Environmental Rules in Yonkers, NY (2026)
5 verified environmental rules for Yonkers, New York, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Yonkers is an MS4 community under NYS DEC SPDES General Permit GP-0-15-003. Illicit discharges to storm drains are prohibited; new development must meet NYS Stormwater Management Design Manual standards.
environmental/stormwater
Heavy RestrictionsNYSDEC Stormwater SPDES General Permits (MSGP, MS4 GP, CGP)
Regulatory Requirements The USEPA and New York State Department of Environmental Conservation (NYSDEC) are increasing their attention in several ways. There are three State Pollutant Discharge Elimination System (SPDES) general permits required for activities associated stormwater discharges. The Multi-Sector General Permit for Stormwater Discharges Associated with Industrial Activities (MSGP) ...
Erosion Control
Yonkers requires erosion and sediment control plans for soil disturbance of 1 acre or more under the NYS SPDES General Permit GP-0-20-001. Smaller sites follow Yonkers Code stormwater and grading provisions.
environmental/erosion-control
Some RestrictionsCoastal Development
Hudson River waterfront development in Yonkers is governed by the city's Local Waterfront Revitalization Program (LWRP) and NYS DEC tidal wetlands/Article 25 permits. Major projects also require Army Corps Section 404/10 permits.
environmental/coastal-development
Heavy RestrictionsNYS Department of State - Local Waterfront Revitalization Program (LWRP)
Local Waterfront Revitalization The LWRP is the State’s primary program for working in partnership with waterfront communities across New York State. Overview The Local Waterfront Revitalization Program (LWRP) serves as the Office of Planning and Development’s primary program for working in partnership with waterfront communities across the State to address local and regional (coastal or inland...
Flood Zones
Yonkers has FEMA AE zones along the Hudson River waterfront and Saw Mill River corridor. Flood damage prevention rules under Yonkers Code Chapter 64 require elevation certificates and BFE+2 ft freeboard for SFHA construction.
environmental/flood-zones
Heavy RestrictionsFEMA Flood Map Service Center - National Flood Insurance Program
About Flood Map Service Center The FEMA Flood Map Service Center (MSC) is the official public source for flood hazard information produced in support of the National Flood Insurance Program (NFIP). Use the MSC to find your official flood map, access a range of other flood hazard products, and take advantage of tools for better understanding flood risk. FEMA flood maps are continually updated th...
Grading & Drainage
Yonkers requires grading permits for significant earthwork. Drainage alterations that redirect stormwater onto neighboring parcels violate NY common law and Yonkers Code.
environmental/grading-drainage
Some RestrictionsLooking for Westchester County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Yonkers city rules.
Environmental Rules in Westchester County →