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).