CAA Permits Issued by EPA in Region 8
EPA's Mountains and Plains region – Region 8 – implements CAA permitting programs for 27 Tribal Nations in Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming, with the exception of Title V Operating Permits on the Southern Ute Indian Reservation
The CAA permits that have been issued and are being implemented by Region 8 are listed below, alphabetically by owner/operator name for each permit type.
On this page:
- PSD Permits
- Nonattainment NSR Permits
- Minor NSR Permits
- Minor NSR General Permits
- Minor NSR Permits by Rule
- Minor NSR Federal Implementation Plans
- Part 71 Title V Operating Permits
The following links may exit the site Exit
IMPORTANT NOTES: *When viewing final documents in the dockets on regulations.gov that are electronically signed, to view the valid signature, you may need to select "Enable Editing." Warning that if you actually edit the signed document, the signature will become invalid in your downloaded copy of the document. **If the provided docket link directs you to the beta version of the Regulations.gov site, to access the docket, use the search box and enter the docket number for the permit action. For assistance in accessing the docket, the eRulemaking Help Desk will be available during normal working hours at 1-877-378-5457 (toll free).
Last Updated January 5 , 2020
| Operator Name - Facility Name | Location | Type | Date Issued | Related Documents |
|---|---|---|---|---|
| BP America Production Company - Treating Site #1 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | June 9, 1999 | Permit and Statement of Basis |
| BP America Production Company - Treating Site #2 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | June 9, 1999 | Permit and Statement of Basis |
| BP America Production Company - Treating Site #4 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | June 9, 1999 | Permit and Statement of Basis |
| BP America Production Company - Treating Site #6 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | June 9, 1999 | Permit and Statement of Basis |
| BP America Production Company - Treating Site #7 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | June 9, 1999 | Permit and Statement of Basis |
| Cheyenne Light Fuel and Power/Black Hills Power, Inc. - Cheyenne Prairie Generating Station | Laramie County, Wyoming | GHG PSD | September 27, 2012 | Permit & Related Documents |
| Deseret Generation and Transmission Cooperative - Boiler #1 | Uintah and Ouray Indian Reservation, Uintah County, Utah | PSD | February 2, 2001 | Permit & Fact Sheet |
| Deseret Generation and Transmission Cooperative - WCFU | Uintah and Ouray Indian Reservation, Uintah County, Utah | PSD | August 30, 2007 (appealed and remanded) |
Please contact Claudia Smith (smith.claudia@epa.gov) 303-312-6520 |
| Sinclair Wyoming Refining Company - Sinclair Refinery | Sinclair, Wyoming | GHG PSD | March 21, 2013 | Permit & Related Documents |
| Sioux Manufacturing Company - Kevlar Coating Facility | Spirit Lake Indian Reservation, Benson County, North Dakota | PSD | May 3, 2006 | Permit & Statement of Basis |
| Solvay Soda Ash Joint Venture - Green River Soda Ash Plant | Green River, Wyoming | GHG PSD | January 27, 2014 | Permit & Related Documents |
| Williams Field Services - Ignacio Gas Plant | Southern Ute Indian Reservation, La Plata County, Colorado | PSD | December 22, 2010 | Permit & Related Documents |
| Williams Field Services - PLA-9 Central Delivery Point | La Plata County, Colorado | PSD | January 4, 2007 | Permit & Statement of Basis |
| Operator Name - Facility Name | Location | Type | Date Issued | Related Documents |
|---|---|---|---|---|
| None at this time |
| Operator Name - Facility Name | Location | Type | Date Issued | Related Documents |
|---|---|---|---|---|
| American Gilsonite Company - Cottonwood Mine Site | Uintah and Ouray Indian Reservation, Uintah County, Utah | Minor Modification | November 3, 2020 | Permit & Administrative Record |
| Anadarko Uintah Midstream, LLC - Antelope Flats & Sand Wash Compressor Stations with South Central Tank Battery | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor (Administrative Revision) |
January 14, 2020 | Docket #EPA-R08-OAR-2019-0227 Previous Permit (September 5, 2017) Permit & Administrative Record |
| Anadarko Uintah Midstream, LLC - Archie Bench Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor (Administrative Revision) |
November 14, 2019 |
Docket #EPA-R08-OAR-2019-0029 Previous Permit (June 7, 2018) Docket #EPA-R08-OAR-2018-0310 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
| Anadarko Uintah Midstream, LLC - Blue Feather Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 16, 2019 | Docket #EPA-R08-OAR-2018-0312 |
| Anadarko Uintah Midstream, LLC - Bonanza West Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | July 29, 2019 | Docket #EPA-R08-OAR-2018-0313 |
| Anadarko Uintah Midstream, LLC - Bitter Creek Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor |
June 7, 2018 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
Docket #EPA-R08-OAR-2018-0311 |
| Caerus Uintah, LLC (formerly Anadarko Uintah Midstream, LLC) - Cottonwood Wash Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | April 3, 2017 | Permit & Administrative Record |
| Caerus Uintah, LLC (formerly Chipeta Processing, LLC) - Natural Buttes Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 29, 2020 | Docket #EPA-R08-OAR-2019-0407 |
| Anadarko Uintah Midstream, LLC - Diablo Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor (Administrative Revision) |
October 25, 2019 | Docket #EPA-R08-OAR-2019-0342 Previous Permit (May 2, 2019) Docket #EPA-R08-OAR-2018-0323 |
| Anadarko Uintah Midstream, LLC - East Bench Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor |
June 7, 2018 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
Docket #EPA-R08-OAR-2018-0324 |
| Anadarko Uintah Midstream, LLC - East Junior Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 4, 2019 | Docket #EPA-R08-OAR-2018-0325 |
| Anadarko Uintah Midstream, LLC - L-16 Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah |
Synthetic Minor (transfer of Consent Decree requirements) |
July 31, 2019 | Docket #EPA-R08-OAR-2018-0327 |
| Anadarko Uinta Midstream, LLC - Morgan State Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah |
Synthetic Minor (transfer of Consent Decree requirements) |
August 7, 2019 | Docket ID #EPA-R08-OAR-2018-0326 |
| Anadarko Uintah Midstream, LLC - North Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor |
June 7, 2018 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
Docket #EPA-R08-OAR-2018-0328 |
| Anadarko Uintah Midstream, LLC - North East Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor |
June 7, 2018 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
Docket #EPA-R08-OAR-2018-0329 |
| Anadarko Uintah Midstream, LLC - Ouray Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor (Administrative Revision) |
October 8, 2020 | Docket #EPA-R08-OAR-2020-0019 Previous Permit (September 10, 2019) Docket #EPA-R08-OAR-2018-0330 |
| Anadarko Uintah Midstream, LLC - Sage Grouse Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah |
Synthetic Minor |
November 20, 2019 |
Docket # EPA-R08-OAR-2019-0030 Previous Permit (June 7, 2018) Docket #EPA-R08-OAR-2018-0331 (Effective December 7, 2018 after EAB Denial of Petition for Review) |
| Anadarko Uintah Midstream, LLC - South Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 10, 2019 | Docket #EPA-R08-OAR-2018-0332 |
| Anadarko Uintah Midstream, LLC - South East Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | August 29, 2019 | Docket #EPA-R08-OAR-2018-0333 |
| Anadarko Uintah Midstream, LLC - Willow Creek Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 16, 2019 | Docket #EPA-R08-OAR-2018-0334 |
| Anadarko Uintah Midstream, LLC - White River Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | November 14, 2017 | Permit & Administrative Record |
| Arrow Pipeline, LLC - Stations #1-6 | Fort Berthold Indian Reservation, McKenzie and Dunn Counties, North Dakota | Synthetic Minor | August 27, 2020 (Administrative Revision) | Docket #EPA-R08-OAR-2019-0003 Previous Permit (May 25, 2017) Permit & Administrative Record |
| Arrow Pipeline, LLC - Station #7 | Fort Berthold Indian Reservation, McKenzie and Dunn Counties, North Dakota | Synthetic Minor | January 10, 2018 (Administrative Revision) | Permit & Administrative Record |
| Berry Petroleum Company (Formerly LINN Operating, Inc.) - Section 22 Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | January 25, 2018 (Administrative Revision) | Permit & Administrative Record |
| Berry Petroleum Company (Formerly LINN Operating, Inc.) - Section 23 Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | January 25, 2018 (Administrative Revision) | Permit & Administrative Record |
| BioUrja New Town Terminal, LLC - New Town Transfer Facility | Fort Berthold Indian Reservation, Mountrail County, North Dakota | Synthetic Minor | July 7, 2017 (Administrative Revision) | Permit & Administrative Record |
| BP America Production Company - Miera Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | June 5, 2014 | Permit |
| BP America Production Company - Salvador I/II Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | December 4, 2014 | Permit |
| BP America Production Company - Salvador I/II Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | May 19, 2016 | Permit & Administrative Record |
| BP America Production Company - Treating Site #8 Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | May 27, 2014 | Permit |
| BP America Production Company - Wolf Point Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | June 5, 2014 | Permit |
| Catamount Energy Partners - Ignacio Gas Treating Plant | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | May 22, 2019 (Administrative Revision) |
Docket #EPA-R08-OAR-2019-013 |
| Chemtrade Logistics - Chemtrade Refinery Services, Inc. Riverton, Wyoming Facility | Wind River Indian Reservation, Fremont County, Wyoming | Synthetic Minor | August 27, 2015 | Permit & Administrative Record |
| CHS, Inc. - Farmers Elevator Macon Facility | Fort Peck Indian Reservation, Roosevelt County, Montana | True Minor | November 28, 2017 | Permit & Administrative Record |
| Hilcorp Energy Company - Argenta Compressor Station | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor (Administrative Revision) |
October 8, 2020 | Docket #EPA-R08-OAR-2019-0604 Previous Permit (April 11, 2014) |
| Hilcorp Energy Company - Sunnyside Compressor Station | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor (Administrative Revision) |
October 8, 2020 |
Docket #EPA-R08-OAR-2020-0525 Previous Permit (June 5, 2014) |
| Hilcorp Energy Company - Ute Compressor Station | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor (Administrative Revision) |
October 8, 2020 | Docket #EPA-R08-OAR-2019-0606 Previous Permit & Administrative Record (March 21, 2017 - Administrative Revision) |
| CH4-Finley Operating, LLC (formerly Crescent Point Energy U.S. Corporation) - Federal 10-22-6-20 | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | July 18, 2019 | Docket #EPA-R08-OAR-2018-0336 |
| CH4-Finley Operating, LLC (formerly Crescent Point Energy U.S. Corporation) - Ute Tribal 20-02 | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | August 21, 2019 | Docket #EPA-R08-OAR-2018-0335 |
| Crossfire Aggregate Services, LLC - Crossfire Bonds Gravel Pit | Southern Ute Indian Reservation, La Plata County, Colorado | True Minor | November 3, 2015 | Permit |
| Deseret Generation and Transmission Cooperative - Bonanza Power Plant | Uintah and Ouray Indian Reservation, Uintah County, Utah | Minor | February 11, 2016 (effective March 13, 2016) | Permit & Administrative Record |
| Dominion Energy Questar Pipeline, LLC - Fidlar Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | March 5, 2018 (Administrative Revision) | Permit & Administrative Record |
| KGH Operating Company - Bonanza State 20-15H Oil and Natural Gas Production Facility | Uintah and Ouray Indian Reservation, Uinta County, Utah | Synthetic Minor (Revision) | September 28, 2020 | Docket #EPA-R08-OAR-2020-0192 Previous (September 27, 2019) Permit Docket #EPA-R08-OAR-2018-0342 |
| KGH Operating Company - State 28-13 Oil and Natural Gas Production Facility | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 25, 2018 | Docket #EPA-R08-OAR-2018-0337 |
| Merit Energy Company - Steamboat Butte C1/C3 Tank Battery | Wind River Indian Reservation, Fremont County, Wyoming | Synthetic Minor | January 27, 2020 (Administrative Revision) |
Docket #EPA-R08-OAR-2018-0339 |
