Air Quality | Ash Grove Cement Company – Ash Grove Plant| Public Comment Period Ends July 17, 2026
The Department of Environmental Quality (DEQ) has prepared a Preliminary Determination (PD) for Montana Air Quality Permit #2005-19, for Ash Grove Cement Company – Ash Grove Plant.
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:
- Sections 7 and 18, Township 9 North, Range 2 West
- Jefferson County
Associated Materials:
- Preliminary Determination on Montana Air Quality Permit # 2005-19
- Draft Environmental Assessment #2005-18
Comment Period Ends:
- July 17, 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 7, 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.govTags: MEPA, Public Comment and Air