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NPDES Permits Around the Nation

EPA's NPDES Permit Program

The National Pollutant Discharge Elimination System (NPDES) permit program helps address water pollution by regulating point sources that discharge pollutants to waters of the United States. Learn more about NPDES.

Find a NPDES Permit

EPA issues all NPDES permits in Massachusetts, New Hampshire, New Mexico, the District of Columbia, and U.S. territories (except Virgin Islands), as well as certain federal facilities and permits on tribal lands. Other states have been authorized by EPA to issue their own permits (see a list of current state authorizations).

Use the map below to search for NPDES permits issued by EPA for each state or territory.

Choose a state or territory from the map below or the list to the right.

Map of the United States

For oil and gas permits in the Gulf of Mexico, visit: