An official website of the United States government.

Underground Injection Control (UIC)

UIC Permit for Redoubt and West McArthur River Units, Cook Inlet, Alaska

The document below is EPA's underground injection control (UIC) permit for the Redoubt Unit and West McArthur Unit, Cook Inlet, Alaska. The permit authorizes injection of non-hazardous industrial waste into the Tyonek Formation using up to two Class I injection wells.

Permit number: AK1I007-B
Effective dates: October 12, 2016 to October 12, 2026
Current operator: Cook Inlet Energy, LLC

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.