Environmental Assessments

The EAs listed in the links above are not included in the table located in the accordion below. If no current documents are listed below, please use the links above to look at specific categories of EAs.


Project Name

DEQ Determination

Issue Date
Removal or Response Date
Department Contact
Notice of Publication of Categorical Exclusion for Hardin Wastewater Collection System Improvements Project for the City of Hardin, Montana CATEX September 14, 2020 October 15, 2020 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322
Notice of Publication of Finding No Significant Impact for Medicine Lake Wastewater Improvement Project for the Town of Medicine Lake, Montana FONSI September 14, 2020 October 15, 2020 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322
Notice of Publication of Finding No Significant Impact and Environmental Assessment for Medicine Lake Wastewater Improvement Project for the Town of Medicine Lake, Montana FONSI & EA November 7, 2018 October 15, 2020 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322
Notice of Publication of Finding No Significant Impact and Environmental Assessment for the 2020 Water Treatment Plant Upgrade Project for the Lockwood Water and Sewer District, Montana FONSI & EA August 26, 2020 September 26, 2020 Denver Fraser
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5318
Notice of Publication of Finding No Significant Impact for the City of Harlowton Wastewater System Improvements Project for the City of Harlowton, Montana FONSI August 26, 2020 September 26, 2020 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322
Notice of Publication of Finding No Significant Impact and Environmental Assessment for Hebgen Lake Estates County Water and Sewer District Well #3 Project for Hebgen Lake Estates, Gallatin County, Montana FONSI & EA August 18, 2020 September 18, 2020 Sandie Koenig
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6770
Notice of Publication of Categorical Exclusion for the Public Facilities-Water Treatment Plant Upgrades Project for the City of Conrad, Montana CATEX July 29, 2020 August 29, 2020 Sandie Koenig
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6770
Notice of Publication of Categorical Exclusion for Water System Improvements Project for the Vaughn Cascade County Water Sewer District, Montana. CATEX July 24, 2020 August 24, 2020 Sandie Koenig
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6770
Notice of Publication of Categorical Exclusion for the Phase 4 – Water System Improvements Project for the City of Cut Bank, Montana. CATEX July 17, 2020 August 17, 2020 Rob Ashton
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5316

Major Facility Siting Act Amendment for Talen Energy to utilize non-Rosebud Mine Seam Coal

Rescission of Major Facility Siting Act Amendment for Talen Energy to utilize non-Rosebud Mine Seam Coal

MFS Certificate Amendment

May 10, 2019
 

September 8, 2020

N/A Craig Jones
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-0514

Major Facility Siting Act Amendment for Talen Energy to develop a Coal Handling Facility at Colstrip, Montana for non-Rosebud Coal

Rescission of Major Facility Siting Act Amendment for Talen Energy to develop a coal handling facility at Colstrip for non-Rosebud Mine Seam Coal

MFS Certificate Amendment

May 3, 2019
 

September 8, 2020

N/A Craig Jones
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-0514
Final Environmental Assesesment-Golden Sunlight Mine Apex Project Final Environmental Assessment October 2018 N/A Dan Walsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6791

Final Environmental Assessment for proposed West Glacier RV Park's associated water, wastewater, and stormwater and Response to Comments.

DRAFT EA February 2018

Press Release, May 14, 2018

Final Approval May 14, 2018 N/A Rachel Clark
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-4400