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  2. Permitting Under the Clean Air Act

Operating Permit Timeline for Texas

CompanyPermit NumberEnd of EPA 45 day ReviewPetition DeadlineComments
Luminant Generation Company Martin Lake Steam Electric StationO53Comments received on 04/09/15 Renewal - Comments received on 04/09/2015. EPA review suspended.
Shell Chemical LP Deer ParkO1668 Order Issued on 12/19/24Renewal - Comments Received on 07/20/2021. RTC and Proposed permit received for EPA review on 09/19/2022. EPA Objected on 11/02/22. Response to Objection and Proposed Permit received on 02/26/24. Petition Order issued on 12/19/2024.
TotalEnergies Petrochemicals & Refining USA Inc Port Arthur RefineryO126707/11/2509/10/25

Renewal - Response to Comments received - EPA Review Suspended 02/26/20. TCEQ to address EPA concerns and reissue the RTC. Proposed permit and RTC received on 03/13/2023.  EPA objected on 04/27/23.

Response to Objection and Proposed permit submitted to EPA for review on 05/27/25

Valero Refining Texas LP Valero Houston RefineryO1381 Order Issued on 01/07/25Proposed Permit and Response to Comments (RTC) on Renewal for EPA review. Petition Received 06/29/2021.  Petition Order issued 06/30/2022. TCEQ Response to Order received on 08/21/2023 along with a minor revision to the permit. Comments received on minor revision 09/20/23. Petition Received on 08/19/24. Order issued on 01/07/25
Intercontinental Terminals Company LLC - Deer Park TerminalO1061 Petition received on 03/25/25

Renewal - Comments received on 10/15/2019. Permit re-noticed on 08/30/22.  Comments received on re-noticed permit on 08/30/2022. 

Proposed permit and Response to Comments received on 12/09/2024.

Petition received on 03/25/25.

Valero Energy Partners LP Valero Partners HoustonO3784 Petition Received on 12/03/24Renewal - EPA review suspended due to comments received on the draft permit on June 17, 2022. Response to Comments and Proposed Permit received on 08/19/2024
Flint Hills Resources Ingleside LLC Ingleside TerminalO3454 Petition received on 07/10/24

Renewal - Public comments received, EPA review suspended on 01/26/2023. Proposed Permit and Response to Comments received for review on 03/25/2024. Petition received on 07/10/2024. 

Permit voided on 03/14/2025

Valero Refining Texas LP Valero Houston RefineryO1381 Petition Received on 08/19/24Minor Revision - Comments received on 09/20/23. Proposed permit and response to comments received on 05/06/24. Petition Received on 08/19/24.
Exxon Mobil Corporation - Baytown Chemical PlantO155309/12/2511/12/25Renewal - Hearing request from Senator Alvarado was received and granted. Comments received on 10/30/23. Hearing on 02/05/2024. Second Public Hearing on May 6, 2024. Proposed permit and Response to Comments received for EPA review on 07/28/25.
TPC Group LLC Houston PlantO159812/20/24Petitions received on 02/17/25Renewal -  Comments received on 11/03/23 suspending EPA Review. Hearing on 04/11/2024.  Proposed permit and RTC submitted to EPA for review on 11/04/2024. Two petitions received on 02/17/25
The Lubrizol Corporation Deer Park  Facility Acid 121 and Alcohol Recovery UnitsO1931 Petition received on 03/10/2025

Renewal - Comments received on 03/28/2024 suspending EPA review.

Proposed Permit and Response to Comments  received on11/25/2024

Petition received on 03/10/2025

NRG Texas Power LLC W A Parish Electric Generating Station O74Comments received on 08/08/24 

Renewal

TCEQ received public comments on 08/08/24 suspending EPA's review.

TCEQ to hold public meeting on 01/23/25

Chevron Phillips Chemical Company LP Sweeny Complex Olefins and NGL AssetsO215107/25/2509/24/25

Significant Revision

Comments received on August 19, 2024 suspending EPA review.

