Clean Air Act Permit Actions in EPA's Pacific Southwest (Region 9)
EPA’s Pacific Southwest (Region 9) implements and enforces federal environmental laws in Arizona, California, Hawaii, Nevada, the Pacific Islands, and 148 Tribal Nations.
On this page:
EPA is the Clean Air Act permitting authority in those areas that do not have an EPA-approved or delegated program. In Region 9, this includes most Tribal lands and some non-tribal lands.
- Learn More: About NSR Permitting in Region 9
- About PSD Permitting in Region 9
- About Title V Permitting in Region 9
The tables below include pending and final permitting actions issued by EPA since 2006. For more information, please contact us at R9AirPermits@epa.gov.
Pending Region 9 Permit Actions
This table has a scrollbar beneath for use on narrower screens.
| Source Name | Source Type |
Action Type |
Docket | City or County |
State | Tribe | Contact |
|---|---|---|---|---|---|---|---|
| McElmo Creek Unit, Area 4 Tank Battery | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2024-0632 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| Ratherford Water Injection Plant Mud Plant | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2024-0633 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| NNOGC Jenny 36 #1 | Oil and Gas |
NSR: New Minor Source, |
EPA-R09-OAR- 2022-0824 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| NNOGC Blue Hogan West I #1 | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2022-0825 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| Lupton Facility | Oil and Gas | NSR: Synthetic Minor Limit(s) |
EPA-R09-OAR- 2023-0411 |
Lupton | AZ | Navajo Nation | Po-Chieh Ting ting.pochieh@epa.gov |
| Cache Creek Casino Resort | Casino/Engines | Title V: Initial | EPA-R09-OAR- 2021-0864 |
Brooks | CA | Yocha Dehe Wintun Nation |
Noelle Mushro mushro.noelle@epa.gov |
| Tule River Eagle Mountain Casino | Casino | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2022-0778 |
Tulare County |
CA | Tule River Tribe | Nidia Trejo trejo.nidia@epa.gov |
| Colorado Sand and Rock - Ehrenberg | Crusher and Concrete Batch Plant |
NSR: Synthetic Minor | EPA-R09-OAR- 2023-0086 |
Ehrenberg | AZ | Colorado River Indian Tribes |
Christa Leska leska.christa@epa.gov |
| South Point Energy Center | Power Plant | Title V: Renewal | EPA-R09-OAR- 2023-0196 |
Mohave Valley |
AZ | Fort Mojave Indian Tribe of Arizona, California & Nevada |
Catherine Valladolid valladolid.catherine@epa.gov |
| Mobil Oil Saipan Terminal | Refinery | Title V: Renewal | EPA-R09-OAR- 2023-0363 |
Saipan | MP | N/A | Noelle Mushro mushro.noelle@epa.gov |
| NNOGC Big Boy 22 #1 | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2023-0373 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| NNOGC Desert Creek Wash 34 #1 | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2023-0374 |
San Juan County |
UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| EPNG Window Rock Compressor Station | Compressor Station | PSD/NSR: Non-Major Modification |
EPA-R09-OAR- 2023-0611 |
St. Michaels | AZ | Navajo Nation | Manny Aquitania aquitania.manny@epa.gov |
| NTEC Energy Generation Plant | Power Plant | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2024-0028 |
San Juan County |
NM | Navajo Nation | Tina Su su.tingzhi@epa.gov |
| Joshua Tree 96 Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0257 |
Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
Shruti Sarkar sarkar.shruti@epa.gov |
| Tortoise Rock Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0259 |
Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
Manny Aquitania aquitania.manny@epa.gov |
| Table Mountain Rancheria Gas Station | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0416 |
Friant | CA | Table Mountain Rancheria |
Manny Aquitania aquitania.manny@epa.gov |
| Ratherford Unit Tank Battery 2 | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2024-0450 |
San Juan | UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| Agua Caliente Tribal Corporation Gasoline Dispensing Facility | Gas Station | NSR: Minor Modification, Minor Source |
EPA-R09-OAR- 2024-0455 |
Rancho Mirage |
CA | Agua Caliente Band of Cahuilla Indians |
