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Environmental Impact Statements

EIS's remain posted for a longer term for the convenience of our users.
Environmental Impact Statement Business Process Flowchart
DEQ Montana Environmental Policy Act (MEPA) Procedural Rule and Guidelines

 


 

Site/Subject Notice Date Comments Due Date 

Department Contact

Final Environmental Impact Statement for the Butte Highlands Mine

Final EIS

Appendix A - MPDES Permit

Appendix B - WQ Monitoring

Appendix C - Reclamation

Appendix D - Comments

Public Notice for Comments - Proposed Determination

December 18, 2014  

Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Record of Decision for Garnet USA

 

Final Environmental Impact Statement for Garnet USA Amendment 3
 

Final EIS

February 21, 2014  

Jeffery Herrick      DEQ Director's Office
(406) 444-3276

 

Record of Decision for Golden Sunlight Mine
 

 

Final Environmental Impact Statement for Golden Sunlight Mine - amendment to operating permit

Final Environmental Impact Statement

January 13, 2013

 

December 19, 2013

 

Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Draft Environmental Impact Statement for Butte Highlands Joint Venture

Cover Letter

Draft Environmental Impact Statement

 

October 2013

 

Novmber 9,2013

Jeffery Herrick      DEQ Director's Office
(406) 444-3276

Draft Environmental Impact Statement for Garnet USA Amendment 3

Cover Letter

Draft Environmental Impact Statement

 

September 30, 2013

October 31, 2013

Jeffery Herrick      DEQ Director's Office
(406) 444-3276

Draft Environmental Impact Statement for Golden Sunlight Mine - amendment to operating permit

Cover Letter

Environmental Impact Statement

 

September 17, 2013

Comment period ends October 20, 2013

 

E-mail comments to: 

deqgoldensunlighteis@mt.gov

Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Final Enviromental Impact Statement for Troy

Environmental Impact Statement

Appendices

Troy Record of Decision Cover Letter

Record of Decision for Troy Mine Revised Reclamation Plan

   

Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Record of Decision (ROD) for the Stillwater Mining Company's Revised Water Management Plan and Boe Ranch

Final Environmental Impact Statement (EIS) for the Stillwater Mining Company's Revised Water Management Plan and Boe Ranch LAD

Cover Letter

Appendices

  Comment Period ended February 24, 2011

Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Patrick Pierson
Custer National Forest
(406) 657-6200, ext. 213

Supplemental Draft Environmental Impact Statement (EIS) for the Montanore Project 

Cover Letter

Supplemental Draft EIS - Volume 1 (5 MB)

SDEIS Figures (9 MB)

SDEIS Appendices (5 MB)

September 21, 2011 Comment Period Ends November 14, 2011

Comments can be emailed to either:

Lynn Hagarty

Kootenai National Forest
(406)283-7642
or
Kristi Ponozzo
DEQ Director's Office
(406) 444-1760

Draft Environmental Impact Statement (DEIS) for the Troy Mine Revised Reclamation Plan

Comment Date Extended

Cover Letter

Executive Summary

DEIS Text Part 1 - Executive Summary, Purpose, Need, Alternatives (3.34 MB)

DEIS Text Part 2 - Affected Environment and Consequences, Consultation, Coordination, Index, Acronyms, Glossary, References (5.62 MB)

Appendices - complete document (26.8 MB)
  Appx A Scoping Report (2.65 MB)
  Appx B Mine Water Balance Analysis (0.99 MB)
  Appx C Mine Water Management Analysis (1.05 MB)
  Appx D Metals Attenuation Study - Secondary Process (3.11 MB)
  Appx E Site Conceptual Channel Design (1.34 MB)
  Appx F Surface Water Evaluation (3.88 MB)
  Appx G Conceptual Design of New Water Line for Transport of Mine Water after Mine Closure (4.12 MB)
  Appx H Mine Water Plume Location & Identification Phase I Results & Phase 2 & 3 Work Plan (154 KB)
  Appx I Assessment of Natural Attenuation of Metals in a Decant Pond Disposal System (8.73 MB)

May 2011 August 5, 2011 Comments can be emailed to either:

Bobbie Lacklen
Kootenai National Forest
(406)283-7681
or
Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Draft Keystone XL Pipeline Rate Impact Study

Cover Letter
 
December 7, 2010 January 5, 2011 Greg Hallsten - DEQ DEQKeystone@mt.gov
Draft Environmental Impact Statement (EIS) for the Stillwater Mining Company's Revised Water Management Plan and Boe Ranch LAD (35MB)

Cover Letter

Appendices (5MB)

Executive Summary (0.5MB)

November 8, 2010 The Comment Period ends February 24, 2011, which is 45 days after the Notice of Availability was published in the Federal Register. Comments can be e-mailed to either:

