Compare Regulations
Compare state baseline against local requirements in a single view
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Compare state baseline against local requirements in a single view
Rows with an amber indicator differ across selections.
| Field | State New York NYSDEC | Local City of New York NYC Department of Buildings (DOB) / NYC Department of Environmental Protection (DEP) |
|---|---|---|
| Permit | ||
| Permit / Authorization | SPDES General Permit for Stormwater Discharges from Construction Activity (GP-0-25-001) | DOB Construction Permit with DEP Sewer Connection / Site Connection Proposal (SCP) |
| Submit To | NYSDEC | NYC Department of Buildings (DOB) / NYC Department of Environmental Protection (DEP) |
| Lead Time | Electronic NOI (eNOI) required; NYSDEC issues a Letter of Authorization (LOA) specifying the authorized construction start date | DOB plan exam 4–12 weeks depending on complexity; DEP SCP review 4–8 weeks; concurrent review possible |
| Application Method | Online via NYSDEC's eDEC system — electronic eNOI submission now mandatory (paper no longer accepted) | DOB permits via NYC Buildings NOW portal (a]now.nyc.gov); DEP SCP submitted via NYC DEP portal |
| Fee | $2,250 flat fee for most projects (one of the higher fees nationally) | DOB permit fees based on project cost and type; DEP SCP review fee varies; combined fees can be substantial for large projects |
| Water Quality | ||
| Impervious Cover Limit | No statewide limit | No citywide cap; however, NYC stormwater management requirements trigger at ≥ 20,000 sq ft of disturbance within city boundaries (lower than state 1-acre threshold) |
| On-Site Treatment Required | Not specified at state level | Yes |
| Detention Required | Not specified at state level | Yes — Detain/retain the first 1 inch of rainfall on-site for new development; release rate limited to predevelopment conditions; green infrastructure (bioswales, green roofs, permeable pavement) strongly encouraged by DEP |
| Turbidity / Discharge 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. | Must comply with NYSDEC SPDES CGP; combined sewer areas have additional considerations per DEP's consent order with EPA |
| SWPPP | ||
| SWPPP / Local Plan Required | Yes | Yes — Site Connection Proposal (SCP) for DEP review; SWPPP per NYSDEC SPDES CGP; NYC also requires Construction Site Stormwater Management per DEP rules |
| PE Stamp Required | Yes | Yes |
| Inspections | ||
| Inspection Requirements | 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) | DOB inspects construction at key milestones. DEP may inspect stormwater facilities. Sites in combined sewer areas receive additional DEP scrutiny. NYC also has a separate Construction Site Compliance program. |
| 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. | NYSDEC-approved QI for SPDES compliance; NYC DOB licensed professionals for construction supervision |
| Design & Zones | ||
| Local Design Manual | N/A — state level | NYC DEP Stormwater Management Rules / Site Connection Proposal Requirements |
| Special Overlay Zones | N/A — see local jurisdictions | Combined Sewer Overflow (CSO) Area, Waterfront / Flood Zone, NYC East of Hudson Watershed (DEP Watershed), Special Natural Area District (SNAD) |