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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.
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

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 FacilityO125210/24/2512/23/25

Renewal

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

Response to comments and Proposed permit received on 09/08/25.

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 41O396109/26/2511/25/25Renewal 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 UnitsO1932 Petition received on 09/10/25

Renewal

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

Proposed Permit and Response to Comments submitted to EPA for review on 05/27/25.

Petition received on 09/10/25.

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. 

Wolf Hollow I Power LLC Wolf Hollow IO2066Comments received on 05/22/2025 

Renewal

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

Formosa Plastics Corporation Texas Point Comfort PE3 PlantO4166Comments received on 06/12/2025 

Significant Revision

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

Nustar Logistics LP Corpus Christie TerminalO123808/08/2510/07/25Renewal
Westrock Texas LP Evadale MillO126508/08/2510/07/25Renewal
Royal Baths Manufacturing Company Chrisman Road FacilityO182408/08/2510/07/25Renewal
Synthomer Adhesive Technologies LLC C8-EastoflexO197808/08/2510/07/25Renewal
OQ Chemicals Bisho LLC Bishop PlantO200908/08/2510/07/25Renewal
Tennessee Gas Pipeline Company LLC TGP Compressor Station 1 Agua DulceO303908/08/2510/07/25Renewal
Petra Nova Parish Holdings LLC Carbon Capture PlantO3611Comments received 06/17/25 

Renewal

Comments received 06/17/25 suspending EPA review.

Tesla Inc Texas GigafactoryO435608/08/2510/07/25Minor Revision
SWG Pipeline LLC Ponder Compressor StationO453708/08/2510/07/25Minor Revision
Enterprise Crude Pipeline LLC Jones Creek StationO452808/15/2510/14/25Initial Issuance
Tennessee Gas Pipeline Company LLC Compressor Station 17O308108/15/2510/14/25Renewal
PHR Holdings LLC PH Robinson Electric Generating StationO375608/15/2510/14/25Renewal
Enterprise Products Operating LLC Fractionation Units IX, X, XI, XII, DIB II, and Hydrotreater UnitO403508/15/2510/14/25Renewal
The Dow Chemical Company  Dow Texas Operations Freeport - Versene Land Tran and Site MTCO222008/15/2510/14/25Minor Revision
Hobas Pipe USA LP Houston PlantO276608/15/2510/14/25Minor Revision
Enbridge Ingleside LLC Enbridge Ingleside Energy CenterO390608/15/2510/14/25Minor Revision
Fiber Glass Systems LP Andrews PlantO437608/15/2510/14/25Minor Revision
Explorer Pipeline Company Arlington Pipeline Breakout StationO449408/22/2510/21/25Initial Issuance
Burrows Cabinets LLC Waxahachie Cabinet Facility O457908/22/2510/21/25Initial Issuance
Mark One II LLC Mark One Power Station Mark One IIO469208/22/2510/21/25Initial Issuance
Ticona Polymers, Inc. Ticona Polymers Bishop FacilityO201308/22/2510/21/25Minor Revision
Southwestern Public Service Company Nichols Station Power PlantO1308/22/2510/21/25Renewal
Frito-Lay Inc Frito-Lay Rosenberg FacilityO110408/29/2510/28/25Renewal
Ascend Performance Materials Texas Inc. O231808/29/2510/28/25Renewal
ExxonMobil Pipeline Company LLC ExxonMobil Irving TerminalO275708/29/2510/28/25Renewal
Startex Field Services LLC Pawnee Treating PlantO313608/29/2510/28/25Renewal
Dixie Chemical Company Inc Dixie Chemical Bayport FacilityO366908/29/2510/28/25Renewal
Sky Global Power One LLC O379908/29/2510/28/25Renewal
The Dow Chemical Company Chemicals & Metals (3)O220308/29/2510/28/25Minor Revision
Motiva Enterprises LLC Port Neches TerminalO327708/29/2510/28/25Minor Revision
Knauf Insulation Inc McGregor FacilityO468609/05/2511/04/25Initial Issuance
Ash Grove Cement Company Midlothian PlantO105409/05/2511/04/25Renewal
Bridgestone Bandag LLC Bandag Abiliene PlantO107409/05/2511/04/25Renewal
DCP Operating Company LP Rawhide Gas PlantO360409/05/2511/04/25Renewal
Plains Pipeline LP Wink ComplexO415209/05/2511/04/25Renewal
Arcwood Environmental Orange LLC Sabine Regional IncineratorO189609/05/2511/04/25Minor Revision
Alamo Mission LLC Alamo Mission Data CenterO470909/12/25 

Initial Issuance

Comments received on 08/29/25 suspending EPA review. 

