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

Air Quality | NYDIG – Davidsen Atlas| Public Comment Period Ends June 15, 2026

  • May 29 2026

The Department of Environmental Quality (DEQ) has prepared a Preliminary Determination (PD) for Montana Air Quality Permit #5357-00, for NYDIG – Davidsen Atlas.

A Draft Environmental Assessment (Draft EA) analyzing potential impacts of the proposed permit action on the Montana environment has also been prepared and is linked below the PD.

This PD, and associated Draft EA, are issued by DEQ pursuant to §§ 75-1-101, et. seq, and 75-2-201, et. seq, Montana Code Annotated.

Location:

  • Township 24N, Range 60E, Section 30
  • 47.8076 °N/-104.0648 °W  
  • Richland County

Associated Materials:

Comment Period Ends: 

  • June 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 June 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: MEPA, Public Comment and Air