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  
5249-00 TrueNorth Steel Billings Steel Manufacturing Public Comment Period Ends September 1, 2020 SESW portion of Section 13, Township 1S, Range 25E, in Yellowstone County

Julie Ackerlund

3185-07 Rocky Mountain Power, LLC - Hardin Generating Station Electric power generation Public Comment Period Ends August 10, 2020 Northwest ¼ of Section 12, Township 1 South, Range 33 East, in Big Horn County Ed Warner
5200-01 Tintina Montana Inc. Underground Copper Mine Appeal Period Ends August 7, 2020 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 Craig Henrikson
5251-00 Wyrynen-Richards Funeral Home Human Cremantorium Public Comment Period Ends August 19, 2020 SE¼ of Section 19, Township 3 North, Range 7 West, Silver Bow County Ed Warner
OP3395-05 TRD3395-05 Montana Silversmiths Inc. Manufacturer of western belt buckles and jewelry EPA's 45-day Review ends August 31, 2020

Section 28, Township 2 South, Range 20 East, Stillwater County

Julie Ackerlund
5248-00 Potentate Mining, LLC – Sapphire Ranch Mine Sapphire and gold mine Public Comment Period Ends July 30, 2020 Sections 15, 16, 17, 20, 21, and 22, in Township 6 North, Range 16 West, in Granite County Ed Warner
5244-00 Keith Schnider Pet Crematorium Public Comment Period Ends August 12, 2020 Section 13, Township 20 North, Range 3 East, in Cascade County Craig Henrikson
OP1821-18  TRD1821-18 CHS Laurel Refinery CHS Laurel Refinery EPA's 45-day Review ends August 24, 2020 South ½ of Section 16, Township 2 South, Range 24 East, in Yellowstone County Craig Henrikson
OP2736-13 TRD2736-13 ONEOK Rockies Midstream, LLC Baker Gas Plant Appeal Period Ends August 1, 2020 SW 1/4 of Section 6, Township 7 North, Range 60 East, in Fallon County Shawn Juers
5246-00 Crusoe Energy Taylor LW 14-23 CTB Appeal Period Ends July 26, 2020 Section 11, Township 25 North, Range 58 East, in Richland County Troy Burrows
OP2303-11 TRD2303-11 Roseburg Forest Products Missoula Particleboard Facility Appeal Period Ends July 20, 2020 Section 8, Township 13 North, Range 19 West, Missoula County Julie Ackerlund
OP3185-05 TRD3185-05 Rocky Mountain Power, LLC - Hardin Generating Station

Coal Fired Electrical Power Generation

EPA's 45-day Review ends August 3, 2020 643 Industrial Park Road, Hardin, MT 59304 Rhonda Payne
5242-00 Bridger Pipeline LLC – Sandstone Station Petroleum storage facility Appeal Period Ends June 1, 2020 SE ¼ of the NE ¼ of Section 4, Township 7 North, Range 58 East, in Fallon County, Montana Troy Burrows