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
OP0982-06
TRD0982-06
GCC Three Forks, LLC. Portland Cement Manufacturing Facility  EPA's 45-day Review ends July 8, 2019  NE ¼ Section 9, SE ¼ Section 4, SW ¼ Section 3, NW ¼ Section 10, Township 2 North, Range 2 East, Gallatin County, Montana John P. Proulx
0513-12 Talen Montana, LLC Colstrip Steam Electric Station Public Comment Period Ends 6/3/19 Section 34, Township 2 North, Range 41 East, in Rosebud County, Montana Ed Warner
2005-15 Ash Grove Portland Cement Plant Public Comment Period Ends: June 3, 2019 The plant's legal location is Sections 12 and 13, Township 9 North, Range 3 West in Jefferson County.  The old quarry and silos are located in Sections 7 and 18 of Township 9 North, Range 2 West in Jefferson County.  The quarry is located in Sections 9, 10, 15, and 16 of Township 9 North, Range 3 West, in Jefferson County, Montana Craig Henrikson
1570-07 Western Energy Surface Coal Mine Appeal Period Ends May 28, 2019 Western Energy operates a surface coal mine and extraction facility located in Area C and Area F of the Rosebud Mine. Area C is located west of Colstrip in Sections 1-3 of Township 1 North, Range 39 East; Sections 34-36 of Township 2 North, Range 39 East; Sections 1-6, 8-12, and 13-17 of Township 1 North, Range 40 East; and Sections 28, 29, and 31-33 of Township 2 North, Range 40 East in Rosebud County.  Area F is located in Sections 19, 20, 28, 29, 30, 31, 32, 33, 34 Township 2 North, Range 39 East and Sections 3, 4, 5 in Township 1 North, Range 39 East in Rosebud County, and Sections 12, 13, 14, 23, 24, 25 Township 2 North Range 38 East in Treasure County.  The Record of Decision excluded mine passes in Section 12 Township 2 North Range 38 East in Treasure County, Montana Craig Henrikson
1435-08 Decker Mine Surface Coal Mine Public Comment Period Ends May 28, 2019 Sections 27, 28, 29, 32, 33, and 34 of Township 8 South, Range 40 East; Sections 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24 and 28 of Township 9 South, Range 40 East; and Sections 7, 8, 17, 18, and 19 of Township 9 South, Range 41 East, in Big Horn County, Montana Rhonda Payne
1427-10 Malmstrom  Air Force Base Public Comment Period Ends June 10, 2019 Township 20 North, Range 4 and 5 East, in Cascade County, Montana Craig Henrikson
OP1427-13
TRD1427-13
Malmstrom Air Force Base United States Air Force Base – 341st MW of the Air Force Global Strike Command EPA's 45-day Review ends 6/20/19

341 CES/CEIE
39 – 78th Street North
Malmstrom AFB, Montana

Rhonda Payne
OP2303-10
TRD2303-10
Roseburg Forest Products Particleboard Plant EPA's 45-day Review ends June 17, 2019 Section 8, Township 13 North, Range 19 West, Missoula County, Montana Craig Henrikson
OP2741-08
TRD2741-08

WBI Energy Transmission, Inc. – Little Beaver Compressor Station

Natural Gas Processing Facility Public Comment Period Ends May 23, 2019 NE¼ of Section 19, Township 4 North, Range 62 East, in Fallon County, Montana John P. Proulx
OP2803-06
TRD2803-06
WBI Energy Inc. – Fort Peck Compressor Station Natural Gas Processing Facility Public Comment Period Ends May 23, 2019

SW¼ of the SE¼ of Section 28, Township 27 North, Range 41 East, Valley County, Montana

John P. Proulx
OP2822-08
TRD2822-08
WBI Energy Inc. - Saco Compressor Station Natural Gas Compressor Station Public Comment Period Ends May 23, 2019 NE¼ of the SW¼ of Section 13, Township 31 North, Range 34 East, in Valley County, Montana John P. Proulx
OP2005-10
TRD2005-10
Ash Grove Montana City Portland Cement Plant EPA's 45-day Review ends May 30, 2019 Section 12, Township 9 North, Range 3 West, in Jefferson County, Montana Craig Henrikson
OP1427-13
TRD1427-13
Malmstrom Air Force Base United States Air Force Base – 341st MW of the Air Force Global Strike Command Public Comment Period Ends May 3, 2019

341 CES/CEIE, 39 – 78th Street North, Malmstrom AFB, MT

Rhonda Payne
OP0982-06
TRD0982-06
GCC Three Forks, Inc. Portland Cement Manufacturing Facility Public Comment Period Ends April 24, 2019 NE ¼ Section 9, SE ¼ Section 4, SW ¼ Section 3, NW ¼ Section 10, Township 2 North, Range 2 East, Gallatin County, Montana John P. Proulx
OP2303-10
TRD2303-10
Roseburg Forest Products Particleboard Plant Public Comment Period Ends April 18, 2019 Section 8, Township 13 North, Range 19 West, Missoula 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
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