Compare Regulations
Compare state-level permit requirements side-by-side (up to 4 states)
NY(3 more)
Rows with an amber indicator differ across selected states.
| Field | NY New York |
|---|---|
| NPDES Program | State-Delegated |
| Permitting Agency | New York State Department of Environmental Conservation (NYSDEC) |
| Permit Name | SPDES General Permit for Stormwater Discharges from Construction Activity (GP-0-25-001) |
| Construction Threshold | ≥ 1 acre of land disturbance (or < 1 acre if part of a larger common plan). NYC East of Hudson watershed: ≥ 5,000 sq ft. City of New York municipal boundaries: ≥ 20,000 sq ft. |
| NOI Lead Time | Electronic NOI (eNOI) required; NYSDEC issues a Letter of Authorization (LOA) specifying the authorized construction start date |
| Application Method | Online via NYSDEC's eDEC system — electronic eNOI submission now mandatory (paper no longer accepted) |
| Permit Fee | $2,250 flat fee for most projects (one of the higher fees nationally) |
| SWPPP Required | Yes |
| PE Certification Required | Yes |
| SWPPP Template Available | Yes |
| Inspection Frequency | Every 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) |
| Rain Inspection Trigger | Within 24 hours of a storm event producing ≥ 0.5 inches of rainfall (≥ 0.25 inches if site drains to a 303(d) impaired water body) |
| Inspector Qualification | Trained Contractor (TC) for routine inspections; Qualified Inspector (QI) for sites ≥ 5 acres or near sensitive water bodies. QI certification required through NYSDEC-approved training. |
| Inspector Certifications | NYS DEC-approved erosion and sediment control training REQUIRED; CPESC, CESSWI explicitly listed as qualifying credentials in the SPDES CGP |
| Post-Construction Required | Yes |
| Turbidity Standard | Not 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. |