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Final Air Quality Permits, 2010 - present | Final Air Quality Permits, 2009 & previous  

Air Quality Permits and Environmental Assessments
Public Comment and/or Appeal Periods
OP signifies Title V Operating Permit
All others are preconstruction permits
Permit Number
Facility/Permit
Facility Description/Source
Time Frame

Site Location

DEQ Contact
OP0513 Proposed Conditions for MATS PPL Montana LLC - Colstrip Steam Electric Station Coal-fired Power Plant Public Comment Period Ends January 2, 2015 Section 34, Township 2 North, Range 41 East, in Rosebud County Ed Warner
OP2459-07
TRD2459-07
Stillwater Mining Company Underground Precious Metals Mine Appeal Period Ends January 16, 2015 N Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East in Stillwater County, Montana. Ed Warner
0691-02 Montana-Dakota Utilities Co.- Lewis & Clark Station Tangential coal-fired boiler Public Comment Period Ends December 31, 2014 SW 1/4 of Section 9, Township 22 N, Range 59 E in Richland County Deanne Fischer

OP2035-03

TRD2035-03

Colstrip Electric Limited Partnership Coal-Fired Electric Generating Facility Appeal Period Ends January 15, 2015 NE ¼ of Section 32, Township 3 North, Range 41 East in Rosebud County Ed Warner
2619-32 Phillips 66 Company Billings Petroleum Refinery Public Comment Period Ends December 31, 2014 NW¼ of Section 2, Township 1 South, Range 26 East, in Yellowstone County. Shawn Juers
1821-34 CHS, Inc. Laurel Petroleum Refinery Public Comment Period Ends December 31, 2014 South ½ of Section 16, Township 2 South, Range 24 East, in Yellowstone County Shawn Juers
5108-00 Fodge Pulp Inc. Portable Wood Chipper Public Comment Period Ends December 29, 2014 Various Locations Throughout Montana Craig Henrikson
5105-00 Riverside Contracting, Inc. Portable Crushing and Screening Operation Public Comment Period Ends December 29, 2014 Various Locations Throughout Montana Rhonda Payne

OP1564-10

TRD1564-10

Exxon Mobil Corporation Billings Petroleum Refinery Appeal Period Ends January 8, 2015 South ½ Section 24, North ½ Section 25, Township 1 North, Range 26 East in Yellowstone County Shawn Juers
4693-02 Hiland Partners, LP - Hebron Compressor Station Natural Gas Compressor Station Public Comment Period Ends January 2, 2015 NE¼ NW¼ of Section 18, Township 27 North, Range 59 East, Roosevelt County Deanne Fischer

OP2945-08

TRD2945-08

Phillips 66 Company - Bozeman Product Terminal Bulk Petroleum Products Terminal EPA's 45-day Review Ends January 15, 2015 NW¼ of Section 6, Township 2 South, Range 6 East, in Gallatin County Deanne Fischer
5106-00 (Application) Otter Creek Coal, LLC Surface Coal Mine Received November 6, 2014 Sections 3, 4, 9, 10, 11, 12, 13, 14, 15, 16, 21, 22, 23,
24, 25, 26; Township 4 South, Range 45 East, Powder River County
Ed Warner

OP2945-08

TRD2945-08

Phillips 66 Company – Bozeman Product Terminal Bulk Petroleum Products Terminal Public Comment Period Ends 11/28/2014 Northwest ¼ of Section 6, Township 2 South, Range 6 East, Gallatin County Deanne Fischer

OP1564-10

TRD1564-10

Exxon Mobil Corporation Billings Petroleum Refinery EPA's 45-day Review ends December 8, 2014 South ½ Section 24, North ½ Section 25, Township 1 North, Range 26 East in Yellowstone County Shawn Juers

OP2035-03

TRD2035-03

Colstrip Energy Limited Partnership Coal-Fired Electric Generating Station EPA's 45-day Review ends December 8, 2014 NE ¼ of Section 32, Township 3 North, Range 41 East in Rosebud County Doug Kuenzli

OP2459-07

TRD2459-07

Stillwater Mining Company Underground Precious Metals Mine EPA's 45-day Review ends December 8, 2014 Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East in Stillwater County, Montana. Doug Kuenzli

OP2035-03

TRD2035-03

Colstrip Energy Limited Partnership Coal-Fired Electric Generating Facility Public Comment Period Ends October 16, 2014 NE ¼ of Section 32, Township 3 North, Range 41 East in Rosebud County Doug Kuenzli

OP2459-07

TRD2459-07

Stillwater Mining Company Underground Precious Metals Mine and Mill Public Comment Period Ends October 16, 2014 Sections 1, 2, 10, 11, 15, 16, 21, and 23, Township 5 South, Range 15 East, Stillwater County, Montana Shawn Juers

OP1564-10

TRD1564-10

Exxon Mobil Corporation Billings Petroleum Refinery Public Comment Period Ends October 15, 2014 South ½, Section 24, and North ½ Section 25, Township 1 North, Range 26 East, Yellowstone County Shawn Juers
1570-07 Western Energy Company Surface Coal Mine and Extraction Facility Public Comment Period Ends August 6, 2013 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. Sections 3-6, Township 1 North, Range 40 East in Rosebud County, Sections 19, 20, and 27-34 in Township 2 North, Range 40 East in Rosebud County, and Sections 12-14 and 23-25, Township 2 North, Range 39 East in Treasure County Doug Kuenzli
3788-00 Mines Management, Inc. Underground Silver and Copper Mine Public Comment Period Ends 10/07/2011 The mine covers portions of Sections 23, 24, 25, 26, 35 and 36 in T28N, R31W, and Sections 2, 11, 14, and 15 in T27N, R31W in Lincoln County, MT. The Libby Creek plant site is located in Sections 2 and 11 T27N, R31W Julie Merkel
  Mines Management, Inc. The operation of a 20,000 ton-per-day (7,000,000 tons-per-year) underground silver and copper mine and processing facility known as the Montanore Mine. Public comment period ends 9/14/06 The Montanore Mine is located 15 miles south-southwest of the city of Libby Montana.  The mine covers portions of Sections 13, 14, 15, 23, 24, 26, and 35 in Township 28 North, Range 31 West, and Sections 1, 2, 3, 6, 11, 14, and 15 in Township 27 North, Range 31 West, in Lincoln County, Montana.  The Ramsey Creek plant site is located in Section 9, Township 27 North, Range 31 West. Julie Merkel