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NPDES Permits Around the Nation

EPA issues all National Pollutant Discharge Elimination SystemHelpNational Pollutant Discharge Elimination SystemA national program under Section 402 of the Clean Water Act for regulation of discharges of pollutants from point sources to waters of the United States. Discharges are illegal unless authorized by an NPDES permit. (NPDES) water quality permits in Massachusetts, New Hampshire, New Mexico, District of Columbia, U.S. territories, and on federal and tribal lands. Other states have been delegated by EPA to issue their own permits. Learn more about EPA's NPDES program.

Find a NPDES Permit

Choose a state or territory from the map below to find NPDES permits issued in your area, including:
  • Wastewater permits.
  • Stormwater permits.
  • General permits for industries such as aquaculture, mining, and pesticide applications.

Map of the United StatesAlabamaAlaskaAmerican SamoaArizonaArkansasCaliforniaColoradoConnecticutDelawareWashington, DCFloridaGeorgiaGuamHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachussetsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaNorthern Mariana IslandsOhioOklahomaOregonPennsylvaniaPuerto RicoRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirgin IslandsVirginiaWashingtonWest VirginiaWisconsinWyoming

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