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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.

Renewal combined with 4 minor revisions. Draft permit sent to public notice on 05/03/26. 

Shell Chemical LP Deer ParkO1668 Order Issued on 12/19/24

Renewal - 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.

Reopened 01/08/26

Comments received 02/09/26

Valero Energy Partners LP Valero Partners HoustonO378408/14/26

Petition Received on 12/03/24

New Petition Deadline 10/13/26

Renewal - 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.

Petition received on 12/03/2024. Order signed on 07/18/2025.

A response to the Order submitted to EPA on 06/30/26. A Minor Revision was required to respond to the petition Order. 

Minor Revision - Responding to Petition Order

TPC Group LLC Houston PlantO1598 Order signed 05/06/26Renewal -  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
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

AM BidCo Operations LLC Am Bidco Operations (Formerly Gladieux Materials Recycling LLC Freeport Plant)O458109/18/2611/17/26

Initial Issuance

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

Proposed permit received on 08/04/2026.

Pasadena Refining System Inc Pasadena RefineryO371107/24/2609/22/26

Renewal and Significant Revision

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

Proposed permit and Response to comments received on 06/09/2026 for 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.

ExxonMobil Corporation Baytown RefineryO122910/09/2612/08/26

Minor Revision 

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

Proposed permit and Response to Comments received for EPA review on 08/25/26

LyondellBasell Acetyls, LLC La Porte ComplexO1375 Petition received on 04/28/26

Renewal

Public comments received on 02/21/25 suspending EPA review. Proposed permit and Response to Comments received on 01/13/26.

Petition received on 04/28/26

Formosa Plastics Corporation Texas Point Comfort Ethylene Glycol PlantO148409/18/2611/17/26

Renewal

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

Proposed Permit and Response to Comments submitted to EPA for review on 08/04/26.

Formosa Plastics Corporation Texas Point Comfort Polypropylene PlantO195609/18/2611/17/26

Renewal

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

Proposed Permit and Response to Comments submitted to EPA for review on 08/04/26.

Formosa Plastics Corporation Texas Point Comfort Specialty PVC PlantO340909/18/2611/17/26

Renewal

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

Proposed Permit and Response to Comments submitted to EPA for review on 08/04/26.

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

Renewal

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

Petra Nova Parish Holdings LLC Carbon Capture PlantO3611Comments received 06/17/25 

Renewal

Comments received 06/17/25 suspending EPA review.

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.
Plainsman Company LLC Plainsman Avenue A FacilityO4775Comments received on 10/10/25 

Initial Issuance

Comments received on 10/10/25 suspending EPA review. 

Vantage Data Centers TX21 LLC Vantage TX 21O4790Comments received 02/03/26 

Initial Issuance

Comments received on 02/03/26 suspending EPA review

Bayport Polymers LLC Ethane CrackerO4161Comments received on 12/31/25 

Renewal

Comments received on 12/31/25 suspending EPA review.

The Chemours Company FC LLC Ingleside PlantO418207/31/2609/29/26

Renewal

TCEQ received comments on 03/06/26 suspending EPA review.

Proposed permit and Response to Comments received on 06/17/26 for EPA review.

Freeport LNG Development LP Freeport LNG Regas Facility and Liquefaction PlantO2878Comments received on 04/06/26 

Significant Revision

Comments received on 04/06/26 suspending EPA review

Freeport LNG Development LP Freeport LNG Pretreatment FacilityO3958Comments received on 04/08/26 

Significant Revision

Comments received on 04/08/26 suspending EPA review

Vantage Data Centers TX11 LLC Vantage TX 11O4791Comments received on 04/22/26 

Initial Issuance

Comments received on 04/22/26 suspending EPA review.

Gibson Energy Infrastructure LLC South Texas Gateway TerminalO422010/02/2612/01/26

Renewal

Comments received on 04/14/26 suspending EPA review

Proposed permit received on 08/18/26

Formosa Plastics Corporation Texas Point Comfort Caustic/Chlorine and EDC PlantsO1953Comments received on 04/25/26 

Renewal

Comments received on 04/25/26 suspending EPA review.

