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District of Columbia NPDES Permits

EPA issues all NPDES permits within the District of Columbia (Washington, D.C.).

Click on the facility/permit name to view the permit and supporting documents.

NPDES Permits Issued by EPA in the District of Columbia
Facility or Permit Name Permit Number Permit Type Permit Status Issuance Date Effective Date Expiration Date
D.C. Municipal Separate Storm Sewer System (MS4) DC0000221 Stormwater Final 5/23/2018 6/22/2018 6/21/2023
D.C. Water and Sewer Authority Wastewater Treatment Plant at Blue Plains DC0021199 Publicly Owned Treatment Works Final 7/26/2018 8/26/2018 8/25/2023
Potomac Electric Power Company (PEPCO) Benning Generating Station DC0000094 Industrial Final 6/19/2009* 07/19/2009 6/18/2014*
Washington Aqueduct Water Treatment Plant DC0000019 Industrial Final 11/20/2009 11/20/2008 11/19/2013*
JFK Center for the Performing Arts DC0000248 Industrial Final 6/6/2013 6/6/2013 6/5/2018*
National World War II Memorial DC0000345 Industrial Final 7/3/2018 7/3/2018 7/2/2023
Lincoln Memorial Reflecting Pool DC0000370 Industrial Final 7/3/2018 7/3/2018 7/2/2023
Washington Navy Yard DC0000141 Industrial Final 12/23/2009 01/22/2010 1/22/2015*
Bardon, Inc. (d/b/a Aggregate Industries, aka Super Concrete) DC0000175 Industrial Final 8/17/2020 10/1/2020 9/30/2025
Washington Metropolitan Area Transit Authority (WMATA) Mississippi Avenue Pumping Station DC0000337 Industrial Final 12/11/2018 12/11/2018 12/10/2023
General Services Administration (GSA) West Heating Plant DC0000035 Industrial Final 9/11/2018 9/11/2018 9/10/2023

*EPA has administratively extended the permit per 40 CFR §122.6(a)(1).