| Merit Energy Company - Steamboat Butte E5 Tank Battery | Wind River Indian Reservation, Fremont County, Wyoming | Synthetic Minor | October 2, 2020 (Revision) |
Docket #EPA-R08-OAR-2020-0307 Previous (December 21, 2018) Permit Docket #EPA-R08-OAR-2018-0340 |
| Monarch Natural Gas, LLC - Riverbend Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | September 15, 2020 | Docket #EPA-R08-OAR-2020-0089 |
| Montana Dakota Utilities Company - Poplar Oil Field Substation (with Emergency Backup Generator) | Fort Peck Indian Reservation, Roosevelt County, Montana | True Minor | October 6, 2020 | Permit Administrative Record |
| Northern Border Pipeline Company - Compressor Station #2 | Fort Peck Indian Reservation, Roosevelt County, Montana | Synthetic Minor | January 29, 2016 | Permit |
| Red Cedar Gathering Company - Arkansas Loop and Simpson Treating Plants | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | June 5, 2014 | Permit |
| Red Cedar Gathering Company - Arkansas Loop and Simpson Treating Plants | Southern Ute Indian Reservation, La Plata County, Colorado | Minor Modification of Existing Major Source | August 28, 2014 | Permit |
| Red Cedar Gathering Company - Arkansas Loop and Simpson Treating Plants | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | May 26, 2020 |
Docket #EPA-R08-OAR-2019-0133 Previous (November 16, 2018) Permit Docket #EPA-R08-OAR-2018-0341 |
| Red Cedar Gathering Company - Sambrito Compressor Station | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | June 5, 2014 | Permit |
| Red Cedar Gathering Company - South Ignacio Central Delivery Point | Southern Ute Indian Reservation, La Plata County, Colorado | Synthetic Minor | December 2, 2020 (Revision) |
Permit & Administrative Record Previous (February 14, 2017 Administrative Revision) Permit & Administrative Record |
| Table Rock Minerals, LLC - Gilsonite Mine | Uintah and Ouray Indian Reservation, Uintah County, Utah | True Minor | September 27, 2017 | Permit & Administrative Record |
| Tesoro Logistics-Rockies - Ponderosa Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor |
April 6, 2017 |
Permit & Administrative Record |
| Thunder Butte Petroleum Services, Inc. - Crude Storage and Loading Facility | Fort Berthold Indian Reservation, Ward County, North Dakota | Synthetic Minor | May 1, 2017 | Permit & Administrative Record |
| Van Hook Gathering Services, LLC - FBIR Compressor Station | Fort Berthold Indian Reservation, Mountrail County, North Dakota | Synthetic Minor | February 4, 2019 | Docket #EPA-R08-OAR-2018-0574 |
| XTO Energy, Inc. - RBU 11-18F Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | February 8, 2016 | Permit & Administrative Record |
| XTO Energy, Inc. - Wild Horse Bench Compressor Station | Uintah and Ouray Indian Reservation, Uintah County, Utah | Synthetic Minor | February 8, 2016 | Permit & Administrative Record |
| Sources in Region 8 Indian Country Approved for Coverage under General Permits |
|---|
| Hot Mix Asphalt Plants - None at this time |
| Stone Quarrying, Crushing, and Screening Facilities |
| Concrete Batch Plants |
| Boilers and Emergency Engines - None at this time |
| Stationary Spark Ignition Engines - None at this time |
| Stationary Compression Ignition Engines - None at this time |
| Graphic Arts and Printing Operations - None at this time |
| Sawmill Facilities - None at this time |
| Sources in Region 8 Indian Country Complying with Federal Implementation Plans |
|---|
| Oil and Natural Gas True Minor Sources |
| Operator Name - Facility Name | Location | Type | Date Permit Expires | Related Documents | |
|---|---|---|---|---|---|
| Anadarko Uintah Midstream, LLC - Antelope Flats/Sand Wash Compressor Stations & South Central Tank Battery | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | April 29, 2025 | Docket #EPA-R08-OAR-2018-0343 | |
| Andeavor Field Services, LLC - Chapita Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal | April 18, 2024 | Docket #EPA-R08-OAR-2018-0346 | |
| Andeavor Field Services, LLC - Coyote Wash Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal | June 12, 2025 | Docket #EPA-R08-OAR-2019-0196 | |
