Oregon NPDES Permits

In Oregon, EPA issues NPDES permits on tribal lands and in federal waters off the coast. The Oregon Department of Environmental Quality (ODEQ) has been delegated authority to issue other NPDES permits in Oregon.

For EPA-issued permits, see table below.

For state-issued permits, visit ODEQ Water Quality Permits.

Related pages:

Public Notices

There are no current public comment opportunities.

Click on the facility/permit name to view permit documents.

NPDES Permits Issued by EPA in Oregon
Location Facility or Permit Name Permit Number Permit Status Effective Date Expiration Date
Warm Springs Reservation Warm Springs Kah-Nee-Ta Resort OR0034100 Final 2007-12-01 2012-11-30
Warm Springs Reservation Warm Springs Wastewater Treatment Plant OR0032638 Final 2021-07-01 2026-06-30
Warm Springs Reservation Warm Springs National Fish Hatchery OR0054917 Final 2019-03-01 2024-02-29
Offshore Coastal Waters General Permit for Offshore Seafood Processors in Federal Waters Off the Washington and Oregon Coast WAG520000 Final 2019-05-01 2024-04-30
Lower Columbia River Discharge Permits for Federal Hydroelectric Projects in the Lower Columbia River (Bonneville Project, The Dalles Lock and Dam, John Day Project, McNary Lock and Dam) WA0026778;
WA0026701;
WA0026832;
WA0026824		 Final 2023-07-01 2028-06-30
Contact Us About NPDES Permits Around the Nation to ask a question, provide feedback, or report a problem.
Last updated on January 24, 2024