Compare Regulations
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Westchester County(3 more)
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| Field | Local Westchester County Individual city/town/village building departments / Westchester County Soil & Water Conservation District |
|---|---|
| Permit | |
| Permit / Authorization | Municipal Building Permit with Stormwater Management / County Soil & Water Review |
| Submit To | Individual city/town/village building departments / Westchester County Soil & Water Conservation District |
| Lead Time | Municipal permit review 2–6 weeks; county review concurrent for projects in county drainage or watershed areas |
| Application Method | Building permits via individual municipality; county-level reviews for projects impacting county drainage infrastructure or NYC watershed |
| Fee | Municipal permit fees per project scope; county review fees may apply |
| Water Quality | |
| Impervious Cover Limit | No countywide cap; post-construction management per NYSDEC MS4 permit; NYC East of Hudson watershed areas have stricter thresholds |
| On-Site Treatment Required | Yes |
| Detention Required | Yes — Manage the first 1 inch of rainfall on-site per NYS Stormwater Management Design Manual; watershed-specific requirements may impose stricter controls |
| Turbidity / Discharge Standard | Must comply with NYSDEC SPDES CGP; Long Island Sound TMDL for nitrogen applies to northern watershed |
| SWPPP | |
| SWPPP / Local Plan Required | Yes — SWPPP per NYSDEC; local stormwater management plans per municipal ordinances |
| PE Stamp Required | Yes |
| Inspections | |
| Inspection Requirements | Municipal inspections at permit milestones. NYC DEP conducts watershed inspections in East of Hudson areas. Post-construction BMPs require maintenance agreements. |
| Inspector Qualification | NYSDEC-approved QI/TC per SPDES CGP; no additional county certification |
| Design & Zones | |
| Local Design Manual | NYS Stormwater Management Design Manual / NYC Watershed Regulations (for applicable areas) |
| Special Overlay Zones | NYC East of Hudson Watershed, Long Island Sound Watershed, Hudson River Watershed |