Patrick Pierson
Custer National Forest
(406) 657-6200, ext. 213
or
Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Draft EIS for the Keystone XL Pipeline US Department of State

April 2010

 

Tom Ring
Environmental Management Bureau

Greg Hallsten
DEQ Director's Office
(406) 444-3276

Draft Environmental Impact Statement (EIS) for the Montanore Project (25MB)
Cover Letter
EIS Update
Volume I Purpose, Need, Alternatives, Affected Environment and Consequences (4MB)
Volume II Affected Environment and Consequences, Consultation, Coordination, Index, Acronyms, Glossary, References (2MB)
Figures (13MB),  Appendices (5MB)
February 24, 2009 Comment Period Ends June 29, 2009

Comments can be emailed to either:

Bobbie Lacklen
Kootenai National Forest
(406)283-7681
or
Kristi Ponozzo
DEQ Director's Office
(406) 444-2813

Draft Environmental Impact Statement for the Bison Pipeline Project with the Federal Energy Commission.
 FERC Online.
April 2009 October 21, 2009 Tom Ring
Environmental Management Bureau
(406) 444 -6785

Draft Environmental Impact Statement (FEIS) for
Graymont - Indian Creek Mine Expansion
Final EIS for Graymont - Indian Creek Mine Expansion
Record of Decision


December 2008

June 2, 2010


October 6, 2010

  Greg Hallsten
DEQ Director's Office
(406) 444-3276
Final Environmental Impact Statement (FEIS) for Montana Alberta Tie Ltd. (MATL)
Volume 1
Volume 2 Comment Response Doc.
Appendix A-Q
September 2008   Greg Hallsten
DEQ Director's Office
(406) 444-3276
Notice of Public Scoping
Mountain States Transmission Intertie
MSTI
August 8, 2008   Tom Ring
Environmental Management Bureau
(406) 444-6785
Scoping Document for Stillwater Mining Company Environmental Impact Statement

Chapter 2  Public Participation, Issue Identification, and Alternatives Development

June 29, 2001

 

July 21, 2008

  Patrick Plantenberg
Environmental Management Bureau
(406) 444-4960
FINAL Environmental Impact Statement for the Absaloka Mine Crow Reservation South Extension Coal Lease Approval, Proposed Mine Development Plan, and Related Federal and State Permitting Actions

Bureau of Indian Affairs, Record of Decision

Draft Environmental Impact Statement for the Absaloka Mine Crow Reservation South Extension Coal Lease Approval, Proposed Mine Development Plan, and Related Federal and State Permitting Actions

October 10, 2008

 

 

 

 

March 21, 2008

 

 

 

 

 

Comment Period Ends June 4, 2008

Greg Hallsten
DEQ Director's Office
(406) 444-3276
Record of Decision Cover Letter
Record of Decision  Proposed M-Pit Mine Expansion at the Montana Tunnels Mine

Final EIS Proposed M-Pit Mine Expansion at the Montana Tunnels Mine

Draft EIS for the Proposed M-Pit Mine Expansion at the Montana Tunnels Mine in Jefferson County, MT(13 Mb pdf)

October 27, 2008






February 2008







Comment Period Ends April 15, 2008
 
Greg Hallsten
DEQ Director's Office
(406) 444-3276
February 2008
Federal Draft EIS and State of Montana Supplemental Draft EIS
for the
Montana Alberta Tie Ltd. (MATL) 230-kV Transmission Line
February 2008 Comment Period Ends March 31, 2008 Tom Ring
(406) 444-6785
or Ellen Russell
at (202) 586-9624
or
email matl@mt.gov
Golden Sunlight Mine Pit Reclamation

Final Supplemental EIS
Draft Supplemental Environmental Impact Statement (11 Mb large pdf document)

August 17, 2007

 

July  2007

December 16, 2004

 


 
Extended to
April 12, 2005 from
February 14, 2005

Greg Hallsten
DEQ Director's Office
(406) 444-3276
 
Draft EIS

Rebuild of the Libby (FEC) to Troy Section of Bonneville Power Administration’s Libby to Bonners Ferry 115-kilovolt Transmission Line Project

July 2007 July 2007 September 4, 2007

Tom Ring
Environmental Management Bureau
(406) 444-6785

Nancy Johnson
Environmental Management Bureau
(406) 444-6797

Final EIS for Southern Montana Electric Generation and Transmission Cooperative's
Highwood Generation Station Unit #1

Draft Environmental Impact Statementt

Scoping Report Cover Letter
Scoping Summary Report
Cover Letter
Scoping Document
Fig 1 - SME Service Area
Fig 2 - Highwood Station
Fig 3 - Industrial Park Site
Fig 4 - CFB Process Schematic