TCEQ to hold public meeting on 01/14/2025

Response to Comments and Proposed Permit received on 06/09/2025

Gladieux Materials Recycling LLC Freeport PlantO4581

10/18/24 

EPA Objects

 

Initial Issuance

EPA objected to the title V permit issuance on 10/18/24

Pasadena Refining System Inc Pasadena RefineryO3711Comments received 10/01/2024 

Renewal and Significant Revision

Comments received by TCEQ on October 1, 2024 suspending EPA review.

Corpus Christi Liquefaction, LLC Corpus Christi Liquefaction Stage 3O4592Comments received on 10/09/24 

Initial Issuance

EPA Review suspended. Public comments received on October 9, 2024.

PCI Nitrogen LLC Pasadena FacilityO1252Comments received on 11/01/24 

Renewal

Public Comments received on 11/01/24. EPA review suspended. 

ExxonMobil Corporation Baytown RefineryO1229Comments received 10/31/24 

Minor Revision 

EPA review suspended. Comments received on 10/31/2024.

Houston Refining LP Houston RefiningO1372Comments Received 11/08/24 

Renewal

EPA review suspended. Comments received on 11/08/24. 

Chevron Phillips Chemical Company LP Polyethylene Units 40 and 41O396109/26/2511/26/25Renewal and Minor Revision. TCEQ received comments on 01/13/2025 suspending EPA review. Response to Comments and Proposed Permit received on 08/11/2025.
LyondellBasell Acetyls, LLC La Porte ComplexO1375Comments received on 02/21/25  

Renewal

Public comments received on 02/21/25 suspending EPA review.

Formosa Plastics Corporation Texas Point Comfort Ethylene Glycol PlantO1484Comments received on 03/31/25 

Renewal

Public comments received on 03/31/25 suspending EPA review.

Formosa Plastics Corporation Texas Point Comfort Polypropylene PlantO1956Comments received 03/05/25 

Renewal

Public comments received on 03/03/25 suspending EPA review.

The Lubrizol Corporation Chemithon and 156 UnitsO193207/11/2509/10/25

Renewal

Public Comments received on 04/25/25 suspending EPA Review.

Proposed Permit and Response to Comments submitted to EPA for review on 04/27/25.

Formosa Plastics Corporation Texas Point Comfort Specialty PVC PlantO3409Public Comments received on 04/28/25 

Renewal

Public Comments received on 04/28/25 suspending EPA review. 

Topsoe Inc HTI BayportO121706/20/2508/20/25Renewal
BASF Corporation BASF Freeport SiteO192806/20/2508/20/25Renewal
Wolf Hollow I Power LLC Wolf Hollow IO2066Comments received on 05/22/2025 

Renewal

Comments received on 05/22/2025 suspending EPA review.