Po-Chieh Ting ting.pochieh@epa.gov |
| Ratherford Unit Tank Battery 1 | Oil and Gas | NSR: New Minor Source, Part 2 FIP Registration |
EPA-R09-OAR- 2024-0522 |
San Juan | UT | Navajo Nation | Christa Leska leska.christa@epa.gov |
| Hard Rock Hotel & Casino Tejon | Casino | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2024-0524 |
Kern County |
CA | Tejon Indian Tribe | Catherine Valladolid valladolid.catherine@epa.gov |
| Big Valley Fuel & Market | Gas Station | General Permit Request for Coverage |
EPA-R09-OAR- 2024-0547 |
Lakeport | CA | Big Valley Band of Pomo Indians |
Christa Leska leska.christa@epa.gov |
| San Juan Lateral WTP Rock Crusher | Stone Quarrying, Crushing, and Screening Facility |
NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0555 |
San Juan County |
NM | Navajo Nation | Noelle Mushro mushro.noelle@epa.gov |
| Pauma Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2025-0082 |
Pauma Valley | CA | Pauma Band of Luiseno Mission Indians of the Pauma & Yuima Reservation |
Nick Daddow daddow.nick@epa.gov |
| Salt River Landfill | Landfill | Title V: Administrative | EPA-R09-OAR- 2025-0123 |
Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
La Weeda Jones jones.laweeda@epa.gov |
| Salt River Landfill | Landfill | Title V: Renewal | EPA-R09-OAR- 2025-0134 |
Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
La Weeda Jones jones.laweeda@epa.gov |
| Agua Caliente Fuel Cathedral City | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2025-0193 |
Cathedral City | CA | Agua Caliente Band of Cahuilla Indians |
Tina Su su.tingzhi@epa.gov |
| Pala Super Mart | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2025-0231 |
Pala | CA | Pala Band of Mission Indians | La Weeda Jones jones.laweeda@epa.gov |
Completed Region 9 Permit Actions
This table has a scrollbar beneath for use on narrower screens.
| Source Name |
Source Type |
Action Type |
Docket | Final Action Date YYYY/MM/DD |
Status | City or County |
State | Tribe | Related Documents |
|---|---|---|---|---|---|---|---|---|---|
| Ehrenberg Quarry | Stone Quarrying, Crushing, and Screening Facility |
General Permit Request for Coverage |
EPA-R09-OAR- 2024-0013 |
2024/05/28 | Withdrawn | La Paz County | AZ | Colorado River Indian Tribes |
N/A |
| Mechoopda Casino | Casino/Engine | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2023-0236 |
2023/12/05 | Withdrawn | Butte County | CA | Mechoopda Indian Tribe of Chico Rancheria |
N/A |
| Lupton Facility | Oil and Gas Production | NSR: Synthetic Minor Limit(s) |
EPA-R09-OAR- 2022-0898 |
2023/08/02 | Withdrawn | Lupton | AZ | Navajo Nation | N/A |
| CRIT Auto Shop | Soil Vapor Extraction and Air Sparging |
NSR: New Minor Source | EPA-R09-OAR- 2022-0934 |
2023/06/26 | Issued | Parker | AZ | Colorado River Indian Tribes |
N/A |
| NNOGC Jenny 36 #1 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2022-0824 |
2022/11/22 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| NNOGC Blue Hogan West I #1 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2022-0825 |
2022/11/22 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| NNOGC Big Boy 22 #1 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2022-0826 |
2022/11/22 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Cache Creek Casino Resort | Casino/Engines | NSR: Minor Modification, Minor Source |
EPA-R09-OAR- 2021-0607 |
2022/11/14 | Issued | Brooks | CA | Yocha Dehe Wintun Nation |
Modeling Files: Cache Creek Casino Resort (zip) |
| Coachella Crossroads Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0578 |
2022/10/05 | Approved | Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
N/A |
| FNF Construction Inc. Window Rock | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0654 |
2022/10/03 | Approved | Apache County | AZ | Navajo Nation | N/A |
| Roadrunner Express (formerly Soboba Economic Development Corporation) | Gas Station | NSR: Administrative NSR General Permit Request for Coverage |
EPA-R09-OAR- 2022-0288 |
2022/05/31 | Approved | San Jacinto | CA | Soboba Band of Luiseno Indians |
N/A |
| Spotlight 29 Casino | Casino/Engines | NSR: New Minor Source | EPA-R09-OAR- 2021-0559 |
2022/02/08 | Issued | Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
AERSCREEN: Spotlight 29 Casino (zip) |
| AltAir Paramount LLC | Conversion of Oil Refinery to Renewable Fuels Facility |
NSR: Applicability Determination |
EPA-R09-OAR- 2021-0629 |
2021/11/03 | PSD Not Applicable | Paramount | CA | N/A | N/A |
| Graton Resort and Casino | Casino/Engines | NSR: New Minor Source | EPA-R09-OAR- 2021-0268 |
2021/10/19 | Issued | Rohnert Park | CA | Federated Indians of Graton Rancheria |
AERSCREEN: Graton Resort and Casino (zip) |
| Morongo Travel Center | Gas Station | NSR: Administrative | EPA-R09-OAR- 2022-0267 |
2022/03/28 | Issued | Cabazon | CA | Morongo Band of Mission Indians |
N/A |
| Morongo Travel Center | Gas Station | NSR: New Minor Source | EPA-R09-OAR- 2021-0043 |
2021/09/21 | Issued | Cabazon | CA | Morongo Band of Mission Indians |
N/A |
| Lehigh Southwest Cement Company - Redding Cement Plant | Portland Cement Manufacturing Facility |
PSD: Administrative | EPA-R09-OAR- 2021-0398 |
2021/07/28 | Issued | Redding | CA | N/A | N/A |
| Navajo Engineering and Construction Authority | Hot Mix Asphalt Plants | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2021-0046 |
2021/04/13 | Approved | Apache County | AZ | Navajo Nation | N/A |
| Red Hawk Casino | Casino/Engines | NSR: Administrative | EPA-R09-OAR- 2020-0584 |
2021/02/12 | Issued | Placerville | CA | Shingle Springs Band of Miwok Indians |
N/A |
| San Manuel Casino | Casino/Engines | NSR: Administrative | EPA-R09-OAR- 2020-0551 |
2021/01/12 | Issued | Highland | CA | San Manuel Band of Mission Indians |
N/A |
| Tri-Cities Landfill | Landfill | Title V: Permit Termination |
EPA-R09-OAR- 2020-0526 |
2020/10/09 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Desert View Power | Biomass Power Plant | Title V: Renewal | EPA-R09-OAR- 2020-0266 |
2020/09/30 | Issued | Mecca | CA | Cabazon Band of Mission Indians |
N/A |
| Salt River Landfill | Landfill | Title V: Renewal | EPA-R09-OAR- 2020-0373 |
2020/09/21 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| FNF Construction, Inc - Window Rock Airport | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2020-0366 |
2020/09/17 | Approved | Window Rock | AZ | Navajo Nation | N/A |
| Chaparral Commerce Center | Office Building/ Emergency Engine |
NSR: Administrative | EPA-R09-OAR- 2020-0367 |
2020/09/08 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| San Manuel Casino | Casino/Engines | NSR: Minor Modification, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2020-0217 |
2020/09/08 | Issued | Highland | CA | San Manuel Band of Mission Indians |
N/A |
| Soboba Economic Development Corporation | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2020-0249 |
2020/06/25 | Approved | San Jacinto | CA | Soboba Band of Luiseno Indians |
N/A |
| Collins Pine Company | Cogeneration Facility with Sawmill |
PSD: Non-Major Modification |
N/A | 2020/06/25 | Withdrawn | Chester | CA | N/A | N/A |
| Elk Petroleum – McElmo Creek Unit | Oil and Gas Production | PSD/NSR: Minor Modification, Major Source |
EPA-R09-OAR- 2019-0409 |
2020/06/08 | Issued | San Juan County |
UT | Navajo Nation | N/A |
| White Mountain Apache Timber Company | Sawmill Facilities | NSR: New Minor Source |
EPA-R09-OAR- 2019-0455 |
2020/06/04 | Issued | Whiteriver | AZ | White Mountain Apache Tribe of the Fort Apache Reservation |
N/A |
| Navajo Generating Station | Coal-Fired Power Plant | Acid Rain - Permit Termination |
EPA-R09-OAR- 2022-0098 |
2020/05/06 | Terminated | Page | AZ | Navajo Nation | N/A |
| Morongo Casino Cogeneration Facility | Casino/Engines | Title V: Permit Termination |
EPA-R09-OAR- 2019-0533 |
2020/04/06 | Terminated | Cabazon | CA | Morongo Band of Mission Indians |
N/A |
| Morongo Casino Cogeneration Facility | Casino/Engines | NSR: Synthetic Minor Limit(s) |
EPA-R09-OAR- 2019-0533 |
2020/04/06 | Issued | Cabazon | CA | Morongo Band of Mission Indians |
N/A |
| Palmdale Energy Project | Power Plant | PSD: Permit Termination |
EPA-R09-OAR- 2020-0130 |
2020/03/02 | Rescinded | Palmdale | CA | N/A | N/A |
| San Manuel Casino | Casino/Engines | NSR: Administrative | EPA-R09-OAR- 2019-0719 |
