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.

           
PermitNumber Facility/Permit Facility Description/Source Time Frame Site Location  
OP2602-07 TRD2602-07 Weyerhaeuser – Evergreen Facility Wood Products Manufacturing Appeal Period Ends December 28, 2020

SW Quarter of Section 33, Township 29 North, Range 21 West, Flathead County

Julie Ackerlund
0513-15 Talen Montana, LLC - Colstrip Steam Electric Station Electric generating facility Appeal Period Ends December 9, 2020 Section 34, Township 2 North, Range 41 East, in Rosebud County Ed Warner
3086-02 Barretts Minerals Inc. – Regal Mine Talc Mine Public Comment Period Ends December 23, 2020 Section 35, Township 7 South, Range 7 West, Madison County Julie Ackerlund
1993-20 American Chemet Copper and Zinc Oxide Manufacturing Appeal Period Ends December 1, 2020 Northeast ¼ of Section 36, Township 10 North, Range 3 West, Lewis and Clark County Craig Henrikson
5256-00 Crusoe Energy Systems, Inc - Rowin 17-5 CTB Natura Gas-Fired Generator Engines Appeal Period Ends December 12, 2020

Section 20, Township 26 North, Range 59 East, Richland County

John Proulx
4256-02 Basin Electric Power Cooperative Natural Gas Electrical Generating Station Public Comment Period Ends December 3, 2020 Section 5, Township 28 North, Range 57 East, Roosevelt County Troy Burrows
OP2161-16 TRD2161-16 Calumet Montana Refining, LLC Great Falls Petroleum Refinery Appeal Period Ends December 9, 2020

NE¼, Section 1, Township 20 North, Range 3 East, Cascade County

Shawn Juers
5255-00 Crusoe Energy Systems, Inc. Dagney 33-21 CTB Natural Gas-fired Generator Engines Appeal Period Ends December 9, 2020 Section 4, Township 25 North, Range 59 East, Richland County John Proulx
OP1628-07   TRD1628-07 WBI – Hathaway Compressor Station Natural Gas Compressor Station EPA's 45-day Review ends December 24, 2020 NE¼ of the SE¼ of Section 34, Township 7 North, Range 45 East in Custer County Julie Ackerlund
2619-39 Phillips 66 Company Billings Petroleum Refinery Public Comment Period Ends December 9, 2020 NW¼ of Section 2, Township 1 South, Range 26 East, in Yellowstone County Shawn Juers
5254-00 ONEOK - Wibaux I Pump Station and Wibaux II Pump Station Two adjacent natural gas liquids pump stations Appeal Period Ends November 19, 2020 Section 9, Township 16N, Range 60E in Wibaux County Julie Ackerlund
OP2428-15 TRD2428-15 NorthWestern Energy – Mainline #1 Natural gas compressor station Public Comment Period Ends November 27, 2020

S ½ of Section 22, Township 33 North, Range 5 West in Silver Bow County

Julie Ackerlund
OP2035-04 TRD2035-04 Colstrip Energy Limited Partnership Electrical  Generating Unit Appeal Period Ends November 26, 2020 Northeast ¼ of Section 32, Township 3 North, Range 41 East in Rosebud County Craig Henrikson
OP3237-04 TRD3237-04 SSP-SiMatrix Production of silicon based medical devices Public Comment Period Ends October 31, 2020 SW1/4 of Section 31, Township 7N, Range 20W, in Ravalli County Troy Burrows
OP4256-03 TRD4256-03 Basin Electric Power Cooperative - Culbertson Generating Station Culbertson electrical generating station Public Comment Period Ends October 25, 2020 Section 5, Township 28 North, Range 57 East Roosevelt County Troy Burrows