Saratoga County, New York.
HISTORIC MAPS RESEARCH
The following maps, ordered chronologically, were consulted to identify possible historic
sites. Where possible, maps were georeferenced using GIS software. Historic map coverage is
inclusive forthe years 1779 to 1949. These maps are presented as figures in this report in order
to illustrate historic occupation and land use. Spatial distortions in the underlying historic maps
may be apparent in comparison to the APE outline once georeferenced. Table 4 provides a
summary. The abundance of structures/names identified is amplified due to distortion in the
underlying maps. This issue is discussed in the next section.
Table 4: Historic Ma s
Map Date Reference Name/Other in/near APE
1779 A Chorographical Map of the Province of New York, Claude J. n/a
Sauthier Fi ure 5
1829 Ma of the Count of Sarato a, David H. Burr Fi ure 6 n/a
1856 Map of Saratoga County, New York, Samuel Geil (Figure 7) L. Riley, W.M. Swarts, D.
Davis
1876 Map of Saratoga and Ballston with surroundings, Beers J. Davis, W. Swart
Fi ure 8
1879 Map of Saratoga Springs, Saratoga Co., NY, Cramer& Mott L. Riley, L. Abel, W. Abel,
Fi ure 9 C. Whitford
1890 Ma of Sarato a Count , Lant and Silvernail Fi ure 10 One buildin
1902 Sarato a 15'minute USGS Quadran le Fi ure 11 One buildin
1942 Sarato a 15'minute USGS Quadran le Fi ure 12 One buildin
1949 Sarato a 15'minute USGS Quadran le Fi ure 13 One buildin
MAP DOCUMENTED STRUCTURES
The earliest map reviewed is the Sauthier 1779 map which was prepared for American
military use during the Revolutionary War. It depicts the nexus of roads and Indian paths in the
Saratoga Springs area, including Indian paths that merge near the south bank of Kayaderosseras
Creek, and after crossing the creek, continue north as a single path routed between Saratoga
Lake and Lake Lonely. This is in the vicinity of the project site. It isn't possible to compare this
path further in relations to Kaydeross Avenue East or other nearby roads due to the scale and
schematic nature of the map. The next map reviewed, the 1829 Burr atlas, also is schematic but
it too shows a road passing north of Kayaderosseras Creek and continuing northeast between
Lake Lonely (labeled "Owl Pond") and Saratoga Lake.
The subsequent maps show structures in the vicinity, but until the 1942 USGS quad,
most of these maps are so distorted they cannot be interpreted with precision. The middle to late
19th century maps show structures associated with names. The georeferenced maps often show
the APE and parcel too far south; and on different maps it is shown too far west or east. This is
due to distortion in the underlying maps. The 1879 Cramer and Mott map is the most accurate
(least distorted) of these maps, and it is a fair conclusion that this map shows the L. Riley house
and barn within the APE on the west side of the road. The spatial relationship between the house
and barn is very similar to the extant structures in this vicinity. The positions of house sites and
associated family names on the 1856 map suggests that the house at the project site also is
shown on that map, where it is also is labelled L. Riley. It therefore appears that the house at the
project site may have been in this location since the data were collected for the 1856 map
(probably a little earlier than 1856). However, it is not possible to tell whether the house may
have been moved a short distance to its current location between 1856 and 1879. This is
6
relevant because according to property owner Kenneth Scott, the house was moved to its present
location from off-site. In any event, its presence in this location may not greatly predate 1856. At
the same time, archaeological data tend to indicate that the house site within the APE was not
occupied during the late 18th-early 19th centuries, as no artifacts from this period were found
during the Phase 1 B portion of this survey. The artifacts are discussed I more detail later in this
report.
ARCHAEOLOGICAL SENSITIVITY
The project APE is within a one mile radius in which a large number of archaeological
sites have been reported previously (although none have been recorded previously within the
APE). The ridge and much of the till plain are elevated above local streams, seasonal streams
and wetlands. Soil drainage is variable, but some of it is well drained to moderately well-drained.