ET Gathering & Processing LLC Mi Vida Treater PlantO318606/20/2508/20/25Renewal
Transcontinental Gas Pipe Line Company LLC Transco Compressor Station 30O410106/20/2508/20/25Renewal
Teijin Automotive Technologies Texas LLC O419606/20/2508/20/25Renewal
Targa Gas Processing LLC High Plains Gas PlantO450206/27/2508/27/25Initial Issuance
Oxy USA Inc. Block 31 Gas PlantO54706/27/2508/27/25Renewal
Bell Textron Inc Bell Textron Plant 1O163106/27/2508/27/25Renewal
INV Nylon Chemicals Americas LLC AND HMD PowerhouseO189706/27/2508/27/25Renewal
Channel Energy Center LLC Channel Energy CenterO208406/27/2508/27/25Renewal
Martech LLCO255206/27/2508/27/25Renewal
Viron International Corporation Fiberglass Spray FacilityO274506/27/2508/27/25Renewal
ExxonMobil Pipeline Company LLC ExxonMobil South Houston TerminalO302106/27/2508/27/25Renewal
Indorama Ventures Oxide LLC PO/MTBE PlantO305606/27/2508/27/25Renewal
Enterprise Navitas Midstream Midland Basin LLC Leonidas Gas PlantO463007/04/2509/03/25Initial Issuance
Remy Jade II LLC Remy Jade IIO466807/04/2509/03/25Initial Issuance
Lone Star Industries Inc Maryneal Cement PlantO111907/04/2509/03/25Renewal
Union Carbide Corporation Low Pressure OXO & Synthesis Gas Supply UnitO191907/04/2509/03/25Renewal
Covestro LLC SL AreaO252907/04/2509/03/25Renewal
ExxonMobil Pipeline Company LLC Webster Crude StationO303807/04/2509/03/25Renewal
Ascend Performance Materials Texas IncO232107/04/2509/03/25Minor Revision
Kohler Co. Kohler Plastics PlantO271107/04/2509/03/25Minor Revision
Enlink North Texas Gathering LP Adeline Compressor StationO441207/04/2509/03/25Minor Revision
Wyman-Gordon Forgings Inc. Cypress FacilityO468807/11/2509/10/25Initial Issuance
American Polymer CompanyO470107/11/2509/10/25Initial Issuance
Golden Spread Electric Cooperative Inc Mustang Station Units 1 and 2O177707/11/2509/10/25Renewal
Thad Hill Energy Center LLC Bosque County Power PlantO188607/11/2509/10/25Renewal
El Paso Natural Gas Company LLC Keystone Compressor StationO317707/11/2509/10/25Renewal
ET Gathering & Processing LLC Coyanosa Gas PlantO318707/11/2509/10/25Renewal
Enterprise Products Operating LLC Mont Belvieu Complex Eagle Ford Fractionation UnitsO355707/11/2509/10/25Renewal
Martin Marietta North Texas Cement LLC Midlothian Cement PlantO107707/11/2509/10/25Minor Revision
The Dow Chemical Company Dow Texas Operations Freeport -Energy CenterO269707/11/2509/10/25Minor Revision
Enterprise Products Operating Enterprise Pasadena PlantO142907/18/2509/17/25Renewal
Honeywell International Inc. Polyethylene Wax UnitO153307/18/2509/17/25Renewal
BASF TotalEnergies Petrochemicals LLC Port ArthurO255107/18/2509/17/25Renewal
Ameresco Dallas LLC Ameresco Biogas Energy FacilityO340107/18/2509/17/25Renewal
Magellan Pipeline Company LP Frost StationO369807/18/2509/17/25Renewal
Louisiana-Pacific Corporation Carthage Oriented Strandboard MillO120007/18/2509/17/25Minor Revision
El Paso Natural Gas Company LLC Guadalupe Compressor StationO316707/25/2509/24/25Renewal
ET Gathering & Processing LLC Tippett Gas PlantO319007/25/2509/24/25Renewal
Formosa Plastics Corporation Texas Point Comfort PE3 PlantO4166Comments received on 06/12/2025 

Significant Revision

Comments received on 06/12/2025 suspending EPA review.

The Dow Chemical Company Dow Texas Operations Freeport - HydrocarbonsO221307/25/2509/24/25Minor Revision
IACX Rock Creek LLC Rock Creel Gas PlantO244907/25/2509/24/25Minor Revision
Royal Baths Manufacturing Company Burns Street FacilityO205808/01/2510/01/25Renewal
ET Gathering & Processing LLC Waha Gas PlantO254608/01/2510/01/25Renewal
Enterprise Hydrocarbons LP Armstrong Gas PlantO318408/01/2510/01/25Renewal
Smith Industries LLC Smith IndustriesO418808/01/2510/01/25Renewal
Johns Manville Cleburne PlantO167708/01/2510/01/25Minor Revision
Nustar Logistics LP Corpus Christie TerminalO123808/08/2510/08/25Renewal
Westrock Texas LP Evadale MillO126508/08/2510/08/25Renewal
Royal Baths Manufacturing Company Chrisman Road FacilityO182408/08/2510/08/25Renewal
Synthomer Adhesive Technologies LLC C8-EastoflexO197808/08/2510/08/25Renewal
OQ Chemicals Bisho LLC Bishop PlantO200908/08/2510/08/25Renewal
Tennessee Gas Pipeline Company LLC TGP Compressor Station 1 Agua DulceO303908/08/2510/08/25Renewal
Petra Nova Parish Holdings LLC Carbon Capture PlantO3611Comments received 06/17/25 

