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 Finding of No Significant Impact for the Front Street Interceptor Project for the City of Bozeman, Montana FONSI/EA March 3, 2020 April 3, 2020

Michele Marsh                             Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322

Notice of Publication of Finding of No Significant Impact for the Bypass Casing and Sewer Line Repair Project for the City of Kalispell, Montana FONSI February 28, 2020 March 29, 2020 Jeremy Perlinski
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-4769
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Water System Improvement Project for the Somers Water and Sewer District, Montana FONSI/EA February 28, 2020 March 29, 2020 Denver Fraser
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5318
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Belgrade Water Resource Recovery Facility Upgrade Project for the City of Belgrade, Montana FONSI/EA February 27, 2020 March 28, 2020 Jeremy Perlinski
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-4769
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Big Sky County Water and Sewer District 363 Water Resource Recovery Facility (WRRF) Improvements Project, for Big Sky, Montana FONSI & EA February 27, 2020 March 28, 2020

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

Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Wastewater System Improvement Project, for the City of Harlowton, Montana FONSI/EA February 10, 2020 March 11, 2020 Michele Marsh
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-5322
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Central Montana Regional Water Authority Musselshell - Judith Rural Water System Phase 1 Project, for the Wheatland and Judith Basin Counties, Montana FONSI/EA February 10, 2020 March 11, 2020 Sandie Koenig
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-6770
Notice of Publication of Finding of No Significant Impact and Environmental Assessment for the Nine Mile County Water & Sewer District - New Water System Project, Toole County, Montana FONSI/EA February 04, 2020 March 06, 2020 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 Absarokee Wastewater Treatment Improvement Project for Absarokee, Montana FONSI/EA January 22, 2020 February 22, 2020 Jeremy Perlinski
Montana Department of Environmental Quality
PO Box 200901
Helena, MT 59620-0901
Phone: (406) 444-4769
Major Facility Siting Act Amendment for Talen Energy to utilize non-Rosebud Mine Seam Coal MFS Certificate Amendment May 10, 2019 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 MFS Certificate Amendment May 3, 2019 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