2020/02/27 | Issued | Highland | CA | San Manuel Band of Mission Indians |
N/A |
| Oscar Renda Contracting | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2019-0598 |
2019/12/30 | Approved | San Juan County |
NM | Navajo Nation | N/A |
| Cyprus Tohono Corporation | Open Pit Mining and Leach | NSR: Minor Modification, Major Source |
EPA-R09-OAR- 2019-0053 |
2019/09/19 | Withdrawn | Casa Grande | AZ |
Tohono O'odham |
N/A |
| Cache Creek Casino Resort | Casino/Engines | NSR: Administrative | EPA-R09-OAR- 2019-0428 |
2019/09/10 | Issued | Brooks | CA | Yocha Dehe Wintun Nation |
N/A |
| Agua Caliente Tribal Corporation | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2019-0414 |
2019/09/10 | Approved | Palm Springs | CA | Agua Caliente Band of Cahuilla Indians |
N/A |
| San Manuel Casino | Casino/Engines | NSR: Minor Modification, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2019-0150 |
2019/08/02 | Issued | Highland | CA | San Manuel Band of Mission Indians |
Modeling Files: San Manuel Casino (zip) |
| Santa Rosa Pit Stop LLC | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2019-0181 |
2019/06/28 | Approved | Mountain Center | CA | Santa Rosa Band of Cahuilla Indians |
N/A |
| Sycuan Market | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2019-0151 |
2019/06/28 | Approved | El Cajon | CA | Sycuan Band of the Kumeyaay Nation |
N/A |
| Red Hawk Casino | Casino/Engines | NSR: Administrative | EPA-R09-OAR- 2019-0089 |
2019/04/18 | Issued | Placerville | CA | Shingle Springs Band of Miwok Indians |
N/A |
| Cache Creek Casino Resort | Casino/Engines | NSR: Minor Modification, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2018-0653 |
2019/04/12 | Issued | Brooks | CA | Yocha Dehe Wintun Nation |
N/A |
| Navajo Engineering and Construction Authority | Hot Mix Asphalt Plants | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2019-0001 |
2019/04/11 | Approved | Apache County | AZ | Navajo Nation | N/A |
| CEMEX - Higley Plant | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2018-0699 |
2018/12/26 | Approved | Mesa | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Mobil Oil Saipan Terminal | Refinery | Title V: Initial | EPA-R09-OAR- 2018-0695 |
2018/12/26 | Issued | Saipan | MP | N/A | N/A |
| NantEnergy Inc (formerly Fluidic Energy) | Battery Substrate Manufacturing |
NSR: New Minor Source | EPA-R09-OAR- 2018-0652 |
2018/11/14 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| South Point Energy Center | Power Plant | Title V: Renewal | EPA-R09-OAR- 2018-0541 |
2018/09/13 | Issued | Mohave Valley | AZ | Fort Mojave Indian Tribe of Arizona, California & Nevada |
N/A |
| Express Fuel | Gas Station | NSR: New Minor Source | EPA-R09-OAR- 2018-0385 |
2018/08/28 | Issued | Shingle Springs | CA | Shingle Springs Band of Miwok Indians |
N/A |
| Ft. Mojave Smoke Shop | Soil and Groundwater Remediation |
NSR: New Minor Source | EPA-R09-OAR- 2018-0394 |
2018/07/26 | Issued/ Terminated | Mohave Valley | AZ | Fort Mojave Indian Tribe of Arizona, California & Nevada |
N/A |
| NantEnergy Inc | Battery Substrate Manufacturing |
NSR: New Minor Source | N/A | 2018/07/03 | Withdrawn | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Bureau of Reclamation | Dredging | NSR: Administrative | N/A | 2018/06/28 | Withdrawn | Laguna Reservoir | CA | Quechan Tribe of the Fort Yuma Indian Reservation |
N/A |
| Yavapai Apache Sand and Rock | Hot Mix Asphalt Plants | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0093 |
2018/05/11 | Approved | Camp Verde | AZ | Yavapai-Apache Nation of the Camp Verde Indian Reservation |
N/A |
| Cache Creek Casino Resort | Casino/Engines | NSR: Synthetic Minor Limit(s) |
N/A | 2018/05/11 | Withdrawn | Brooks | CA | Yocha Dehe Wintun Nation |
N/A |
| Palmdale Energy Project | Power Plant | PSD: New Major Source | EPA-R09-OAR- 2017-0473 |
2018/04/25 | Issued/ Rescinded | Palmdale | CA | N/A | Administrative Record and Additional Information |
| FNF Construction, Inc - Window Rock Airport | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0118 |
2018/04/18 | Approved | Window Rock | AZ | Navajo Nation | N/A |
| Oscar Renda Contracting | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0095 |
