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
2428-14 NorthWestern Energy Natural Gas Compressor Station

Appeal Period Ends
March 12, 2019

Section 22, Township 33 North, Range 5 West, Glacier 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
4195-01 NVA Yellowstone Valley Veterinary Management, LLC. Incinerator Appeal Period Ends February 28, 2019 Section 5, Township 1 South, Range 26 East, Yellowstone County, Montana John P. Proulx
0691-05 Montana-Dakota Utilities Co. - Lewis & Clark Station Tangential coal-fired boiler – power generation Public Comment Period Ends February 26, 2019  SW 1/4 of Section 9, Township 22 N, Range 59 E in Richland County, Montana Ed Warner
0513-11 Talen Montana, LLC Colstrip Steam Electric Station Proposed Loadout Facility Public Comment Period Ends February 19, 2019  Section 34, Township 2 North, Range 41 East, in Rosebud County, Montana Ed Warner
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