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Environmental Assessments

By Subject or Program:
Air Quality Permits/EAs
Coal & Uranium Mining
Search Opencut Permits
Hard Rock Mining Permits
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 for the City of Billings

Categorical Exclusion February 17, 2015 March 19, 2015

Robert Ashton
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-5316

Notice of Publication of Categorical Exclusion for the City of Conrad

Categorical Exclusion February 12, 2015 March 16, 2015

Marc Golz
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-6770

South Wind Water and Sewer District Water System Improvements Project

Finding of No Significant Impact and Environmental Assessment February 11, 2015 March 13, 2015

Gary Wiens
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406)444-7838

City of Shelby Wastewater System Improvements

Finding of No Significant Impact and Environmental Assessment January 29, 2015 March 9, 2015

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