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

Air Quality | Colstrip Energy LTD Partnership

  • July 16 2026

The Department of Environmental Quality has prepared a Proposed Permit regarding Operating Permit #2035-06, for Colstrip Energy LTD Partnership.

Location:

  • Section: 32 Township: 3N Range: 41E

  • Rosebud

Associated Materials:

EPA Review Period Ends: 

  • August 31, 2026 11:59PM

Contact: Conor Fox

Accommodation statement:

DEQ will make reasonable accommodations for persons with disabilities who wish to participate in this public participation process or need an alternative accessible format of this notice. If you require an accommodation, contact the department no later than 5:00 P.M. on August 21, 2026, to advise us of the nature of the accommodation that you need. Please contact the Department of Environmental Quality at P.O. Box 200901, Helena, Montana 59620-0901; phone (406)444-3490; or e-mail deqair@mt.gov . 


Tags: Air and Public Notice