SW

Stormwater Directory

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Compare state-level permit requirements side-by-side (up to 4 states)

NY(3 more)

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Field
NY
New York
NPDES ProgramState-Delegated
Permitting AgencyNew York State Department of Environmental Conservation (NYSDEC)
Permit NameSPDES General Permit for Stormwater Discharges from Construction Activity (GP-0-20-001)
Construction Threshold≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan)
NOI Lead TimeNOI must be submitted at least 3 business days before construction begins
Application MethodOnline via NYSDEC's eDEC system or paper submission
Permit Fee$2,250 flat fee for most projects (one of the higher fees nationally)
SWPPP RequiredYes
PE Certification RequiredYes
SWPPP Template AvailableYes
Inspection FrequencyEvery 7 days and within 24 hours of a storm event producing ≥ 0.5 inches of rainfall (or ≥ 0.25 inches if site is near a 303(d) listed water body)
Inspector QualificationTrained Contractor (TC) for routine inspections; Qualified Inspector (QI) for sites ≥ 5 acres or near sensitive water bodies. QI certification required through NYSDEC-approved training.
Post-Construction RequiredYes
Turbidity StandardNot specified as a numeric standard; discharges must not cause or contribute to violations of water quality standards. Turbidity benchmarks apply for sites near 303(d)-listed waters.