2018/04/18 | Approved | San Juan County |
NM | Navajo Nation | N/A |
| APS Four Corners Steam Electric Plant | Power Plant | PSD/NSR: Administrative | EPA-R09-OAR- 2018-0137 |
2018/03/13 | Issued | Fruitland | NM | Navajo Nation | N/A |
| Chaparral Commerce Center | Office Building/ Emergency Engine |
NSR: New Minor Source | EPA-R09-OAR- 2017-0704 |
2018/02/02 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| APS Four Corners Steam Electric Plant | Power Plant | PSD/NSR: Administrative | EPA-R09-OAR- 2017-0676 |
2017/01/28 | Issued | Fruitland | NM | Navajo Nation | N/A |
| Collins Pine Company | Cogeneration Facility with Sawmill |
PSD: Non-Major Modification |
EPA-R09-OAR- 2016-0191 |
2017/10/04 | Issued | Chester | CA | N/A | N/A |
| Mobil Oil Guam Terminal | Refinery | Title V: Initial | EPA-R09-OAR- 2016-0216 |
2017/10/04 | Issued | Piti | GU | N/A | N/A |
| San Manuel Casino | Casino/Engines | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2017-0269 |
2017/09/25 | Issued | Highland | CA | San Manuel Band of Mission Indians |
N/A |
| Red Hawk Casino | Casino/Engines | NSR: Synthetic Minor Limit(s) |
EPA-R09-OAR- 2017-0272 |
2017/09/21 | Issued | Placerville | CA | Shingle Springs Band of Miwok Indians |
N/A |
| Mecca Resource Facility | Waste Management | NSR: Synthetic Minor Limit(s) |
N/A | 2017/08/30 | Withdrawn | Mecca | CA | Cabazon Band of Mission Indians |
N/A |
| ASARCO LLC Mission Complex - San Xavier | Mining | Title V: Renewal | EPA-R09-OAR- 2017-0252 |
2017/08/10 | Issued | Sahuarita | AZ | Tohono O'odham Nation of Arizona |
N/A |
| Running Horse Pipeline Montezuma Creek Station | Crude Oil Pipeline Pumping Station and Truck Loading Rack |
NSR: New Minor Source | N/A | 2017/05/26 | Withdrawn | Montezuma Creek | UT | Navajo Nation | N/A |
| Bureau of Reclamation | Dredging | NSR: New Minor Source | EPA-R09-OAR- 2017-0163 |
2017/05/22 | Issued/ Terminated | Laguna Reservoir | CA | Quechan Tribe of the Fort Yuma Indian Reservation |
N/A |
| FNF Construction, Inc | Concrete Batch Plant | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0119 |
2017/04/19 | Approved | Ganado | AZ | Navajo Nation | N/A |
| Tri-Cities Landfill Energy Facility | Power Plant | Title V: Permit Termination |
N/A | 2017/04/10 | Terminated | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| NantEnergy Inc | Battery Substrate Manufacturing |
NSR: New Minor Source | N/A | 2016/10/11 | Withdrawn | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Resolute Natural Resources Co. – McElmo Creek Unit | Oil and Gas Production | PSD/NSR: Minor Modification, Major Source |
EPA-R09-OAR- 2014-0785 |
2016/09/30 | Issued | Aneth | UT | Navajo Nation | N/A |
| Resolute Natural Resources Co. – McElmo Creek Unit | Oil and Gas Production | PSD/NSR: Minor Modification, Major Source |
EPA-R09-OAR- 2014-0785 |
2016/09/30 | Issued | Aneth | UT | Navajo Nation | N/A |
| Navajo Generating Station | Coal-Fired Power Plant | PSD: Non-Major Modification |
EPA-R09-OAR- 2016-0026 |
2016/04/20 | Issued | Page | AZ | Navajo Nation | N/A |
| Johns Manville | Fiberglass Insulation Manufacturing |
PSD: Administrative | EPA-R09-OAR- 2016-0440 |
2015/11/12 | Issued | Glenn County | CA | N/A | N/A |
| Fisher Sand & Gravel Pit - New Mexico, Inc. | Stone Quarrying, Crushing, and Screening Facility |
NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0120 |
2015/11/05 | Approved | Newcomb | NM | Navajo Nation | N/A |
| Navajo Generating Station | Coal-Fired Power Plant | PSD/NSR: Administrative | EPA-R09-OAR- 2016-0249 |
2015/08/26 | Issued | Page | AZ | Navajo Nation | N/A |
| Desert View Power | Biomass Power Plant | PSD/NSR: Administrative | EPA-R09-OAR- 2022-0117 |
2015/05/22 | Issued | Mecca | CA | Cabazon Band of Mission Indians |
Administrative Amendment |
| APS Four Corners Steam Electric Plant | Power Plant | PSD/NSR: Major Modification |
EPA-R09-OAR- 2014-0545 |
2014/12/18 | Issued | Fruitland | NM | Navajo Nation | N/A |
| Avenal Energy Project | Power Plant | PSD: Permit Termination |
EPA-R09-OAR- 2022-0122 |
2014/08/12 | Vacated/ Withdrawn | Kings County | CA | N/A | N/A |
