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

Air Quality | Talen Energy - Colstrip Steam Electric Station| Public Comment Period Ends July 15, 2026

  • June 30 2026

The Department of Environmental Quality (DEQ) has prepared a Proposed Tax Certification Determination for Talen Energy - Colstrip Steam Electric Station.

Associated Materials:

Comment Period Ends: 

  • July 15, 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 July 5, 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