Montana Department of Environmental Quality About Us Permitting & Operator Assistance Public Participation

Air Quality | Northwestern Energy - Laurel Generating Station (Yellowstone County Generating Station)

  • August 01 2025

The Department of Environmental Quality has prepared a Final Supplemental Environmental Assessment for Montana Air Quality Permit #5261-00, for Northwestern Energy Laurel Generating Station (Yellowstone County Generating Station).

Location:

  • 45.659706°N, latitude and -108.745954°W, longitude
  • Yellowstone County

Associated Materials:

Facility Appeal Period Ends: 

  • September 30, 2025 11:59PM

Contact: Craig Henrikson


Tags: MEPA, Air and Public Notice