| Sierra Pacific Industries-Anderson Division | Power Plant | PSD: Major Modification |
EPA-R09-OAR- 2012-0634 |
2014/04/25 | Issued | Anderson | CA | N/A | N/A |
| Sierra Pacific Industries – Anderson Division | Cogeneration Unit with Sawmill |
PSD: Major Modification |
EPA-R09-OAR- 2012-0634 |
2014/04/25 | Issued | Redding | CA | N/A | N/A |
| White Mountain Apache Timber Company | Sawmill Facilities | NSR: Synthetic Minor Limit(s) |
N/A | 2014/04/11 | Withdrawn | Whiteriver | AZ | White Mountain Apache Tribe of the Fort Apache Reservation |
N/A |
| Pio Pico Energy Center | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2011-0978 |
2014/02/28 | Issued | Otay Mesa | CA | N/A | N/A |
| Palmdale Hybrid Power Project | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2011-0560 |
2012/09/25 | Issued (Expired) | Palmdale | CA | N/A | EPA-R09-OAR-2017-0569 |
| Rio Bravo Jasmin | Cogeneration Facility | PSD: Non-Major Modification |
EPA-R09-OAR- 2011-1035 |
2012/05/15 | Issued | Bakersfield | CA | N/A | N/A |
| Rio Bravo Poso | Cogeneration Facility | PSD: Non-Major Modification |
EPA-R09-OAR- 2011-1034 |
2012/05/15 | Issued | Bakersfield | CA | N/A | N/A |
| Tule River Wastewater Treatment Plant | Emergency Engine | NSR: New Minor Source |
EPA-R09-OAR- 2017-0596 |
2017/12/12 | Issued | Porterville | CA | Tule River Tribe | N/A |
| Stockton CoGen Project | Cogeneration Facility | PSD: Non-Major Modification |
EPA-R09-OAR- 2011-0579 |
2011/09/16 | Issued | Stockton | CA | N/A | N/A |
| Colusa Generating Station | Power Plant | PSD: Administrative | EPA-R09-OAR- 2011-0311 |
2011/03/11 | Amended | Shasta County | CA | N/A | N/A |
| Knauf Insulation | Fiberglass Insulation Manufacturing |
PSD: Administrative | EPA-R09-OAR- 2010-1062 |
2010/12/13 | Issued | Shasta Lake | CA | N/A | N/A |
| Burney Mountain Power | Power Plant | PSD: Non-Major Modification |
EPA-R09-OAR- 2009-0966 |
2010/10/25 | Issued | Shasta County | CA | N/A | N/A |
| Sierra Pacific Industries Inc. | Cogeneration Unit with Sawmill |
PSD: Major Modification |
EPA-R09-OAR- 2010-0226 |
2010/08/30 | Issued | Loyalton | CA | N/A | N/A |
| Colusa Generating Station | Power Plant | PSD: Non-Major Modification |
EPA-R09-OAR- 2009-0697 |
2010/03/19 | Issued | Shasta County | CA | N/A | N/A |
| High Desert Power Project | Power Plant | PSD: Non-Major Modification |
EPA-R09-OAR- 2010-0129 |
2010/03/11 | Issued | Victorville | CA | N/A | N/A |
| Victorville 2 Hybrid Power Project | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2008-0406 |
2010/03/11 | Issued | Victorville | CA | N/A | EPA-R09-OAR-2008-0765 |
| Colusa Generating Station | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2008-0436 |
2008/09/29 | Issued | Shasta County | CA | N/A | N/A |
| Morro Bay Power Plant | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2007-0964 |
2008/09/25 | Issued | Morro Bay | CA | N/A | N/A |
| Desert Rock | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2007-1110 |
2008/07/31 | Issued | Shiprock | NM | Navajo Nation | N/A |
| Mount Lassen Power | Biomass Power Plant | PSD: Administrative | EPA-R09-OAR- 2007-0951 |
2007/09/10 | Issued | Westwood | CA | N/A | N/A |
| Knauf Insulation | Fiberglass Insulation Manufacturing |
PSD: Administrative | EPA-R09-OAR- 2007-0874 |
2007/05/07 | Issued | Shasta Lake | CA | N/A | N/A |
| Blythe Energy Project II | Power Plant | PSD: New Major Source |
EPA-R09-OAR- 2007-0723 |
2007/04/25 | Issued | Blythe | CA | N/A | N/A |
| Pimalco Inc. | Secondary Aluminum Production and Extrusion |
Title V: Renewal | EPA-R09-OAR- 2007-1114 |
2006/10/20 | Issued | Chandler | AZ | Gila River Indian Community of the Gila River Indian Reservation |
N/A |
| Guardian Industries Corp. | Glass Manufacturing Facility | PSD: Non-Major Modification |
EPA-R09-OAR- 2007-0869 |
2006/05/26 | Issued | Kingsburg | CA | N/A | N/A |
| Knauf Insulation | Fiberglass Insulation Manufacturing |
PSD: Administrative | EPA-R09-OAR- 2007-0873 |
2006/04/11 | Issued | Shasta Lake | CA | N/A | N/A |
| Elk Hills Power | Power Plant | PSD: Non-Major Modification |
EPA-R09-OAR- 2007-0868 |
2006/01/12 | Issued | Kern County | CA | N/A | N/A |