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 PlantO133109/19/2511/18/25Renewal
Enterprise North Permian Midstream LLC Crow Compressor StationO417109/19/2511/18/25Renewal
Union Carbide Corporation Vinyl Acetate UnitO192409/19/2511/18/25Minor Revision
Corpus Christi Liquefaction LLC O358009/19/2511/18/25Minor Revision
Targa Pipeline Mid-Continent WestTex LLCO445609/26/2511/25/25Initial Issuance
Enlink Midstream Services LLC  Lateral A Compressor StationO458309/26/2511/25/25Initial Issuance
INV Polypropylene LLC Invista LongviewO473109/26/2511/25/25Initial Issuance
Texas Lehigh Cement Company LP Texas Lehigh Cement PlantO113209/26/2511/25/25Renewal
Corpus Christi Cogeneration LLC Corpus Christi CogenerationO212209/26/2511/25/25Renewal
Rohm and Haas Texas Incorporated Deer ParkO223309/26/2511/25/25Renewal
Indorama Ventures Oxide LLC  E4 & E7 UnitsO228709/26/2511/25/25Renewal
United States Gypsum Company Galena Park PlantO312909/26/2511/25/25Renewal
Enterprise Hydrocarbons LP Shilling Gas Treating PlantO322909/26/2511/25/25Renewal
Enterprise Refined Products Company LLC Neches River TerminalO402309/26/2511/25/25Renewal
Compass Datacenters DFW III LLC Red Oak DatacenterO467910/03/2512/02/25Initial Issuance
The Dow Chemical Company Polyethylene 7 PlantO468910/03/2512/02/25Initial Issuance
City of Austin Decker Creek Power PlantO2210/03/2512/02/25Renewal
Citgo Refining and Chemicals Company LP Citgo Corpus Christi Refinery West PlantO142010/03/2512/02/25Renewal
Occidential Permian Ltd Denver Unit CO2 Recovery PlantO305110/03/2512/02/25Renewal
Enterprise Refined Products Company LLC Beaumont TerminalO364810/03/2512/02/25Renewal
The Lubrizol Corporation BL-4 SystemO219110/03/2512/02/25Minor Revision
RPC Merchant LLC Faulkner FacilityO470310/10/2512/09/25Initial Issuance
R R Donnelley & Sons Company RR Donnelley WetmoreO334810/10/2512/09/25Renewal
Avanzar Interior Technologies Ltd. Building 41 ExpansionO465110/17/2512/16/25Initial Issuance
Sasol Chemicals USA LLC Greens Bayou PlantO125410/17/2512/16/25Renewal
INEOS USA LLC Polypropylene UnitsO135310/17/2512/16/25Renewal
Covestro LLC ECD and UtilitiesO139010/17/2512/16/25Renewal
INEOS Americas LLC Pasadena SiteO162110/17/2512/16/25Renewal
DCP Operating Company LP Sherhan Gas PlantO256910/17/2512/16/25Renewal
Solar Turbines IncorporatedO133310/17/2512/16/25Significant Revision
Musket Corporation Fort Worth Fuel TerminalO457210/24/2512/23/25Initial Issuance
ETC South Permian Midstream LLC E-Line Booster StationO467410/24/2512/23/25Initial Issuance
Shumard Corporation Fiberglass Manufacturing FacilityO472710/24/2512/23/25Initial Issuance
INEOS Styrolution America LLC Bayport FacilityO162510/24/2512/23/25Renewal
Air Liquide Large Industries US LP Air Liquide Bayou Cogeneration PlantO173510/24/2512/23/25Renewal
Prysmian Cables and Systems USA LLC O242610/24/2512/23/25Renewal
Enlink Midstream Services LLC Black Creek Compressor StationO454010/31/2512/30/25Initial Issuance
Et Genco LLC WT-2 PS Power GenerationO470810/31/2512/30/25Initial Issuance
Meridian Brick LLC Henderson FacilityO176610/31/2512/30/25Renewal
Blain Larsen Farms Inc Larsen Farms Power Generating Facility Plant No. 1O389610/31/2512/30/25Renewal
Natgasoline LLC Natgasoline Methanol PlantO396310/31/2512/30/25Renewal
Atmos Energy Corporation Howard Compressor StationO386810/31/2512/30/25Minor Revision
Explorer Pipeline Company Fauna Pipeline StationO449311/07/2501/06/25Initial Issuance
Lockheed Martin Corporation Air Force Plant 4O129411/07/2501/06/25Renewal
Mansfield Plumbing Products LLC Mansfield Plumbing Henderson PlantO262611/07/2501/06/25Renewal
Atmos Energy Corporation Bethel Storage Compressor StationO386711/07/2501/06/25Minor Revision
Pin Oak Creek Energy Center LLC Pin Oak Energy CenterO464911/14/2501/13/26Initial Issuance
Arlanxeo USA LLC Orange Site O479811/14/2501/13/26Initial Issuance
Oxy USA WTP LP Salt Creek Gas PlantO55011/14/2501/13/26Renewal
Occidential Permian Ltd Wasson CO2 Removal PlantO55311/14/2501/13/26Renewal
Carbon Silica Partners LP Diamond Fiberglass FabricatorsO271411/14/2501/13/26Renewal
Gulf South Pipeline  Company LLC Goodrich Compressor StationO306611/14/2501/13/26Renewal
Kiewit Offshore Services Ltd Ingleside Offshore Platform Fabrication FacilitiesO334311/14/2501/13/26Renewal
Plains Pipeline LP Gardendale JV/N TerminalO377211/14/2501/13/26Renewal
Specialty Composites Group LLC Waco Composites PlantO410011/14/2501/13/26Renewal
Techemet LP Techemet Genoa Red Bluff Road FacilityO419711/14/2501/13/26Renewal

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 September 30, 2025
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