Notice2025-15929

Taking and Importing Marine Mammals; Taking Marine Mammals Incidental to the Port of Alaska Modernization Program Phase 2B: Cargo Terminals Replacement Project in Anchorage, Alaska

Primary source

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Published
August 20, 2025
Effective
March 1, 2026

Issuing agencies

Commerce DepartmentNational Oceanic and Atmospheric Administration

Abstract

In accordance with the Marine Mammal Protection Act (MMPA), as amended, and implementing regulations, notification is hereby given that a letter of authorization (LOA) has been issued to the Don Young Port of Alaska (POA), for the unintentional taking of marine mammals incidental to the Cargo Terminals Replacement project at the existing port facility in Anchorage, Alaska over the course of 5 years (2026-2031).

Full Text

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<title>Federal Register, Volume 90 Issue 159 (Wednesday, August 20, 2025)</title>
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[Federal Register Volume 90, Number 159 (Wednesday, August 20, 2025)]
[Notices]
[Pages 40566-40567]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-15929]


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DEPARTMENT OF COMMERCE

National Oceanic and Atmospheric Administration

[RTID 0648-XF051]


Taking and Importing Marine Mammals; Taking Marine Mammals 
Incidental to the Port of Alaska Modernization Program Phase 2B: Cargo 
Terminals Replacement Project in Anchorage, Alaska

AGENCY: National Marine Fisheries Service (NMFS), National Oceanic and 
Atmospheric Administration (NOAA), Commerce.

ACTION: Notice of issuance of letter of authorization.

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SUMMARY: In accordance with the Marine Mammal Protection Act

[[Page 40567]]

(MMPA), as amended, and implementing regulations, notification is 
hereby given that a letter of authorization (LOA) has been issued to 
the Don Young Port of Alaska (POA), for the unintentional taking of 
marine mammals incidental to the Cargo Terminals Replacement project at 
the existing port facility in Anchorage, Alaska over the course of 5 
years (2026-2031).

DATES: This LOA is effective from March 1, 2026, through February 28, 
2031.

ADDRESSES: The LOA and supporting documentation are available online 
at: <a href="https://www.fisheries.noaa.gov/action/incidental-take-authorization-port-alaskas-construction-activities-port-alaska-modernization">https://www.fisheries.noaa.gov/action/incidental-take-authorization-port-alaskas-construction-activities-port-alaska-modernization</a>. In case of problems accessing these documents, please 
call the contact listed below.

FOR FURTHER INFORMATION CONTACT: Cara Hotchkin, Office of Protected 
Resources, NMFS, (301) 427-8401.

SUPPLEMENTARY INFORMATION:

Background

    The MMPA prohibits the ``take'' of marine mammals, with certain 
exceptions. Sections 101(a)(5)(A) and (D) of the MMPA (16 U.S.C. 1361 
et seq.) direct the Secretary of Commerce (as delegated to NMFS) to 
allow, upon request, the incidental, but not intentional, taking of 
small numbers of marine mammals by U.S. citizens who engage in a 
specified activity (other than commercial fishing) within a specified 
geographical region if certain findings are made and either regulations 
are issued or, if the taking is limited to harassment, a notice of a 
proposed incidental take authorization may be provided to the public 
for review.
    Authorization for incidental takings shall be granted if NMFS finds 
that the taking will have a negligible impact on the species or 
stock(s) and will not have an unmitigable adverse impact on the 
availability of the species or stock(s) for taking for subsistence uses 
(where relevant). Further, NMFS must prescribe the permissible methods 
of taking and other ``means of effecting the least practicable adverse 
impact'' on the affected species or stocks and their habitat, paying 
particular attention to rookeries, mating grounds, and areas of similar 
significance, and on the availability of the species or stocks for 
taking for certain subsistence uses (referred to as ``mitigation''); 
and requirements pertaining to the mitigation, monitoring, and 
reporting of the takings are set forth. NMFS has defined ``negligible 
impact'' in 50 CFR 216.103 as an impact resulting from the specified 
activity that cannot be reasonably expected to, and is not reasonably 
likely to, adversely affect the species or stock through effects on 
annual rates of recruitment or survival.
    Except with respect to certain activities not pertinent here, the 
MMPA defines ``harassment'' as: any act of pursuit, torment, or 
annoyance which: (i) has the potential to injure a marine mammal or 
marine mammal stock in the wild (Level A harassment); or (ii) has the 
potential to disturb a marine mammal or marine mammal stock in the wild 
by causing disruption of behavioral patterns, including, but not 
limited to, migration, breathing, nursing, breeding, feeding, or 
sheltering (Level B harassment).

Summary of Request

    On July 15, 2025, we issued a final rule upon request from the POA 
for authorization to take marine mammals incidental to construction 
activities (90 FR 31756). The POA plans to conduct construction 
activities related to replacement of existing cargo terminals 2 and 3 
at the POA in Anchorage, Alaska. This construction will include use of 
vibratory pile driving and removal and impact pile driving. The use of 
vibratory and impact pile driving is expected to produce underwater 
sound at levels that have the potential to result in Level A and Level 
B harassment of marine mammals.

Authorization

    We have issued a LOA to POA authorizing the take of marine mammals 
incidental to construction activities, as described above. Take of 
marine mammals will be minimized through the implementation of the 
following planned mitigation measures: (1) required monitoring of the 
construction area to detect the presence of marine mammals before 
beginning construction activities; (2) shutdown of construction 
activities under certain circumstances to avoid injury of marine 
mammals; (3) use of bubble curtains for impact and vibratory driving of 
permanent (72-inch) piles; and (4) soft start for impact pile driving 
to allow marine mammals the opportunity to leave the area prior to 
beginning impact pile driving at full power. Additionally, the rule 
includes an adaptive management component that allows for timely 
modification of mitigation or monitoring measures based on new 
information, when appropriate. The POA will submit reports as required.
    Based on these findings and the information discussed in the 
preamble to the final rule, the activities described under this LOA 
will have a negligible impact on marine mammal stocks and will not have 
an unmitigable adverse impact on the availability of the affected 
marine mammal stock for subsistence uses.

    Dated: August 18, 2025.
Kimberly Damon-Randall,
Director, Office of Protected Resources, National Marine Fisheries 
Service.
[FR Doc. 2025-15929 Filed 8-19-25; 8:45 am]
BILLING CODE 3510-22-P


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Indexed from Federal Register on August 20, 2025.

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