These are conditions that are considered conducive to precontact period archaeological site
occurrence. The APE therefore is considered sensitive for the occurrence of precontact period
sites.
The area around the house is considered sensitive for the occurrence of an historic
period archaeological site dating to the late 19th century, and possibly predating 1856.
PRIOR DISTURBANCE
The APE has been little affected by prior disturbance. Prior disturbances include
construction of the house, driveway (and possibly driving or parking areas now covered with
lawn) and any leveling or landscaping that may have affected the lawn areas fronting the road.
Agricultural activities such as plowing and orchard planting are not considered to be substantial
disturbances precluding the need for shovel testing.
PHASE 1A SUMMARY AND RECOMMENDATIONS
A complete and comprehensive Phase 1A archaeological survey has been conducted.
Portions of the project site have been disturbed, but these disturbances are limited in extent
compared to the size of the survey area. The project APE is considered sensitive for the
occurrence of precontact period archaeological sites, and in the area around the house a mid-late
19th century archeological site may occur. As a result of these findings, a Phase 1 B
archaeological survey is warranted.
PHASE 1 B ARCHAEOLOGICAL FIELD INVESTIGATION
The Phase 1 B field survey was conducted during good weather from August 5-
September 18, 2019 by the Principal Investigator and the Assistant Archaeologist. During
fieldwork the weather was sunny and seasonably warm to hot. Transects 1-4 were deployed in
the area east of Kaydeross Avenue East, while Transects 5-45 were set up on the terrace and
ridge west of the road.
The Phase 1 B field methodology was guided by Section 2.3 of the New York
Archaeological Council Standards (NYAC 1994), as well as guidelines provided by the New York
State Historic Preservation Office (SHPO 2005). Photographs (shown in Appendix B) were taken
of the project APE to demonstrate current conditions and document evidence of prior disturbance.
Following the completion of fieldwork, all field data were brought to the Curtin Archaeological
office and lab for processing and analysis.
7
Survey Strategy
The APE was shovel tested at a 15 m (50 ft) interval exclusive of steep slopes (>12-15%
slope), standing water, and locations where the shovel test grid points fell on the house and
garage. Gaps at the ends of transects were filled in with 7.5 m (25 ft) interval shovel pits (STPs).
STPs were placed within 7.5 m (25 ft) of the house at Transects 35 and 45.
The survey area is mostly open around the house and barn, wooded with thick
underbrush east of the road, and variously wooded on the ridge west of the house and barn. The
variously wooded conditions on the ridge included an old apple orchard that had become
overgrown with underbrush, as well as open mixed pine hardwoods merging into areas where
weedy and intrusive species such as honeysuckle and Asian bittersweet have taken over. There
was much downed wood (often associated with Asian bittersweet infestation) in this thick
underbrush. Machete-cut paths and agile climbing were needed to reach STP locations in these
areas. Sighting compasses and tapes were used to align and measure the transects in
coordination with wetland flags, the road and house, iron rods, and flagged boundaries located in
the field. All soil was screened through '/ inch mesh hardware cloth.
PHASE 1 B ARCHAEOLOGICAL SURVEY RESULTS
A total of 306 STPs was set up, of which 301 were excavated along 45 transects (Table
5). All STPs are displayed on Figures 14 and 15. Figure 16 displays the phot angles. STPS that
were not excavated (referred to as "no digs") were not excavated for the following reasons. One
location fell on the house, one on the garage, and one on the pond. Two locations fell in an area
thickly covered with 20th century refuse including concrete, large pieces of wood, and metal
objects that formed a barrier over the surface. The shovel test pit records are presented in
Appendix C.
Table 5: Phase 1 B STP Summary
STPs n=
7.5-15m 25-50 ft 306
Minus no di s 5
Total 301
Soil Stratigraphy
East of the road the soil was rocky to very rocky and usually differentiated into an A
horizon 15-25 cm thick composed of rocky silt, clay, or loam over a B horizon composed of light
brown, yellow brown, or dark yellow brown soil of similar, although sometimes rockier
composition. The A horizon appeared to be missing at STP 3/6.
