Public Notices - Air Quality Permits

The Air Compliance Program is responsible for administering those portions of the Clean Air Act (CAA) of Montana (Section 75-2-101 et seq., MCA) and companion regulations pertaining to compliance of air emissions from various types of facilities including delegated federal regulations.

Public Notices
 

Notes: For recent final permits, click the link above. For permits before 2010 please see the Data Search Tools.

The below list includes:

  • Montana Air Quality Permits (MAQPs)
  • Title V Operating Permits (OPs)

Use the field below to search by Permit Number, Facility Name, Location, or description of the facility.

Permit Number Facility/Permit Facility Description/Source Time Frame Site Location DEQ Contact
5210-00 A.M. Welles, Inc. Portable Crushing/Screening Facility Public Comment Period Ends October 22, 2018  Various in Montana John P. Proulx
3225-01 Helena Sand & Gravel. Inc. – Canyon Ferry Ready Mix Plant  Portable concrete batch plant Public Comment Period Ends October 4, 2018  2750 Canyon Ferry Rd. Rhonda Payne
OP2602-06
TRD2602-06
Weyerhaeuser NR Company Evergreen Facility Public Comment Period Ends October 17, 2018

E½, SE¼ of Section 32 & W½, SW¼ of Section 33, T29N, R21W Flathead County, Montana

Shawn Juers
OP1554-11
TRD1554-11
Graymont Western U.S. – Indian Creek Facility Lime manufacturing Public Comment Period Ends October 11, 2018

4.5 miles west of Townsend, Montana, on Indian Creek Road within the SW¼ of Section 28, Township 7 North, Range 1 East, in Broadwater County, Montana

Rhoonda Payne
OP2619-12
TRD2619-12
Phillips 66 Company Billings Petroleum Refinery EPA's 45-day Review Ends October 22, 2018  NW ¼ Section 2, Township 1 South, Range 26 East, Yellowstone County, Montana Shawn Juers
5086-02 ADF Industrial Coatings Structural steel blasting and painting facility Appeal Period Ends September 21, 2018 1900 Great Bear Avenue, Great Falls, Montana Rhonda Payne
OP2634-06
TRD2634-06
Sun Mountain Lumber Company, Inc. Lumber Mill Public Comment Period Ends October 1, 2018 SW ¼ of Section 4, Township 7 North, Range 9 West, Powell County, Montana John P. Proulx
5086-02 ADF Industrial Coatings Structural steel blasting and painting facility Public Comment Period Ends September 5, 2018 1900 Great Bear Avenue, Great Falls, MT Rhonda Payne
OP2459-08
TRD2459-08
Stillwater Mine Underground platinum/palladium mining and milling operation EPA's 45-day Review ends September 27, 2018 Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East, Stillwater County, Montana Craig Henrikson
OP2459-08
TRD2459-08
Stillwater Mine Underground platinum/palladium mining and milling operation Public Comment Period Ends July 25, 2018 Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East, Stillwater County, Montana Craig Henrikson
5200-00 Tintina Montana Black Butte Copper Project (Underground Mine and Mill) Public Comment Period Ends July 5, 2018  Sections 24, 25, and 36 in Township 12N, Range 6E, and Sections 19, 29, 30, 31, and 32 in Township 12N, Range 7E, Meagher County, Montana Craig Henrikson
5106-00 Otter Creek Coal, LLC Bituminous Coal and Lignite Surface Mine Public Comment Period Ends June 10, 2015 Sections 3, 4, 9, 10, 12, 13, 14, 15, 16, 21, 22, 23, 24, 25, and 26 in Township 4S, Range 45E in Powder River County, MT