Compare Regulations
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Nassau County(3 more)
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| Field | Local Nassau County Nassau County Department of Public Works / Individual town/village building departments |
|---|---|
| Permit | |
| Permit / Authorization | Nassau County DPW Stormwater Management Approval / Town-level Building Permit |
| Submit To | Nassau County Department of Public Works / Individual town/village building departments |
| Lead Time | County stormwater review 4–8 weeks; town permits concurrent |
| Application Method | County stormwater plans submitted to Nassau County DPW; building permits via individual town/village |
| Fee | County review fees vary; town permit fees per project scope |
| Water Quality | |
| Impervious Cover Limit | No countywide cap; post-construction management required per NYSDEC MS4 permit; county reviews drainage for projects impacting county infrastructure |
| On-Site Treatment Required | Yes |
| Detention Required | Yes — Manage the first 1 inch of rainfall on-site per NYS Stormwater Management Design Manual; leaching basins and drywells historically common on Long Island due to sandy soils |
| Turbidity / Discharge Standard | Must comply with NYSDEC SPDES CGP; Long Island Sound and South Shore Estuary protections apply |
| SWPPP | |
| SWPPP / Local Plan Required | Yes — SWPPP per NYSDEC; drainage/stormwater plan per Nassau County DPW for projects affecting county drainage infrastructure |
| PE Stamp Required | Yes |
| Inspections | |
| Inspection Requirements | Town/village inspections at permit milestones. County DPW inspects stormwater facilities connected to county drainage. 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 / Nassau County DPW Standards |
| Special Overlay Zones | Sole Source Aquifer / Groundwater Protection, South Shore Estuary Reserve |