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

Air Quality | Colstrip Energy LTD Partnership| Public Comment Period Ends June 29, 2026

  • May 28 2026

The Department of Environmental Quality has prepared a Draft Operating Permit #OP2035-06, for Colstrip Energy LTD Partnership.

Location:

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

  • Rosebud County

Associated Materials:

Comment Period Ends:                             

  • June 29, 2026 11:59PM

Send Comments To:

OR

  • DEQ Air Quality Bureau
    PO Box 200901
    Helena MT 59620-0901

 

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 June 19, 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: Public Comment and Air