Red Dog Mine Amendment Requests for their Plan of Operations Approval (F20219958POOA) & Reclamation Plan Approval (F20219958RPA.03) to Construct a Solar Farm Facility and[...]

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Red Dog Mine Amendment Requests for their Plan of Operations Approval (F20219958POOA) & Reclamation Plan Approval (F20219958RPA.03) to Construct a Solar Farm Facility and Tailings Storage Facility Emergency Spillway.

NOTICE TO THE PUBLIC AND REQUEST FOR INFORMATION

The Alaska Department of Natural Resources has received requests to amend the Plan of Operations and Reclamation Plan approvals for the Red Dog Mine to support construction of facilities that will reside on private (NANA) and state lands located in the Lisburne Mining District northeast of Kivalina.

This notice is pertaining to the Department's review and adjudication of the Red Dog Mine Solar Farm Facility and Tailings Storage Facility (TSF) Emergency Spillway. These activities are subject to AS 38.05 (Alaska Land Act), AS 27.19 (Reclamation), and Alaska Administrative Code, Title 11 (Natural Resources) Chapter 86 (Mining Rights) and Chapter 97 (Mining Reclamation).

APPLICANT:
Teck Alaska Incorporated (TAK)
2525 C Street, Suite 310
Anchorage, Alaska 99503

PROJECT NAME: Red Dog Mine Solar Farm Facility and TSF Emergency Spillway

GEOGRAPHIC LOCATION: De Long Mountains

LEGAL DESCRIPTION:
Sections 19, 20, 29, 30, and 31, Township 31 North, Range 18 West, Kateel River Meridian
Sections 24, 25, and 36, Township 31 North, Range 19 West, Kateel River Meridian

REQUESTED ACTIVITY: TAK is requesting approval to amend the current Plan of Operations and Reclamation Plan to use portions of the Millsite Lease (State Land), ADL 233521, to construct a solar photovoltaic array and battery center. TAK is also proposing construction of an emergency spillway for the TSF as part of its closure and reclamation strategy.

The construction, generation, operation, and maintenance of the solar array provide direct power to the mine through renewable energy generation. Construction of the solar array and battery facility will be located within the southern area of the Millsite Lease.

Construction for the Emergency Spillway at the TSF is proposed to provide a controlled overflow path to prevent overtopping in the event the inflow design storage is exceeded. This emergency spillway will consist of a 30-foot wide fixed-elevation weir within a controlled flow pathway that originates along the western side of the TSF (NANA Land) which will discharge at a point within the Millsite Lease. A site access road will also be constructed from the existing West Trails Road which would run adjacent to the spillway alignment into a turnaround. This spillway is part of a permanent risk-reduction feature for long-term safety and performance of the facility.

DEADLINE FOR COMMENTS: April 13, 2026, at 5:00 PM ADT

This is a notice provided to the public and the public is invited to comment on this activity. The purpose of this notice is to gather input before a decision is made on this activity. A request for additional information may be submitted to William Groom. To ensure consideration any person wishing to provide comments regarding this application may do so electronically via our public comment email, [email protected]. If you are unable to submit comments to this email, you may submit them in writing to ensure consideration. Written comments must be postmarked or received via email by the Division of Mining, Land & Water - Mining Section - Large Mines Program, 3700 Airport Way, Fairbanks, AK 99709 on or before 11:59 PM ADT on April 13, 2026, directed to William Groom, Telephone (907) 451-2788; Fax: (907) 451-2703 or email: [email protected].

After review and adjudication, we may issue an authorization with stipulations for the activity. The activity may be modified during the review and adjudication process.

DNR-DMLW complies with Title II of the Americans with Disabilities Act of 1990. Individuals with disabilities who may need auxiliary aids, services or special modifications to comment should contact Alaska Relay at 711 or 800-770-8973 for TTY services.

The DMLW reserves the right to waive technical defects in this notice.

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