| General Air Quality Permit for New or Modified Minor Source Gasoline Dispensing Facilities in Indian Country Within California | Gasoline Dispensing Facilities |
NSR: General Permit Development |
EPA-R09-OAR- 2016-0580 |
2019/05/01 | Issued | Statewide | CA | Indian Country Within California |
More Information |
| Fann Contracting | Hot Mix Asphalt Plants | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2022-0220 |
2022/04/27 | Approved | Kayenta | AZ | Navajo Nation | N/A |
| Red Hawk Casino | Casino/Enginess | NSR: Minor Modification, Minor Source |
EPA-R09-OAR- 2022-0897 |
2023/03/29 | Issued | Placerville | CA | Shingle Springs Band of Miwok Indians |
AERSCREEN: Red Hawk Casino (zip) |
| Spotlight 29 Casino | Casino/Enginess | NSR: Minor Modification, Minor Source |
EPA-R09-OAR- 2022-0540 |
2023/03/29 | Issued | Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
AERSCREEN: Spotlight 29 Casino (zip) |
| Four Corners Power Plant | Emergency Engine | NSR: Administrative Amendment |
EPA-R09-OAR- 2022-0840 |
2023/03/31 | Issued | Fruitland | NM | Navajo Nation | N/A |
| NNOGC Desert Creek Wash 34 #1 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0091 |
2023/03/09 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Cave Bear Tire Recycling Plant | Rubber Tire Pyrolysis Rubber Recycling |
NSR: New Minor Source | EPA-R09-OAR- 2021-0757 |
2023/03/31 | Withdrawn | Thermal | CA | Torres Martinez Desert Cahuilla Indians |
N/A |
| Yaamava' Resort & Casino at San Manuel (formerly San Manuel Casino) | Casino/Cogeneration Unit, Engine |
NSR: Administrative | EPA-R09-OAR- 2023-0210 |
2023/09/11 | Issued | Highland | CA | San Manuel Band of Mission Indians |
N/A |
| Elk Petroleum – McElmo Creek Unit, Area 4 Tank Battery | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0285 |
2023/06/13 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Ratherford Water Injection Plant | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0415 |
2023/09/05 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Ratherford Unit Tank Battery 2 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0414 |
2023/09/05 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Ratherford Unit Tank Battery 1 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0413 |
2023/09/05 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Elk Petroleum, LLC; Aneth Unit Tank Battery 20 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0432 |
2023/09/12 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Elk Petroleum, LLC; Aneth Unit Tank Battery 26 | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2023-0433 |
2023/09/12 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| Twenty-Nine Palms Band of Mission Indians Power Generation Facility | Power Plant | NSR: New Minor Source, Synthetic Minor Limit(s) |
EPA-R09-OAR- 2021-0843 |
2023/09/26 | Issued | Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
File Modeling Files: Twenty-Nine Palms PGF (zip) |
| Oak Creek Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2023-0249 |
2024/03/06 | Approved | Independence | CA | Fort Independence Indian Reservation |
N/A |
| McElmo Creek Unit Area 2 Tank Battery | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2024-0020 |
2024/06/18 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| McElmo Creek Unit Area 6 Tank Battery | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2024-0022 |
2024/06/18 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| ASARCO Mission Mine - San Xavier | Mining | Title V: Renewal | EPA-R09-OAR- 2022-0298 |
2024/07/02 | Issued | Sahuarita | AZ | Tohono O'odham Nation of Arizona |
N/A |
| Chaparral Commerce Center | Emergency Engine | NSR: Administrative Amendment |
EPA-R09-OAR- 2022-0900 |
2024/09/06 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Chaparral Commerce Center - SCI LLC | Emergency Engine | NSR: New Minor Source | EPA-R09-OAR- 2022-0900 |
2024/09/06 | Issued | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Viejas Pit Stop | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0084 |
2024/09/18 | Approved | Alpine | CA | Viejas Band of Kumeyaay Indians |
N/A |
| McElmo Creek Unit Area 1 Tank Battery | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2024-0353 |