West of the road the terrace area between the ridge and the road, including the area
around the house, barn, and pond, typically showed an A-B soil sequence in which the A horizon
usually was about 20-30 cm thick. Soil texture often was rocky and included various mixtures of
silt, clay, and loam, although clay predominated near the farm pond. A mixed zone indicating
prior disturbance occurred in front of the house at STPs 45/2 and 45/3. An apparent historic
period or modern sheet midden was found at STPs 35/3 and 35/4. The midden soil fully included
or incorporated the A horizon. The midden was very dark brown gravelly silty loam 22-38 cm
thick overlying a dark yellow brown similar gravelly B horizon. This midden thinned away from
the house over an interval of 7.5 m (25 ft) to 22.5 m (75 ft) from the house. Artifact content will be
discussed presently, although it is noted here that precontact period chert artifacts were found in
the A horizon in the same STPs within the historic midden.
Soil on the ridge was gravelly and rocky to very gravelly, with varying mixtures of loam,
silt, sand and clay. The stratigraphy differentiates into an A-B sequence with the A horizon
relatively thin in many cases, often ranging between 15-25 cm thick, or a little more or less in
8
some cases, but generally not more than 32 cm. The soil stratigraphy where precontact period
artifacts were found is detailed below where the archaeological sites are discussed.
Precontact Period Artifacts
Precontact period artifacts were found at STPs 5/2, 23/1, 23/2, 28/8, 29/7, 34/2, 35/3 and
35/4. The precontact period artifact found include 1 quartzite flake, several chert flakes, one
piece of fire cracked rock, and a chopper. These are distributed among 5 archaeological sites to
be described further in this report.
Historic Period Artifacts
Historic period artifacts were found in several contexts, including a midden south of the
227 Kaydeross Avenue East house, anther locations at the front of the house, and at low density
in dispersed locations within the APE. The midden STPs (35/3 and 35/4) as well as an STP
between the house and the road are included within a historic period archaeological site identified
for this report as the Kaydeross Ave.Historic Site. The dispersed locations where historic period
artifacts were found do not appear to represent archaeological sites but rather represent small
numbers of waste items often found widely distributed across landscapes. The historic period
artifacts associated with the house are discussed later in a section on the historic period
archaeological site. The dispersed items are described and enumerated here in Table 6.
Table 6: Historic Artifacts Found in Non-Site Locations
STP Number Artifacts Age Range if Evident
1/13 1 vessel glass 19 -early 20 century
2/11 1 wire fragment
12/7 1 cut nail 1805+
15/3 1 vessel glass
26/7 1 flat glass
26/8 2 whiteware 1820+
35/5 1 nail or rivet
37/1 5 flat glass
1 vessel glass
1 mortar fra ment
37/5 1 vessel glass
39/5 1 flat glass
1 wire nail
ARCHAEOLOGICAL SITES
Kaydeross Ave. 1 Precontact Site
The Kaydeross Ave 1 Precontact Site is located south of the 227 Kaydeross Avenue East
house. The setting described more broadly is the low terrace overlooking the Lake Lonely outlet
creek. STPs 35/3 and 35/4 yielded a total of 3 chert flakes of varying lithic material including grey
quartzite, translucent grey chert, and Normanskill chert. All are believed to be locally available
material. Grey quartzite may be locally available among glacially transported stone, while
Normanskill chert occurs in bedrock nearby in the Town of Easton. Translucent grey chert similar
to the flake found here outcrops in High Rock Park, Saratoga Springs.. Although size varies
among these flakes, they tend to be large (>1.5 cm). These flakes were mixed with historic
artifacts in the midden deposit, and may have been displaced upward or downward, or even
laterally due to house construction. The boundaries of the prehistoric site are interpolated at 25 ft
(7.5 m) from the STP location.
