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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 Individual Final 7/26/2018 8/26/2018 8/25/2023
Potomac Electric Power Company (PEPCO) Benning Generating Station DC0000094 Individual Final 6/19/2009* 07/19/2009 6/18/2014*
Washington Aqueduct Water Treatment Plant DC0000019 Individual Final 11/20/2009 11/20/2008 11/19/2013*
JFK Center for the Performing Arts DC0000248 Individual Final 6/6/2013 6/6/2013 6/5/2018*
National World War II Memorial DC0000345 Individual Final 7/3/2018 7/3/2018 7/2/2023
Lincoln Memorial Reflecting Pool DC0000370 Individual Final 7/3/2018 7/3/2018 7/2/2023
Washington Navy Yard DC0000141 Individual Final 12/23/2009 01/22/2010 1/22/2015*
Super Concrete Ready-Mix Corp. (Aggregate Industries) DC0000175 Individual Final 1/6/2014 1/6/2014 1/5/2019
Washington Metropolitan Area Transit Authority (WMATA) Mississippi Avenue Pumping Station DC0000337 Individual Final 4/20/2012 04/20/2012 4/20/2017*
General Services Administration (GSA) West Heating Plant DC0000035 Individual Final 9/11/2018 9/11/2018 9/10/2023

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