| Andeavor Field Services, LLC - Walker Hollow Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | July 12, 2023 | Docket #EPA-R08-OAR-2018-0347 | |
| Chipeta Processing, LLC - Chipeta Gas Plant | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal | April 1, 2016 (extended - renewal in process) | Permit | |
| Cobra Oil and Gas Corporation - Flat Rock Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | January 17, 2024 | Docket #EPA-R08-OAR-2018-0358 | |
| Cobra Oil and Gas Corporation - Wolf Flat Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit & Administrative Amendment | November 28, 2023 | Docket #EPA-R08-OAR-2018-0658 | |
| CR Group, LLC - Tekoi Landfill | Skull Valley Indian Reservation, Tooele County, Utah | First Renewal | December 14, 2021 | Permit & Administrative Record | |
| Deseret Generation and Transmission Cooperative - Bonanza Power Plant | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit & Administrative Amendment | January 7, 2020 (extended - renewal in process) | Permit & Administrative Record | |
| Dominion Energy Questar Pipeline, LLC - Fidlar Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Wyoming | Second Renewal | February 7, 2023 | Permit and Administrative Record | |
| EOG Resources, Incorporated - Clarks Creek Central Facility | Fort Berthold Indian Reservation, McKenzie County, North Dakota | Initial Permit | January 22, 2025 | Docket #EPA-R08-OAR-2019-0201 | |
| Merit Energy Company - Steamboat Butte C1/C3 Tank Battery | Wind River Indian Reservation, Fremont County, Wyoming | Initial Permit | March 26, 2025 | Docket #EPA-R08-OAR-2018-0363 | |
| MPLX (Owned by Andeavor Field Services, LLC) - Red Wash 24B Gas Plant | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal | May 13, 2025 | Docket #EPA-R08-OAR-2019-0198 | |
| MPLX (Owned by Andeavor Field Services, LLC) - Wonsits Valley Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal |
September 16, 2025 |
Docket #EPA-R08-OAR-2018-0349 | |
| Northern Border Pipeline Company - Compressor Station #2 | Fort Peck Indian Reservation, Roosevelt County, Montana | Second Renewal | July 24, 2025 | Docket #EPA-R08-OAR-2019-0554 | |
| QEP Field Services - Chapita Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | October 10, 2018 (extended - renewal in process) | Permit | |
| Sioux Manufacturing Corporation - Kevlar Coating Facility | Spirit Lake Indian Reservation, Benson County, North Dakota | Initial Permit | August 29, 2015 (extended - renewal in process) | Permit | |
| Targa Badlands, LLC - Blue Buttes Compressor Station and Pump Station | Fort Berthold Indian Reservation, McKenzie County, North Dakota | Initial Permit | January 22, 2025 | Docket #EPA-R08-OAR-2018-0816 | |
| Targa Badlands, LLC - Clarks Creek Compressor Station | Fort Berthold Indian Reservation, McKenzie County, North Dakota | Initial Permit | November 4, 2024 | Docket #EPA-R08-OAR-2019-0132 | |
| Targa Badlands, LLC - Johnson Compressor Station | Fort Berthold Indian Reservation, Dunn County, North Dakota | Initial Permit | December 17, 2023 | Docket ID #EPA-R08-OAR-2018-0379 | |
| Targa Badlands, LLC - Junction Compressor Station | Fort Berthold Indian Reservation, McKenzie County, North Dakota | Initial Permit | December 30, 2024 | Docket #EPA-R08-OAR-2018-0380 | |
| Targa Badlands, LLC - TAT Blue Buttes Compressor Station | Fort Berthold Indian Reservation, McKenzie County, North Dakota | Initial Permit | May 21, 2025 | Docket #EPA-R08-OAR-2019-0261 | |
| WBI Energy Transmission, Inc. - Hardin Compressor Station | Crow Indian Reservation, Big Horn County, Montana | Second Renewal | September 30, 2022 | Permit & Administrative Record | |
| Wexpro Company - Island Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | First Renewal | May 23, 2025 | Docket #EPA-R08-OAR-2019-0197 | |
| XTO Energy, Inc. - Little Canyon Unit Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | August 31, 2022 | Permit & Administrative Record | |
| XTO Energy, Inc. - River Bend Dehydration Site | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | September 22, 2022 | Permit & Administrative Record | |
| XTO Energy, Inc. - Tap 5 Compressor Station | Uintah & Ouray Indian Reservation, Uintah County, Utah | Initial Permit | September 22, 2022 | Permit & Administrative Record |