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  
OP0901-06 TRD0901-06 MDU Miles City Generating Station Electrical Generating Unit Public Comment Period Ends June 11, 2021 NW¼ of Section 36, Township 8 North, Range 47 East, in Custer County Craig Henrikson
OP1689-01 TRD1689-01 Barrick Golden Sunlight Mine Gold Mine Appeal Period Ends June 11, 2021 NW1/4 Section of NW Section 29 Township 2N, Range 3W, Jefferson County Craig Henrikson
1564-34 Exxon Mobil Corporation - Billings Refinery Petroleum Refinery Appeal Period Ends June 9, 2021 Southern half of Section 24 and the Northern half of Section 25, Township 1 North, Range 26 East, in Yellowstone County Shawn Juers
OP3237-04 TRD3237-04 Lubrizol Life Science, Inc. Production of surgical medical products Appeal Period Ends June 7, 2021 SW¼ of Section 31, Township 7 North, Range 20 West, Ravalli County Troy Burrows
2161-34 Calumet Montana Refining, LLC Great Falls Petroleum Refinery Appeal Period Ends May 18, 2021 NE¼ of Section 1, Township 20 North, Range 3 East, in Cascade County Shawn Juers
OP2814-06 TRD2814-06 WBI Energy - Vida Compressor Station Natural Gas Compressor Station EPA's 45-day Review ends June 15, 2021 North ½ Northeast ¼, Section 27, Township 25 North, Range East,
McCone County
Troy Burrows
5257-00 Gibson Brands, Inc. – Bozeman Division Musical Instrument Manufacturing Public Comment Period Ends June 1, 2021 NE¼ of the SE¼ of Section 35, Township 1 South, Range 5 East, in Gallatin County Ed Warner
3034-03 Wilderness Funeral Homes’ Hi-Line Crematory Human crematory Appeal Period Ends May 14, 2021 Section 18, Township 30 North, Range 30 East, Phillips County Julie Ackerlund
OP2979-14 TRD2979-14

Northern Border Pipeline Company - Compressor Station No. 1

Natural Gas Compressor Station EPA's 45-day Review ends June 14, 2021

NE ¼ of SE ¼ of Section 12, Township 33 North, Range 38 East,

Valley County
John Proulx

OP1564-17

TRD1564-17

Exxon Mobil Corporation Billings Petroleum Refinery Public Comment Period Ends May 24, 2021 South ½ of Section 24 and North ½ of Section 25, Township 1 North, Range 26 East, in Yellowstone County Shawn Juers

 

OP2736-14 TRD2736-14 OneOK Rockies Baker Gas Plant EPA's 45-day Review ends June 7, 2021 SW ¼ of SW ¼ of Section 6, Township 7 North, Range 60 East in Fallon County Troy Burrows
OP2974-14 TRD2974-14 Northern Border Pipeline Company - Compressor Station No. 3 Natural Gas Compressor Station Public Comment Period Ends June 7, 2021 NE ¼ of Section 6, Township 28 North, Range 57 East, Roosevelt County, Montana John Proulx
1993-22 American Chemet Oxide Manufacturing Facility Appeal Period Ends May 5, 2021 Northeast ¼ of Section 36, Township 10 North, Range 3 West, Lewis and Clark County Craig Henrikson
3211-05 Basin Creek Power Electrical Generating Unit Appeal Period Ends May 17, 2021 Section 18, Township 2 North, Range 7 West, in Silver Bow County Craig Henrikson
OP4255-04 TRD4255-04 NorthWestern Energy – Dave Gates Generating Station at Mill Creek Electric Generating Units  EPA's 45-day Review ends June 1, 2021

NW¼ of Section 17 and the SW ¼ of Section 8, Township 4 North, Range 10 West, Deer Lodge County

Julie Ackerlund
OP2991-03 TRD2991-03 United States Department of Public Health and Human Services, National Institutes of Health – Rocky Mountain Laboratories  Medical Research Facility EPA's 45-day Review ends May 28, 2021 NE ¼ of Section 36, Township 6 North, Range 21 West, Ravalli County John Proulx
OP4256-03 TRD4256-03 Basin Electric Power Cooperative Culbertson Generating Station Appeal Period Ends May 14, 2021

Section 5, Township 28 North, Range 57 East, Roosevelt County

Troy Burrows
OP0691-08 TRD0691-08 MDU Lewis and Clark Station Electrical Generating Unit Appeal Period Ends May 12, 2021 Southwest ¼, Section 9, Township 22 North, Range 59 East, Richland County Craig Henrikson
2933-06 A.B. Energy LLC/Prairie Dell Cascade Gas Plant Natural gas compressor station Appeal Period Ends May 7, 2021 Northeast ¼ of Section 34, Township 34 North, Range 2 West in Toole County Julie Ackerlund
1689-09 Barrick Golden Sunlight Mine Gold Mine Public Comment Period Ends April 20, 2021 Township 2 North, Range 3 West, Jefferson County Craig Henrikson
OP2484-07 TRD2484-07 WBI Energy Transmission Cabin Creek Compresson Station Natural gas compressor station EPA's 45-day Review ends May 16, 2021

East ½ of Southeast ¼ of Southeast ¼ of Section 16, Township 10 North, Range 58 East

Troy Burrows