Renewal

Comments received 06/17/25 suspending EPA review.

Tesla Inc Texas GigafactoryO435608/08/2510/08/25Minor Revision
SWG Pipeline LLC Ponder Compressor StationO453708/08/2510/08/25Minor Revision
Enterprise Crude Pipeline LLC Jones Creek StationO452808/15/2510/15/25Initial Issuance
Tennessee Gas Pipeline Company LLC Compressor Station 17O308108/15/2510/15/25Renewal
PHR Holdings LLC PH Robinson Electric Generating StationO375608/15/2510/15/25Renewal
Enterprise Products Operating LLC Fractionation Units IX, X, XI, XII, DIB II, and Hydrotreater UnitO403508/15/2510/15/25Renewal
The Dow Chemical Company  Dow Texas Operations Freeport - Versene Land Tran and Site MTCO222008/15/2510/15/25Minor Revision
Hobas Pipe USA LP Houston PlantO276608/15/2510/15/25Minor Revision
Enbridge Ingleside LLC Enbridge Ingleside Energy CenterO390608/15/2510/15/25Minor Revision
Fiber Glass Systems LP Andrews PlantO437608/15/2510/15/25Minor Revision
Explorer Pipeline Company Arlington Pipeline Breakout StationO449408/22/2510/22/25Initial Issuance
Burrows Cabinets LLC Waxahachie Cabinet Facility O457908/22/2510/22/25Initial Issuance
Mark One II LLC Mark One Power Station Mark One IIO469208/22/2510/22/25Initial Issuance
Ticona Polymers, Inc. Ticona Polymers Bishop FacilityO201308/22/2510/22/25Minor Revision
Southwestern Public Service Company Nichols Station Power PlantO1308/22/2510/22/25Renewal
Frito-Lay Inc Frito-Lay Rosenberg FacilityO110408/29/2510/29/25Renewal
Ascend Performance Materials Texas Inc. O231808/29/2510/29/25Renewal
ExxonMobil Pipeline Company LLC ExxonMobil Irving TerminalO275708/29/2510/29/25Renewal
Startex Field Services LLC Pawnee Treating PlantO313608/29/2510/29/25Renewal
Dixie Chemical Company Inc Dixie Chemical Bayport FacilityO366908/29/2510/29/25Renewal
Sky Global Power One LLC O379908/29/2510/29/25Renewal
The Dow Chemical Company Chemicals & Metals (3)O220308/29/2510/29/25Minor Revision
Motiva Enterprises LLC Port Neches TerminalO327708/29/2510/29/25Minor Revision
Knauf Insulation Inc McGregor FacilityO468609/05/2511/05/25Initial Issuance
Ash Grove Cement Company Midlothian PlantO105409/05/2511/05/25Renewal
Bridgestone Bandag LLC Bandag Abiliene PlantO107409/05/2511/05/25Renewal
DCP Operating Company LP Rawhide Gas PlantO360409/05/2511/05/25Renewal
Plains Pipeline LP Wink ComplexO415209/05/2511/05/25Renewal
Arcwood Environmental Orange LLC Sabine Regional IncineratorO189609/05/2511/05/25Minor Revision
Alamo Mission LLC Alamo Mission Data CenterO470909/12/2511/12/25Initial Issuance
Skeeter Products Inc Skeeter Products Boat BuildingO473709/12/2511/12/25Initial Issuance
City of Garland Power & Light Spencer Generating StationO8409/12/2511/12/25Renewal
Capitol Aggregates Inc. Capitol Cement PlantO111809/12/2511/12/25Renewal
General Shale Brick Inc Mineral Wells FacilityO169209/12/2511/12/25Renewal
Rohm and Haas Texas Incorporated Deer Park FacilityO223209/12/2511/12/25Renewal
