Unsupported Browser Detected

Internet Explorer lacks support for the features of this website. For the best experience, please use a modern browser such as Chrome, Firefox, or Edge.

Incidental Take Authorization: Hilcorp Alaska LLC Oil and Gas Activities in Cook Inlet, Alaska (2022, 2023)


Marine Mammal Protection Act
Action Status
Affected Species
Humpback Whale
Minke Whale
Gray Whale
Fin Whale
Killer Whale
Beluga Whale
Pacific White-Sided Dolphin
Dall’s Porpoise
Harbor Porpoise
Harbor Seal
California Sea Lion
Steller Sea Lion


NOAA Fisheries has issued two incidental harassment authorizations (IHAs) to Hilcorp Alaska LLC to incidentally harass, by Level B harassment only, marine mammals during tugs towing jack-up rig activity in Cook Inlet, Alaska.

Project location

Last updated by Office of Protected Resources on 10/13/2022