Data / Federal rules / 2025-13973

Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Hilcorp Alaska, LLC Oil and Gas Activities in Cook Inlet, Alaska

The National Oceanic and Atmospheric Administration published this proposed rule in the Federal Register on July 24, 2025. Comments closed on August 25, 2025.

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What the agency says

NMFS has received a request from Hilcorp Alaska, LLC (Hilcorp) for regulations allowing for the take of marine mammals incidental to activities conducted in support of oil and gas exploration, development, production, and decommissioning in Cook Inlet, Alaska, over the course of 5 years (2025-2030). As required by the Marine Mammal Protection Act (MMPA), NMFS is proposing regulations to govern the requested take, and requests comments on the proposed regulations. NMFS will consider public comments prior to making any final decision on the requested MMPA regulations. Agency responses to received comments will be summarized in the final rule, if issued.

Key facts

Document number: 2025-13973
Type: Proposed rule
Action: Proposed rule; request for comments
Agency: Commerce Department; National Oceanic and Atmospheric Administration
Published: July 24, 2025
Comments due: August 25, 2025
Dates: Comments and information must be received no later than August 25, 2025.
Docket: Docket No. 250721-0127
Regulation ID (RIN): 0648-BN57
Code of Federal Regulations: 50 CFR 217
Topics: Administrative practice and procedure; Alaska; Endangered and threatened species; Fish; Marine mammals; Oil and gas exploration; Transportation; Wildlife
Pages: 58

The document on federalregister.gov PDF

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Everything from the National Oceanic and Atmospheric Administration · Rules on administrative practice and procedure · Rules on alaska · Rules on endangered and threatened species · Published in July 2025

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.