9
Kaydeross Ave. Historic Site
The Kaydeross Ave. Historic Site (with a presumed buffer) includes the area within 50
feet of the 227 Kaydeross Avenue East house including the extent to the road on the east, and a
southern extension including the midden. These boundaries exclude STP 35/5, which appears to
be an isolated artifact location, and STP 37/1 which based upon modern trash on the ground
surface in this vicinity, appears to be part of a modern trash disposal area. The boundaries are
drawn broadly enough to reasonably include the midden, artifact finds in proximity to the house,
and a zone in which features such as privies and wells may occur.
The house at 227 Kaydeross Avenue East reportedly was moved to the location where it
is found now. The timing of this move is not known. A review of historic maps seems clear in
placing the house in its current location by 1879. Earlier maps in this case are severely distorted
as was revealed when they were georeferenced. However, consistencies along Kaydeross
Avenue East seen in the 1856 and 1876 maps suggest that the house may have been present by
1856. The name L. Riley is associated with this property by 1879, and perhaps earlier.
Artifacts recovered include a screw and a fragment of flat glass from STP 45/2 in front of
the house, and numerous artifacts from the midden area, recovered in STPs 35/3 and 35/4. The
midden deposit thinned away from the house and included the artifacts enumerated in Table 7.
The artifact assemblage is varied, but numerically dominated by architectural items such as nails
and flat (window) glass. Arms or recreational items including a shotgun shell and a fishhook are
present, as are flowerpot fragments. Food-related artifacts are not very common, although they
generally are relatively common in middens associated with houses. At this site they include a
small amount of whiteware and probably at least some of the vessel glass. This assemblage has
no artifacts (such as creamware, pearlware, or wrought nails) that would definitively be
associated it with an early period of occupation during the late 18th or early 19th century. Artifacts
that could have been used in the later part of that time-frame include the whiteware and cut nails,
but these artifact classes are associated with long periods (approaching the present)when they
could have been manufactured and used. Moreover, it is more likely that cut nails than wire nails
would have been used in the late 19th century, although at this site wire nails are more common.
Several of the items recovered, including the wire nails and a can fragment indicate that this
midden was forming during a relatively late time-frame such as the late 19tn_20tn century.
Table 7: Historic Artifacts Recovered from the Midden South of the House
Context Artifacts A e Ran e
STP 35/3, Stratum 1 1 vessel glass
1 vessel glass 1820-1930 (poss. 1890-1920)
2 cut nails 1805+
4 cut nail fragments 1805+
2 wire nails 1850-present
5 wire nail fragments 1850-present
1 can fragment 1898-present
3 nail fragments unidentifiable
1 clam shell
3 coal
1 brick fragment
2 flat glass
4 animal bone
1 shotgun shell
5 redware flower ot sherds
STP 35/4, Stratum 1 2 whiteware 1820-present
1 cut nail 1805+
2 cut nail fragments 1805+
1 nail fragment unidentifiable
1 fishhook
10
Kaydeross Ave. 2 Precontact Site
The Kaydeross Avenue 2 Precontact Site is located on the eastern part of the ridge
overlooking the small seasonal stream. Artifacts including 2 relatively large flakes and a piece of
fire cracked rock occurred in 2 consecutive STPs (23/1 and 23.2). The flakes are made of
Normanskill and Snake Hill cherts; Snake Hill also is a locally available chert. The Normanskill
chert flake has evidence of use-wear associated with cutting or scraping.
Kaydeross Ave. 3 Precontact Site
The Kaydeross Ave. 3 Precontact Site also include 2 consecutive STPs, 28/8 and 29/7.
It is located on the lower part of the south-facing slope of the eastern part of the ridge. Three
chert flakes were found including 2 relatively large flakes (>1.5 cm) made of Normanskill chert,
and 1 small flake (0.5-1.0 cm) made of a black chert. While the flakes found at the other sites
and at STP 29/7 were found in the A horizon, the flake from STP 28/8 was found in the B horizon
(subsoil).
Kaydeross Ave. 4 Precontact Site
The Kaydeross Ave. 4 Precontact Site includes a single flake find at STP 34/2. It is on
the lower slope of the east ridge in a southwest aspect overlooking the small seasonal stream.
