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Environmental Assessments

By Subject or Program:
Air Quality Permits/EAs
Coal & Uranium Mining
Search Opencut Permits
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Major Facility Siting
Septic Tank Pumpers
Subdivision Reviews
Waste Management (Hazardous Waste, Junk Vehicle Facilities, Solid Waste Facilities) 
Water Quality Discharge Permits

The EAs listed in the links above are not included in the list below.
If no current documents are listed below, please use the links above to look at specific categories of EAs.
Environment Assessment Business Process Flowchart
DEQ Montana Environmental Policy Act (MEPA) Procedural Rule and Guidelines

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Project Name

DEQ
Determination

Issue Date
Removal or Response Date
Department Contact

Notice of Publication of Categorical Exclusion, Town of Joliet, MT

Categorical Exclusion August 8, 2014 September 8, 2014

Jerry Paddock
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-5323

Notice of Publication of Finding of No Significant Impact, Culbertson Treatment System Improvements Phase 2 Project

Finding of No Significant Impact July 25, 2014 August 25, 2014

Jerry Paddock
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-5323

Notice of Publication of Categorical Exclusion, Miles City UV Disinfection and Solids Handling Improvements Project

Categorical Exclusion July 14, 2014 August 12, 2014

Terry Campbell
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-7343

Notice of Publication of Categorical Exclusion, Town of Rexford Wastewater Treatment Improvement Project

Categorical Exclusion June 23, 2014 September 30, 2014

Jerry Paddock
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-5323

Notice of Publication of Categorical Exclusion for the City of Whitefish, MT

Categorical Exclusion June 12, 2014 July 12, 2014

Terry Campbell
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-7343

Final Environmental Assessment - Black Butte Copper Exploration Project


Frequently Asked Questions About The Black Butte Copper Project

Mitigated Environmental Assessment January 14, 2014 None

Herb Rolfes
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-3841

Tintina Alaska Exploration, Black Butte Project Draft EA July 15, 2013 August 26, 2013

Herb Rolfes
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-3841