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
5214-00 Fisher Sand and Gravel Co. Portable Crusher and Screening Facility Appeal Period Ends October 29, 2018 497 Hwy 200S in Glendive, Montana Rhonda Payne
1821-41 CHS, INC. CHS Laurel Refinery Public Comment Period Ends November 9, 2018 The South ½ of Section 16, Township 2 South, Range 24 East, in Yellowstone County, Montana Craig Henrikson
OP2634-06
TRD2634-06
Sun Mountain Lumber Company, Inc. Lumber Manufacturing Facility EPA's 45-Day Review Ends November 23, 2018 SW ¼ of Section 4, Township 7 North, Range 9 West, Powell County, Montana John P. Proulx
3225-01 Helena Sand & Gravel Inc. – Canyon Ferry Ready Mix Plant Portable concrete batch plant Appeal Period Ends October 22, 2018

2750 Canyon Ferry Rd. Helena, MT  

Rhonda Payne
OP2459-08
TRD2459-08
Stillwater Mine Underground platinum/palladium mining and milling operation Appeal Period Ends October 31, 2018 Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East, Stillwater County, Montana Craig Henrikson
5214-00 Fisher Sand & Gravel Portable crushing and screening facility Public Comment Period Ends October 9, 2018 497 Hwy 200S in Glendive, MT Rhonda Payne
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
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
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