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Alaska NPDES Permits

In Alaska, EPA issues NPDES permits for:
  • Federally-owned facilities located in Denali National Park.
  • Facilities operating outside state waters (three miles offshore).
  • Facilities that have been issued Clean Water Act Section 301(h) waivers.
  • All permits on tribal lands.

EPA has delegated authority to issue other NPDES permits to the Alaska Department of Environmental Conservation.

For state-issued permits, visit Alaska Pollutant Discharge Elimination System Program. Exit

Related pages:

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

NPDES Permits Issued by EPA in Alaska
Location Facility or Permit Name Permit Number Permit Status Effective Date Expiration Date
Anchorage Anchorage Wastewater Treatment Plant AK0022551 Final 2000-08-02 2005-08-02
Offshore Arctic (Beaufort and Chukchi Seas) General Permit for Oil and Gas Geotechnical Surveys and Related Activities in Federal Waters of the Beaufort and Chukchi Seas AKG284300 Final 2015-03-02 2020-03-01
Offshore Arctic (Beaufort Sea) General Pemit for Oil and Gas Exploration Facilities on the Outer Continental Shelf and Contiguous State Waters in the Beaufort Sea AKG282100 Final 2012-11-28 2017-11-27
Offshore Arctic (Chukchi Sea) General Permit for Oil and Gas Exploration Facilities on the Outer Continental Shelf in the Chukchi Sea AKG288100 Final 2012-11-28 2017-11-27
Offshore Cook Inlet General Permit for Oil and Gas Exploration Facilities in Federal Waters of Cook Inlet AKG285100 Final 2016-09-01 2021-08-31
Denali National Park Front Country Wastewater Treatment Plant AKG0053775 Final 2019-09-01 2024-08-31
Denali National Park Yvonne Desjarlais (Eldorado Creek)(Current Permit) AKG0053791 Final 2016-06-13 2021-06-10
Denali National Park Yvonne Desjarlais (Eldorado Creek)(Proposed Permit Reissuance) AKG0053791 Draft N/A N/A
Haines Haines Wastewater Treatment Plant AK0021385 Final 2001-12-24 2006-12-26
Ketchikan Ketchikan Wastewater Treatment Plant AK0021440 Final 2001-01-29 2006-01-29
Federal Waters Offshore General Permit for Offshore Seafood Processors in Alaska AKG524000 Final 2019-07-17 2023-07-17
Petersburg Petersburg Wastewater Treatment Facility AK0021458 Final 2001-12-24 2006-12-26
Sitka Sitka Wastewater Treatment Facility AK0021474 Final 2001-12-31 2007-01-02
Skagway Skagway Wastewater Treatment Plant AK0020010 Final 2002-10-01 2007-09-07
Wrangell Wrangell Wastewater Treatment Plant AK0021466 Final 2002-01-07 2007-01-08
Federal Waters Offshore U.S. Navy Arctic Ice Camp AK0053783 Final 2016-01-01 2020-12-31
Federal Waters Offshore Hilcorp Alaska Liberty Drilling and Production Island AK0053085 Final 2018-12-31 2023-12-30
Metlakatla Metlakatla Water Treatment Plant AK0046876 Final 2018-12-01 2023-11-30
Metlakatla Metlakatla Sewer Treatment Plant AK0053813​ Final 2020-10-01 2025-09-30
Metlakatla Tamgas Creek Hatchery AK0028525 Final 2018-12-01 2023-11-30