2024/10/03 | Approved | San Juan County |
UT | Navajo Nation | N/A |
| South Point Energy Center | Power Plant | PSD/NSR: Non-Major Modification |
EPA-R09-OAR- 2021-0526 |
2025/01/02 | Approved | Mohave Valley |
AZ | Fort Mojave Indian Tribe of Arizona |
N/A |
| Ehrenberg Quarry | Stone Quarrying, Crushing, and Screening Facility |
NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0476 |
2025/02/27 | Approved | La Paz County | AZ | Colorado River Indian Tribes |
N/A |
| Twenty-Nine Palms Band of Mission Indians Power Generation Facility | Power Plant | NSR: Administrative | EPA-R09-OAR- 2025-0122 |
2025/03/13 | Issued | Coachella | CA | Twenty-Nine Palms Band of Mission Indians of California |
N/A |
| Pima Rd Redevelopment Screening Hall | Stone Quarrying, Crushing, and Screening Facility |
NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0593 |
2024/12/19 | Withdrawn | Scottsdale | AZ | Salt River Pima-Maricopa Indian Community of the Salt River Reservation |
N/A |
| Yaamava' Resort & Casino at San Manuel | Casino/Cogeneration Unit, Engine |
NSR: Administrative | EPA-R09-OAR- 2024-0095 |
2025/03/05 | Issued | San Bernadino County |
CA | San Manuel Band of Mission Indians |
N/A |
| McElmo Creek Water Injection Plant | Oil and Gas | NSR: New Minor Source, Part 1 FIP Registration |
EPA-R09-OAR- 2025-0156 |
2025/04/01 | Withdrawn | San Juan County | UT | Navajo Nation | N/A |
| Agua Caliente Fuel Palm Springs | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0523 |
2025/04/08 | Approved | Palm Springs | CA | Agua Caliente Band of Cahuilla Indians |
N/A |
| Tejon Gas Station | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0628 |
2025/03/26 | Approved | Bakersfield | CA | Tejon Indian Tribe | |
| Cielo Travel Center | Gas Station | NSR: General Permit Request for Coverage |
EPA-R09-OAR- 2024-0258 |
2025/04/08 | Approved | Yucca Valley | CA | Twenty-Nine Palms Band of Mission Indians of California |
N/A |
Public Notice
-
Cielo Travel Center, Yucca Valley, CA; Approval of Request for Coverage under General Air Quality Permit
Public notice of approval of Request for Coverage under the General Air Quality Permit for New or Modified Minor Source Dispensing Facilities in Indian Country within California in Indian Country issued to Cielo Travel Center, Yucca Valley, CA.
- Geographic Locations: Southwest, California, Tribal Lands
-
Tejon Gas Station, Bakersfield, CA; Approval of Request for Coverage under the General Air Quality Permit for New or Modified Minor Gasoline Dispensing Facilities in Indian Country within California
Public notice of approval of Request for Coverage under the General Air Quality Permit for New or Modified Minor Source Dispensing Facilities in Indian Country within California in Indian Country issued to Tejon Gas Station, Bakersfield, CA.
- Geographic Locations: Southwest, California, Tribal Lands
-
Agua Caliente Fuel Palm Springs; Approval of Request for Coverage under General Air Quality Permit
Public notice of approval of Request for Coverage under the General Air Quality Permit for New or Modified Minor Source Dispensing Facilities in Indian Country within California in Indian Country issued to Agua Caliente Fuel Palm Springs.
- Geographic Locations: Southwest, California, Tribal Lands
-
Twenty-Nine Palms Band of Mission Indians Power Generation Facility; Approval of Administrative Amendment for Tribal Minor NSR Facility
Public Notice of Approval of an Administrative Amendment for a Tribal Minor NSR Facility: Twenty-Nine Palms Band of Mission Indians Power Generation Facility; Source ID #69; Application #2025-002-AA.
- Geographic Locations: Southwest, California, Tribal Lands
Region 9 CAA Permitting Focus
CAA Permitting in EPA's Pacific Southwest (Region 9)
Region 9 Resources
- Air Permit Delegation Agreements
- Construction Approvals: Radionuclides
- Electronic Permit Submittal System and Dashboards
- Title V Program Evaluations
- Tribes that are Affected States under the Title V Permitting Program in Region 9
State/Tribal/Local Permitting Authorities
AZ | CA | HI | NV
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