Lower Neches Valley Authority B I First Pumping StationO279409/12/2511/12/25Renewal
Colt G & P North Texas LP Weatherford PlantO298609/12/2511/12/25Renewal
ETC Texas Pipeline Ltd Tilden Gas PlantO309309/12/2511/12/25Renewal
Northern Natural Gas Company Spraberry Compressor StationO326009/12/2511/12/25Renewal
Plains Pipeline LP Gardendale South PGS Gardendale TerminalO362409/12/2511/12/25Renewal
Plains Pipeline LP Colorado City Tank FarmO415109/12/2511/12/25Renewal
Bher Power Resources Inc C R Wing Cogeneration PlantO9109/12/2511/12/25Significant Revision
Formosa Plastics Corporation Texas Energy/Steam Generating Facility Point Comfort PlantO3421Comments received on 07/23/25 Renewal - Comments received on 07/23/25 suspending EPA review.
BASF Corporation BASF Pasadena PlantO133109/19/2511/19/25Renewal
Enterprise North Permian Midstream LLC Crow Compressor StationO417109/19/2511/19/25Renewal
Union Carbide Corporation Vinyl Acetate UnitO192409/19/2511/19/25Minor Revision
Corpus Christi Liquefaction LLC O358009/19/2511/19/25Minor Revision
Targa Pipeline Mid-Continent WestTex LLCO445609/26/2511/26/25Initial Issuance
Enlink Midstream Services LLC  Lateral A Compressor StationO458309/26/2511/26/25Initial Issuance
INV Polypropylene LLC Invista LongviewO473109/26/2511/26/25Initial Issuance
Texas Lehigh Cement Company LP Texas Lehigh Cement PlantO113209/26/2511/26/25Renewal
Corpus Christi Cogeneration LLC Corpus Christi CogenerationO212209/26/2511/26/25Renewal
Rohm and Haas Texas Incorporated Deer ParkO223309/26/2511/26/25Renewal
Indorama Ventures Oxide LLC  E4 & E7 UnitsO228709/26/2511/26/25Renewal
United States Gypsum Company Galena Park PlantO312909/26/2511/26/25Renewal
Enterprise Hydrocarbons LP Shilling Gas Treating PlantO322909/26/2511/26/25Renewal
Enterprise Refined Products Company LLC Neches River TerminalO402309/26/2511/26/25Renewal
Compass Datacenters DFW III LLC Red Oak DatacenterO467910/03/2512/03/25Initial Issuance
The Dow Chemical Company Polyethylene 7 PlantO468910/03/2512/03/25Initial Issuance
City of Austin Decker Creek Power PlantO2210/03/2512/03/25Renewal
Citgo Refining and Chemicals Company LP Citgo Corpus Christi Refinery West PlantO142010/03/2512/03/25Renewal
Occidential Permian Ltd Denver Unit CO2 Recovery PlantO305110/03/2512/03/25Renewal
Enterprise Refined Products Company LLC Beaumont TerminalO364810/03/2512/03/25Renewal
The Lubrizol Corporation BL-4 SystemO219110/03/2512/03/25Minor Revision

Showing 1 to 127 of 127 entries

Please contact the EPA State Coordinator if you have any questions about the information contained in the table below, or need information for any permit that was available for public review before October 1, 2017.

Contact Us About Permitting Under the Clean Air Act to ask a question, provide feedback, or report a problem.
Last updated on August 18, 2025
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