The flake found here is of inedium size (1.0-1.5 cm) and is made of Onondaga chert. Onondaga
chert occurs south of the Mohawk River and west of the Hudson River. With respect to possibly
more local availability of Onondaga chert, it could not have been glacially transported to the
project site, and there is no alternative transport means other than human mobility. It is therefore
somewhat more exotic than the other cherts identified in this survey. Since the Kaydeross Ave. 4
Precontact Site consisted of 1 flake found in one STP, it may represent an isolated find.
However, this has not been explored further as avoiding impact at this site is planned.
Kaydeross Ave. 5 Precontact Site
The Kaydeross Ave. 5 Precontact Site includes a chopper or chopper-like artifact made
of a heavy crystalline stone. It is bifacially thinned and shaped with no cortex remaining. The
term "chopper" most often refers to a dismembering tool used in butchering game. Some so-
called choppers are alternatively interpreted as digging tools. This particular artifact has a certain
asymmetry involving opposite convex and straight sides that suggest that this may be tool may be
an unpolished ulu (a.k.a. semi-lunar knife). An ulu with its convex edge could have had a slicing
function or a chopping function with the ability to employ a rocking motion. Like the Kaydeross
Ave. 4 Site, the evidence of Kaydeross Ave. 5 is limited to one artifact from one STP possibly
representing an isolated find. However, confirmation an isolated find has not been attempted as
avoidance is planned and additional investigation has not been conducted.
PHASE 1 B ARCHAEOLOGICAL SURVEY SUMMARY AND RECOMMENDATIONS
A complete and comprehensive Phase 1 B archaeological survey has been conducted.
The Phase 1 B shovel testing program resulted in the excavation of 301 shovel test pits.
Most of the project area did not contain artifacts, a result conducive to avoiding impact to
archaeological sites. Six archaeological sites have been identified, all appear to be avoidable.
Two of these, the Kaydeross Ave. 1 Precontact Site and the Kaydeross Ave. Historic Site overlap,
with the precontact period site occurring inside of the historic site. The Kaydeross Avenue 2-5
Precontact Sites are dispersed across the ridge west of Kaydeross Avenue East, generally on
downslopes with southern or southwestern aspects, except for Site 2 which overlooks a small
creek and has a northeast aspect.
It is recommended that the archaeological sites should be avoided by construction. The
Kaydeross Ave. Precontact 2-5 Sites should be avoided by creating 25 foot (7.5 meter) buffers
around the artifact find spots, excluding any area owned by neighbors (since some of these occur
adjacent to property lines). The area to be avoided around the Kaydeross Ave. Precontact 1 Site
11
and the Kaydeross Ave. Historic Site is broader, taking into consideration the location of the
precontact period artifacts,the historic period midden,the house and otherwise a distance of 50
feet from the house or the distance to the road. The avoidance recommendation concerning the
archaeological components at the Kaydeross Ave. Precontact 1 Site and the Kaydeross Ave.
Historic Site includes ground-disturbing activities but should not include repair, maintenance or
minor or modifications to the exterior of the house.
If plans to avoid the archaeological sites change, potential disturbances of the
archaeological sites would require further consultation with SHPO. If avoidance is unfeasible, a
Phase 2 archaeological survey is warranted.
REFERENCES CITED
De Laubenfels, David J.
1977 Vegetation. In Geography of New York State, John H. Thompson, editor. Syracuse
University Press, New York.
New York Archaeological Council (NYAC)
1994 Standards for Cultural Resource Investigations and the Curation of Archaeological
Collections in New York State. http://nyarchaeology.org/assests/standards/
NYACStandards.pdf.
New York State Office of Parks, Recreation and Historic Preservation (SHPO)
2005 Phase I Archaeological Report Format Requirements. http://nysparks.com/shpo/
environmental-review/documents/PhaselReportStandards.pdf
United States Department of Agriculture (USDA)
1992 Soil Survey of Saratoga County, New York.
12
Appendix H
Deep Ripping and De-compaction (DEC, 2008)
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