Skip to the page

Data / Federal rules / Marine mammals

Federal rules on marine mammals: 53 since January 2024

30 final rules and 23 proposed rules since January 4, 2024, 3 of them marked significant. Most come from the National Oceanic and Atmospheric Administration (46), Fish and Wildlife Service (7).

SpecStream is the live web data engine for teams and agents. It reads every rule and proposed rule in the Federal Register each morning, and this page is that reading. Name your industry once and new rules, comment deadlines and effective dates arrive in your sheet, CRM, Slack or agent as they are published.

Every document, newest first

DocumentAgencyTypePublished
Marine Mammals; Incidental Take of Polar Bears and Pacific Walruses in the Beaufort Sea and North Slope of Alaska
2026-21371
Fish and Wildlife ServiceFinal ruleOct 19
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Duckabush Estuary Restoration Project in Washington
2026-17391
National Oceanic and Atmospheric AdministrationFinal ruleAug 26
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Washington State Parks and Recreation Commission's Marine Facilities Replacement Program in North Puget Sound, Washington
2026-16329
National Oceanic and Atmospheric AdministrationProposed ruleAug 11
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean
2026-15206
National Oceanic and Atmospheric AdministrationFinal ruleJul 28
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Texas Parks and Wildlife Department Fisheries Research
2026-14578
National Oceanic and Atmospheric AdministrationFinal ruleJul 20
Marine Mammals; Incidental Take of Polar Bears in the Southern Beaufort Sea; Seismic Exploration Activities by SAExploration, Inc.
2026-09885
Fish and Wildlife ServiceProposed ruleMay 18
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Interstate Bridge Replacement Project on Interstate 5 between Portland, OR, and Vancouver, WA
2026-09884
National Oceanic and Atmospheric AdministrationFinal ruleMay 18
Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Geophysical Surveys in the Gulf of America
2026-07536
National Oceanic and Atmospheric AdministrationFinal ruleApr 17
Marine Mammals; Incidental Take of Northern Sea Otters During Specified Activities; Seward, Sitka, and Kodiak, Alaska
2026-05976
Fish and Wildlife ServiceFinal ruleMar 27
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Texas Parks and Wildlife Department Fisheries Research
2026-05263
National Oceanic and Atmospheric AdministrationProposed ruleMar 18
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Operations of Surveillance Towed Array Sensor System Low Frequency Active Sonar in the Western and Central North Pacific Ocean and Eastern Indian Ocean
2026-04668
National Oceanic and Atmospheric AdministrationProposed ruleMar 10
Marine Mammals; Incidental Take of Polar Bears and Pacific Walruses in the Beaufort Sea and North Slope of Alaska
2026-04558
Fish and Wildlife ServiceProposed ruleMar 9
Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Geophysical Surveys in the Gulf of America
2026-03691
National Oceanic and Atmospheric AdministrationProposed ruleFeb 24
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Hilcorp Alaska, LLC Oil and Gas Activities in Cook Inlet, Alaska
2026-03375
National Oceanic and Atmospheric AdministrationFinal ruleFeb 20
Taking of Marine Mammals Incidental to Commercial Fishing Operations; Harbor Porpoise Take Reduction Plan; Change to Gillnet Gear Requirements
2025-24203
National Oceanic and Atmospheric AdministrationFinal ruleJan 2
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet
2025-22513
National Oceanic and Atmospheric AdministrationFinal ruleDec 11, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Military Readiness Activities in the Atlantic Fleet Training and Testing Study Area
2025-19806
National Oceanic and Atmospheric AdministrationFinal ruleNov 7, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Interstate Bridge Replacement Project on Interstate 5 Between Portland, Oregon and Vancouver, WA
2025-15775
National Oceanic and Atmospheric AdministrationProposed ruleAug 19, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Duckabush Estuary Restoration Project in Washington
2025-15629
National Oceanic and Atmospheric AdministrationProposed ruleAug 15, 2025
Gulf of America Name Change
2025-15051
National Oceanic and Atmospheric AdministrationFinal ruleAug 7, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Alaska LNG Project in Cook Inlet
2025-14342
National Oceanic and Atmospheric AdministrationProposed ruleJul 29, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Hilcorp Alaska, LLC Oil and Gas Activities in Cook Inlet, Alaska
2025-13973
National Oceanic and Atmospheric AdministrationProposed ruleJul 24, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Military Readiness Activities in the Hawaii-California Training and Testing Study Area
2025-13258
National Oceanic and Atmospheric AdministrationProposed ruleJul 16, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Port of Alaska Modernization Program Phase 2B: Cargo Terminals Replacement Project in Anchorage, Alaska
2025-13226
National Oceanic and Atmospheric AdministrationFinal ruleJul 15, 2025
Marine Mammals; Incidental Take of Polar Bears During Specified Activities; North Slope, Alaska
2025-11778 · significant
Fish and Wildlife ServiceFinal ruleJun 26, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Rocky Intertidal Monitoring Surveys Along the Oregon and California Coasts
