NPDES Permits around the Nation

EPA's NPDES permit program

The EPA's National Pollutant Discharge Elimination System (NPDES) permit program helps address water pollution by regulating point sources – such as wastewater treatment plants – that discharge to waters of the U.S.
Learn more about NPDES

The 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).

Find a NPDES permit

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

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

Map of the United States

Public notices

Search for current public notices related to EPA NPDES permit actions.

NPDES Permits around the Nation

EPA's NPDES permit program

Find a NPDES permit

Permit compliance

Public notices