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 the Upper and Lower Lincoln Hills Water Storage Tank Replacement Project for the City of Missoula, Montana CATEX April 21, 2021 May 21, 2021 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 and Environmental Assessment for the Gore Hill County Water District Water System Improvements Project for the Gore Hill County Water District, Montana FONSI/EA April 16, 2021 May 16, 2021 Sandie Koenig
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6770
Notice of Publication of Finding No Significant Impact and Environmental Assessment for the 2021 Water System Improvements Project for the City of Dillon, Montana FONSI/EA April 7, 2021 May 7, 2021 John McDunn
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6782
Notice of Publication of Categorical Exclusion for the Phase 3 Water Main Replacement Project for the City of White Sulphur Springs, Montana CATEX April 1, 2021 May 1, 2021 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 Choteau Wastewater Collection System Improvements - Phase 1 for the City of Choteau, Montana CATEX March 31, 2021 April 30, 2021 Jackie Kuhl
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-2626
Notice of Publication of Categorical Exclusion for the New Wastewater Treatment Influent Screen for the Cascade County Vaughn Water and Sewer District, Montana CATEX March 24, 2021 April 24, 2021 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 Town of Plains Wastewater Treatment Plant Relocation for the Town of Plains, Montana FONSI/EA March 19, 2021 April 19, 2021 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322

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 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