Stormwater

NYC Adopts Sweeping New Stormwater Rule

In February 2022, the New York City Department of Environmental Protection (DEP) adopted the Unified Stormwater Rule (USWR) to update the stormwater management requirements for all new development and redevelopment sites that discharge to City sewers. The USWR amends Title 15, Chapter 19.1 and Chapter 31 of the Rules of the City of New York, which relate…

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EPA and Army Corps of Engineers Publish Final “Waters of the United States” Rule

On April 21, 2020, the Environmental Protection Agency and the U.S. Army Corps of Engineers (together, the “Agencies”) published a final rule in the Federal Register redefining the term “waters of the United States” (“WOTUS”) under the Clean Water Act (“CWA”).  The Agencies previously issued pre-publication notice of the final rule on January 23, 2020. …

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New York City Proposes First Stormwater Management Program Regulating Construction Runoff

For the first time, the City of New York has proposed a Stormwater Management Program (SWMP) to describe how the City will satisfy the requirements of its SPDES Municipal Separate Storm Sewer System (MS4) Permit.  This means that, as soon as this fall, certain large construction projects in the City will need City Department of…

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New NYSDEC Multi-Sector General Permit for Stormwater Discharges from Industrial Activity Takes Effect

The New York State Department of Environmental Conservation (NYSDEC) has finalized the State Pollutant Discharge Elimination System (SPDES) Multi-Sector General Permit for Stormwater Discharges from Industrial Activity (MSGP), which will take effect on March 1, 2018. Coverage under the MSGP may be obtained by applicants whose facilities conduct any of the industrial activities listed in…

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