May 11, 2007

January 2007

 

 

June 2006

 

 

 

 

August 30, 2006

Greg Hallsten
DEQ Director's Office
(406) 444-3276
 
Final EIS Appendix A Public Comments

 

Draft EIS for the Gallatin River Outstanding Resource Water (ORW) Designation

Hearing Information

January 9, 2007

 

 

September 8, 2006

 

 

 

October 27, 2006

Greg Hallsten
DEQ Director's Office
(406) 444-3276
Holcim Tire Burning Proposal
Hearing Information

Cover Letter
Draft Environmental Impact Statement
Appendix A
Appendix B
Appendix C (Draft Air Quality Permit)
July 2006 September 28, 2006 Greg Hallsten
DEQ Director's Office
(406) 444-3276
Plum Creek Timberlands Inc.
Rock Product Sites

Draft EIS

Final EIS

April 20, 2006

 

October 24, 2006

June 1, 2006 Patrick Plantenberg
Environmental Management Bureau
(406) 444-4960
Gallatin River ORW EIS

Final Scoping Report
Scoping Press Release
Petition

    Greg Hallsten
DEQ Director's Office
(406) 444-3276
Montanore Mine EIS

Montanore EIS Update
Request for Public Comments

Project maps for the Transmission Line Certificate Application and Operating Permit Application

Transmission Line Certificate Application and the Operating Permit Application

 

July 18, 2005

 

September 15, 2005

Greg Hallsten
DEQ Director's Office
(406) 444-3276

Tom Ring
MFSA Coordinator
(406) 444-6785

EIS for Southern Montana Electric Generation and Transmission Cooperative's
Highwood Generation Station Unit #1

Scoping Report Cover Letter
Scoping Summary Report
Cover Letter
Scoping Document
Fig 1 - SME Service Area
Fig 2 - Highwood Station
Fig 3 - Industrial Park Site
Fig 4 - CFB Process Schematic

April 6, 2005 May 6, 2005 Greg Hallsten
DEQ Director's Office
(406) 444-3276
C.R. Kendall Mine Closure
Scoping Document
Hydrogeologic Data Summary (2/24/04)
Historic and Modern Mining (2/24/04)
April 7, 2003 To Comment on the Scoping Document, respond by
April 9, 2003
(see meeting page)
to participate in technical meetings, respond by April 19, 2003
Greg Hallsten
DEQ Director's Office
(406) 444-3276

Karen Ekstrom
CDM
28 N. Last Chance Gulch
Helena
(406) 495-1414 x311

Roundup Power Project
FINAL Environmental Impact Statement
(large PDF, slow loading)

Record of Decision Cover Letter
Record of Decision
Air quality permit decision cover letter
Air quality permit
January 10, 2003
January 31, 2003
February 18, 2003 Greg Hallsten
DEQ Director's Office
(406) 444-3276
Final Statewide Oil and Gas EIS and Proposed Amendment of the Powder River and Billings RMPs  - (Coal Bed Methane EIS)(posted 01/10/03)
Record of Decision
January, 2003    Christian Levine
Resource Protection Planning Bureau
(406) 444-0371
Roundup Power Project
Draft Environmental Impact Statement

(large PDF, slow loading)
November 18, 2002 December 18, 2002 Greg Hallsten
DEQ Director's Office
(406) 444-3276
Silver Bow Generation Project
Record of Decision
March 14, 2002 See section VIII - "Appeals Process" in ROD Greg Hallsten
DEQ Director's Office
(406) 444-3276
Silver Bow Generation Project
Final  Environmental Impact Statement
February 21, 2002 N/A Greg Hallsten
DEQ Director's Office
(406) 444-3276
Air Quality Permit #2414-01
Department Decision for Sterling Mining Company Rock Creek Project
February 01, 2002 Appeals must be filed by February 19, 2001 Dave Klemp
Permitting & Compliance Division
(406) 444-0286
Rock Creek Project - Record of Decision
(see Montanore above)
December 26, 2001 Various - See section 'Right to Administrative Review (Appeals Processes) in ROD Greg Hallsten
DEQ Director's Office
(406) 444-3276
Silver Bow Generation Project 
Draft Environmental Impact Statement
December 21, 2001 January 22, 2002 Greg Hallsten
DEQ Director's Office
(406) 444-3276
Final Environmental Impact Statement 
for Rock Creek Project
September 14, 2001   Greg Hallsten
DEQ Director's Office
(406) 444-3276
Asarco Rock Creek Draft EIS
Supplement to the Draft EIS*
October, 1995
January, 1998
  Patrick Plantenberg
Environmental Management Bureau
(406) 444-4960

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