2025-11748
National Oceanic and Atmospheric AdministrationFinal ruleJun 26, 2025
Marine Mammals; Incidental Take of Northern Sea Otters During Specified Activities; Seward, Sitka, and Kodiak, Alaska
2025-11499
Fish and Wildlife ServiceProposed ruleJun 23, 2025
Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Pacific Islands Fisheries Science Center Fisheries Research
2025-08349
National Oceanic and Atmospheric AdministrationFinal ruleMay 16, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Lower Columbia River Dredged Material Management Plan, Oregon and Washington
2025-08231
National Oceanic and Atmospheric AdministrationFinal ruleMay 12, 2025
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Military Readiness Activities in the Atlantic Fleet Training and Testing Study Area
2025-07780
National Oceanic and Atmospheric AdministrationProposed ruleMay 9, 2025
Take of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to Rocky Intertidal Monitoring Surveys Along the Oregon and California Coasts
2025-04806
National Oceanic and Atmospheric AdministrationProposed ruleMar 21, 2025
Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to the U.S. Navy Training and Testing Activities in the Hawaii-Southern California Training and Testing Study Area
2024-31402
National Oceanic and Atmospheric AdministrationProposed ruleJan 16, 2025
Seafood Import Procedures and Certification of Admissibility
2024-29238
National Oceanic and Atmospheric AdministrationProposed ruleDec 17, 2024
Modification of the Duration of Certain Permits and Letters of Confirmation Under the Marine Mammal Protection Act
2024-28931
National Oceanic and Atmospheric AdministrationFinal ruleDec 12, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Lower Columbia River Dredged Material Management Plan, Oregon and Washington
2024-26069
National Oceanic and Atmospheric AdministrationProposed ruleNov 13, 2024
Marine Mammals; Incidental Take of Polar Bears During Specified Activities; North Slope, Alaska
2024-25762 · significant
Fish and Wildlife ServiceProposed ruleNov 7, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Port of Alaska Modernization Program Phase 2B: Cargo Terminals Replacement Project in Anchorage, Alaska
2024-24580
National Oceanic and Atmospheric AdministrationProposed ruleOct 28, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Maryland Offshore Wind Project, Offshore of Maryland
2024-22601
National Oceanic and Atmospheric AdministrationFinal ruleOct 23, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Repair and Replacement of the Q8 Bulkhead at Naval Station Norfolk
2024-23392
National Oceanic and Atmospheric AdministrationFinal ruleOct 9, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Atlantic Shores South Project Offshore of New Jersey
2024-19587
National Oceanic and Atmospheric AdministrationFinal ruleSep 24, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Navy Repair and Replacement of the Q8 Bulkhead at Naval Station Norfolk
2024-14162
National Oceanic and Atmospheric AdministrationProposed ruleJul 3, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the SouthCoast Wind Project Offshore Massachusetts
2024-13770
National Oceanic and Atmospheric AdministrationProposed ruleJun 27, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the New England Wind Project, Offshore Massachusetts
2024-12085
National Oceanic and Atmospheric AdministrationFinal ruleJun 21, 2024
Regulations Governing the Taking of Marine Mammals
2024-12669
National Oceanic and Atmospheric AdministrationFinal ruleJun 18, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Sunrise Wind Offshore Wind Farm Project Offshore New York
2024-09902
National Oceanic and Atmospheric AdministrationFinal ruleMay 22, 2024
Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to Geophysical Surveys in the Gulf of Mexico
2024-08257 · significant
National Oceanic and Atmospheric AdministrationFinal ruleApr 24, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Space Force Launches and Supporting Activities at Vandenberg Space Force Base, Vandenberg, California
2024-07559
National Oceanic and Atmospheric AdministrationFinal ruleApr 10, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Empire Wind Project, Offshore New York
2024-01363
National Oceanic and Atmospheric AdministrationFinal ruleFeb 14, 2024
Taking of Marine Mammals Incidental to Commercial Fishing Operations; Atlantic Large Whale Take Reduction Plan Regulations
2024-02438
National Oceanic and Atmospheric AdministrationFinal ruleFeb 7, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Naval Magazine Indian Island Ammunition Wharf Maintenance and Pile Replacement Project, Puget Sound, Washington
2024-01558
National Oceanic and Atmospheric AdministrationFinal ruleJan 29, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to U.S. Space Force Launches and Supporting Activities at Vandenberg Space Force Base, Vandenberg, California
2024-01366
National Oceanic and Atmospheric AdministrationProposed ruleJan 29, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Coastal Virginia Offshore Wind Commercial Project Offshore of Virginia
2024-00297
National Oceanic and Atmospheric AdministrationFinal ruleJan 23, 2024
Takes of Marine Mammals Incidental to Specified Activities; Taking Marine Mammals Incidental to the Maryland Offshore Wind Project Offshore of Maryland
2023-27189
National Oceanic and Atmospheric AdministrationProposed ruleJan 4, 2024

Other topics

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.