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      State of Alaska >    Natural Resources >    Mining, Land & Water
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GREENS CREEK MINE

DNR is responsible for coordinating the State of Alaska's permitting activities for the Greens Creek lead-zinc-silver-gold mine. The mine is located in Southeast Alaska on the Northern end of Admiralty Island National Monument, approximately 25 km South of Juneau. It is situated on federal land administered by the U.S. Forest Service (USFS). The mine is a joint venture between Kennecott Minerals and Hecla and is operated by the Kennecott Greens Creek Mining Company. The company employs 270 workers and they have an annual payroll of $26 million. The mine is a significant part of the economy in Southeast Alaska.

Recent efforts by the state's large mine project team (including personnel from DEC, DF&G, DGC and DNR) include completing the five-year renewal of the DEC and DNR bonding requirements. The financial assurances for the project were increased from approximately $6 million to $24.4 million in 2002. Current efforts include working as a cooperating agency with the USFS and EPA on the necessary permits for the expansion of the tailings facility. An EIS is being completed by the USFS as part of this permitting process. This expansion will require the approval of a revised solid waste permit from DEC as well as additional revisions to the financial assurances.

Final Environmental Impact Statement

KGCMC General Plan of Operations, Appendices 1,3,11 & 14

Appendix 1 – Freshwater Monitoring Plan
Appendix 3 – Tailings Impoundment
Appendix 11 – Production Rock Piles
Appendix 11 - Attachment B – Site Specific Plan – Site 23

Appendix 11 - Attachment C – Inactive Site Monitoring and Maintenance Plan
Appendix 14 – Reclamation Plan

Appendix 14 – Attachment A1, Reclamation Plan Cost Estimate Revision dated October 22, 2003

Permits

On November 7, 2003, the Alaska Department of Environmental Conservation (ADEC) issued waste management permit #0211-BA001 to Kennecott Greens Creek Mining Company (KGCMC) for the continued disposal of treated tailings from a zinc, lead, silver and gold recovery facility to a lease area with an increased footprint to a total of 123.3 acres (inclusive of disposal area and treatment infrastructure adjacent to the disposal area) and various portions within the underground workings of the mine, and the disposal of waste rock (also known as production rock) to production rock disposal sites 23 and D. The above-ground tailings facility is projected to accept tailings up to a final projected total tailings footprint area of 62.2 acres and total volume of 5.3 million cubic yards (9.6 million tons). The facility includes a marine outfall with diffuser that is used for discharge of waters from the facility under a National Pollutant Discharge Elimination System (NPDES) permit. The above ground production rock facility has a total capacity of 1.2 million cubic yards.

ADEC Waste Management Permit #0211-BA001
National Pollutant Discharge Elimination System Permit (NPDES) - AK004320-6

Annual Reports

Tailings and Production Rock Site

2008 Annual Report
2007 Annual Report
2006 Annual Report
2005 Annual Report
2004 Annual Report
2003 Annual Report
2002 Annual Report
2001 Annual Report

Inactive Production Rock Sites and Quarries

2008 Annual Report
2007 Annual Report
2006 Annual Report
2005 Annual Report
2004 Annual Report
2003 Annual Report
2002 Annual Report

Fresh Water Monitoring Plan

2008 Water Year - October 1, 2007 through September 30, 2008
2007 Water Year - October 1, 2006 through September 30, 2007
2006 Water Year - October 1, 2005 through September 30, 2006
2005 Water Year - October 1, 2004 through September 30, 2005
2004 Water Year - October 1, 2003 through September 30, 2004
2003 Water Year - October 1, 2002 through September 30, 2003
2002 Water Year - October 1, 2001 through September 30, 2002

Aquatic Biomonitoring

2008 Aquatic Biomonitoring Report
2007 Aquatic Biomonitoring Report
2006 Aquatic Biomonitoring Report
2005 Aquatic Biomonitoring Report
2004 Aquatic Biomonitoring Report
2003 Aquatic Biomonitoring Report
2002 Aquatic Biomonitoring Report
2001 Aquatic Biomonitoring Report

2009 Annual Meeting
June 2, 2009 10AM, Juneau DEC 2nd Floor Main Conf. Room

Powerpoint Presentation by Hecla Greens Creek Mining Co.
  • 2008 Overview
  • 2008 Tailings
  • 2008 Fresh Water Monitoring Program
  • 2008 Biomonitoring
  • 2008 Site 23/D
  • 2008 Annual Meeting
    July 8, 2008 9am – 4:30pm, Juneau DEC 2nd Floor Main Conf. Room

    Powerpoint Presentation by Hecla Greens Creek Mining Co.
  • 2007 Overview
  • 2007 Tailings
  • 2007 Fresh Water Monitoring Program
  • 2007 Biomonitoring
  • 2007 Site 23/D
  • ADEC Inspection Reports

    November 18, 2008
    August 21, 2008
    July 31, 2008
    May 28, 2008
    May 5, 2008
    March 07, 2008
    October 11, 2007
    May 16, 2006
    November 30, 2005
    June 27, 2005
    April 14, 2005
    November 23, 2004
    May 26, 2004
    August 21, 2003
    November 4, 2002
    January 16, 2002
    July 31, 2001

    KGCMC Reports

    April 18, 2005 - Pond 7 Hydrology Report, Environmental Design Engineering Consultants (EDE) - Hard Copy (on request)

    January 7, 2005 - Engineering Assessment of Production Rock Sites 23 & D (Klohn Crippen) - Hard Copy (on request)

    February 5, 2002 - Stage II Tailings Expansion Hydrological Analysis, Environmental Design Engineering Consultants (EDE)

    Contact for the States' Large Mine Team:

    Tom Crafford
    Mining Coordinator
    Alaska Department of Natural Resources
    Office of Project Management and Permitting
    550 West 7th Avenue, Suite 900D
    (907) 269-8629
    Email: tom.crafford@alaska.gov

    Contact for copy of DEC Waste Management Permit:

    Ed Emswiler
    Solid Waste Program
    DEC Division of Environmental Health
    410 Willoughby Avenue, Suite 303
    PO Box 111800
    Juneau, Alaska 99811-1800
    Telephone: (907) 465-5353 Fax Number:(907) 465-5164
    Email: ed.emswiler@alaska.gov

    Contact for Greens Creek Tailings Disposal final EIS
    and KGCMC General Plan of Operations
    and other USDA Forest Service Documents:

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

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