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
Final Air Quality Permits (2010-Present)
 

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
2774-04 Broadway Gold Corp Portable Crushing/Screening Facility Appeal Period Ends April 1, 2019  Northwest ¼ of Northeast ¼ of Section 2, Township 1 South, Range 6 West, Madison County, Montana John P. Proulx
1821-42 CHS, Inc. Laurel Refinery Public Comment Period Ends March 28, 2019 The South ½ of Section 16, Township 2 South, Range 24 East, in Yellowstone County, Montana Craig Henrikson
OP2005-10
TRD2005-10		 Ash Grove Montana City Portland Cement Plant Public Comment Period Ends April 12, 2019 Section 12, Township 9 North, Range 3 West, in Jefferson County, Montana Craig Henrikson
4195-01 NVA Yellowstone Valley Veterinary Management, LLC Incinerator Appeal Period Ends March 22, 2019 Section 5, Township 1 South, Range 26 East, Yellowstone County, Montana John P. Proulx
2671-07 Old Shelby Gathering, LLC.
Shelby Kevin Field, Station 042		 Natural Gas Compressor Station Appeal Period Ends March 20, 2019 Section 28, Township 33N, Range 1W, in Toole County, Montana Rhonda Payne
2873-07 Hoffman’s R&M Service Portable Asphalt Plant Appeal Period Ends March 19, 2019  Section 25, Township 3 North, Range 8 West, in Silver Bow County, Montana John P. Proulx
OP1821-17
TRD1821-17		 CHS Refinery Laurel Refinery EPA's 45-day Review ends April 5, 2019 South ½, Section 16, Township 2 South, Range 24 East, Yellowstone County, Montana Craig Henrikson
3315-03 Missouri River Trucking & Excavating Inc. Portable drum mix asphalt plant and concrete batch plant Public Comment Period Ends March 18, 2019 3115 Rainbow Dam Road, Section 32, Township 21 N, Range 4 East, in Cascade County, Montana Rhonda Payne
OP2850-08
TRD2850-08		 Flathead County Solid Waste District – Flathead County Sanitary Landfill Municipal Solid Waste Landfill EPA's 45-day Review ends March 18, 2019

Sections 1 and 36, Townships 29 and 30 North, Range 22 West, Flathead County, 4098 Highway 93 North, Kalispell, MT  59901

 Rhonda Payne
OP2850-08
TRD2850-08		 Flathead County Solid Waste District - Flathead County Sanitary Landfill Municipal Solid Waste Landfill Public Comment Period Ends January 14, 2018

Sections 1 and 36, Townships 29 and 30 North, Range 22 West, Flathead County
4098 Highway 93 North
Kalispell, MT  59901

 Rhonda Payne
OP1821-17
TRD1821-17		 CHS Refinery Laurel Refinery Public Comment Period Ends January 3, 2019 South ½, Section 16, Township 2 South, Range 24 East, Yellowstone 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