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.

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


Project Name

DEQ Determination

Issue Date
Removal or Response Date
Department Contact
Notice of Publication of Categorical Exclusion for the 2021 Water and Sewer Rehabilitation Project for the City of Red Lodge, Montana CATEX May 11, 2021 May 25, 2021 Robert Ashton
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5316
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Rocker Lift Station Upgrade and Connection to Butte-Silver Bow Metro Wastewater Treatment Facility for the County Water and Sewer District of Rocker, Montana FONSI May 4, 2021 June 4, 2021 Jackie Kuhl
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-2626
Notice of Publication of Finding of No Significant Impact for the Dry Prairie Rural Water Authority Opheim Mainline Project - Schedule 1 for Valley and Daniels Counties, Montana FONSI May 3, 2021 June 3, 2021 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 West Holly Water System Improvements Project for the City of Sidney, Montana CATEX April 23, 2021 May 23, 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 City of Missoula Upper and Lower Lincoln Hills Water Storage Tank Replacement Project for the City of Missoula, Montana CATEX May 4, 2021 June 4, 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

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