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Greens Creek Mine

News and Announcements


Public Notice:

Greens Creek Mine - Applications and State Draft Decisions

Public Notice Start:

November 29, 2019

Public Notice End:

December 30, 2019


On November 29, 2019, the State of Alaska is releasing application renewal documents for the Hecla Greens Creek Mining Company’s existing mining operation and the following draft state decisions for a 32-day public review and comment period. Greens Creek Mine is an underground silver, zinc, lead, and gold mine operated by Hecla Greens Creek Mining Company (HGCMC) and located in the United States Forest Service administered Admiralty Island National Monument near Hawk Inlet in Southeast Alaska.The project applicant, Hecla Greens Creek Mining Company, applied for renewal of their Waste Management Permit and Reclamation Plan Approval. Further information on how to comment can be found below, or on the public notice bulletin on the Alaska Department of Environmental Conservation website: http://dec.alaska.gov/commish/public-notices.

Documents Associated with the Public Review and Comment Period

Alaska Department of Natural Resources, Division of Mining, Land and Water, DRAFT Reclamation Plan Approval (J20192682RPA)

Alaska Department of Natural Resources, Division of Mining, Land and Water, DRAFT Waste Management Permit No. 2020DB0001

Support Documents

Documents submitted by Hecla Greens Creek Mining Company to the State of Alaska in support of project authorizations:

  1. Appendix 1 Integrated Monitoring Plan, November 2019
  2. Appendix 3 Tailings Disposal Facility Management Plan, April 2019
  3. Appendix 7a Integrated Waste Management Disposal Plan, April 2019
  4. Appendix 11 Waste Rock Management Plan, April 2019
  5. Appendix 14 Reclamation and Closure Plan, November 2019
Public Comments

Written comments on the proposed permits must be submitted within 32 days of the first publication of this public notice or no later than December 30, 2019. Please direct written comments to the attention of Kyle Moselle at the address or email identified below. All comments should include the name, address, and telephone number of the commenter, and a concise statement of comment on the permit condition and the relevant facts upon which the comment is based. Comments of either support or concern which are directed at specific, cited permit requirements are appreciated. Comments must be postmarked on or before the expiration date of the public notice.

Deadline for Written Comments or Postmark:
December 30, 2019 at 5:00pm

Hardcopies are also available for review at the following locations:

  • AK Dept. Environmental Conservation (DEC)/ Juneau (410 Willoughby Avenue, Suite 303)
  • AK Dept. Environmental Conservation (DEC) / Anchorage (555 Cordova St.)
  • AK Dept. Natural Resources (DNR)/ Fairbanks (3700 Airport Way)
  • AK Dept. Natural Resources (DNR) / Anchorage (550 W. 7th Ave. 9th Fl.)

Send written comments by mail or email to:

Kyle Moselle, Associate Director

Alaska Department of Natural Resources

Office of Project Management and Permitting

PO Box 111030

Juneau, AK 99801

Phone: (907) 465-6849

Fax: (907) 465-3886

Email: kyle.moselle@alaska.gov

Project Description


The Greens Creek Mine is an underground cut-and-fill and long hole stoping operation using grinding and flotation processes to recover zinc and lead, and gravity processes to recover silver and gold.

The mine is located in southeast Alaska, in the Tongass National Forest near Hawk Inlet on Admiralty Island National Monument, approximately 18 miles southwest of Juneau, on U.S. Forest Service and private patented land within the City and Borough of Juneau. Access to the mine is by sea, and a 13-mile access road.

The project is operated by Hecla Greens Creek Mining Company (HGCMC). The major Greens Creek Mine facilities include the Greens Creek underground mine, surface mill, dry stack tailings facility, tailings storage facility, water treatment system, wastewater treatment plant, administrative and camp facilities, ferry dock and ship-loading facility. Power is supplied by hydroelectric infrastructure and diesel generators.

The mine started production in 1989, and today operates 24-hours a day, 365 days a year. In 2017, Greens Creek Mine produced approximately 8,351,882 ounces of silver, 50,854 ounces of gold, 52,547 tons of zinc, and 17,996 tons of lead. As of 2017, Hecla Greens Creek Mining Company employed approximately 430 people.

Five-year Environmental Audits


Greens Creek Mine 5-Year Environmental Audit (January 2019)

Support Documents


HGCMC General Plan of Operations 2014 - Appendices 1, 3, 7, 11 & 14
Greens Creek Mining Company General Plan of Operations 2004 PDF

*Authorizations issued by other Agencies

Final Environmental Impact Statement

For More Information Contact


State of Alaska Large Mine Permitting Team
Kyle Moselle
Large Mine Coordinator
Alaska Department of Natural Resources
Office of Project Management and Permitting

Mail to:
PO Box 111030
Juneau, AK 99811

Visit at:
400 Willoughby Ave., 4th Floor
Juneau, AK 99801
Phone: (907) 465-6849
Fax: (907) 465-3886
Email

Matthew Reece
USDA Forest Service
8510 Mendenhall Loop Road
Juneau, Alaska 99801
Telephone: (907) 586-8800
Fax Number: (907) 586-8808
Email: matthewareece@fs.fed.us