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Underground Injection Control (UIC)

UIC Permit for Tyonek Gas Development Project, Cook Inlet, Alaska

Below is EPA's underground injection control (UIC) permit for the Tyonek Gas Development Project, Cook Inlet, Alaska. The permitee is authorized to inject non-hazardous industrial waste using one existing Class I injection well located on the Tyonek Platform at the North Cook Inlet Unit (NClU) in Alaska.

Permit number: AK1I012-B
Effective dates: June 3, 2019, to June 2, 2029
Current operator: Hilcorp Alaska LLC

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