Western Refining Company LLC El Paso RefineryO134807/06/2609/04/26Renewal
Gregory Power Partners LLC Gregory Power FacilityO180907/06/2609/04/26Renewal
The Goodyear Tire & Rubber Company Beaumont Chemical PlantO229407/06/2609/04/26Renewal
Enterprise Crude Pipeline LLC Enterprise Crude Houston StationO426107/06/2609/04/26Renewal
Diamond Shamrock Refining Company LP Valero McKee RefineryO391207/06/2609/04/26Minor Revision
Graphic Packaging International LLC Graphic Packaging International Waco MillO468707/10/2609/08/26Initial Issuance
Et Genco LLC Greywolf Power GenerationO482007/10/2609/08/26Initial Issuance
ET Gathering & Processing LLC Red Bluff Gas Processing PlantO485807/10/2609/08/26Initial Issuance
Valero Refining Texas LP Valero Houston RefineryO489807/10/2609/08/26Initial Issuance
Targa Midstream Services LLC Sterling Gas Processing PlantO13307/10/2609/08/26Renewal
U.S. Department of the Army Fort Hood U.S. ArmyO165907/10/2609/08/26Renewal
Gulf Coast Authority Bayport FacilityO170807/10/2609/08/26Renewal
Harvest Midstream Company KM West Central FacilityO387107/10/2609/08/26Renewal
Global Companies LLC Fort Worth TerminalO420407/10/2609/08/26Renewal
ChampionX LLC Sugar Land PlantO428307/10/2609/08/26Renewal
Oxy Vinyls LP La Porte VCM PlantO132407/10/2609/08/26Minor Revision
Orion Engineered Carbons LLC Borger Carbon Black PlantO166107/10/2609/08/26Minor Revision
The Dow Chemical Company Dow Texas Operations Freeport - Stratton RidgeO467307/10/2609/08/26Minor Revision
Eastman Chemical Texas City Inc Utilities, Waste Treatment, Marine and Surface Loading/Unloading, Ammonia Storage, Misc. Service AreasO481807/17/2609/15/26Initial Issuance
Eastman Chemical Texas City Inc, Methanol and Acetic Acids UnitsO140007/17/2609/15/26Renewal
Union Carbide Corporation Organic Acids FacilitiesO192307/17/2609/15/26Renewal
Indorama Ventures Oxides LLC LAB Chocolate Bayou PlantO231907/17/2609/15/26Renewal
The Praxis Companies LLC Ennis FacilityO269007/17/2609/15/26Renewal
Constellation Handley Power LLC Handley Steam Electric StationO5107/24/2609/22/26Renewal
Hudson Products Corporation Breasley Texas Plant O105707/24/2609/22/26Renewal
Lyondell Chemical Company Channelview FacilityO138707/24/2609/22/26Renewal
The Dow Chemical Company Dow Texas Operations Freeport - Specialty Chemicals 2O222107/24/2609/22/26Renewal
Trunkline Gas Company LLC Beeville Compressor StationO318507/24/2609/22/26Renewal
Corpus Christi Liquefaction LLC O358007/24/2609/22/26

Renewal

Comments received on 06/30/26 suspending EPA review.

Brazos Midstream Operating LLC Commanche PlantO411907/24/2609/22/26Renewal
Rohm and Haas Texas Incorporated Deer Park Lone Star FacilityO223507/24/2609/22/26Minor Revision
Roehm America LLC Roehm America Bay City SiteO467107/31/2609/29/26Initial Issuance
Entergy Texas Inc Lewis Creek PlantO6807/31/2609/29/26Renewal
Vitro Flat Glass LLC Flat Glass Manufacturing FacilityO111307/31/2609/29/26Renewal
TotalEnergies Petrochemicals & Refining USA Inc La Porte Polypropylene PlantO129307/31/2609/29/26Renewal
Texas Barge & Boat Inc. Texas Barge & Boat Freeport FacilityO169807/31/2609/29/26Renewal
Union Carbide Corporation LP Polyethylene & Catalyst UnitsO203207/31/2609/29/26Renewal
Magellan Pipeline Terminals LP Odessa TerminalO276407/31/2609/29/26Renewal
South Texas Electric Cooperative Inc Red Gate Power PlantO381007/31/2609/29/26Renewal
Energy Transfer GC NGL Fractionators LLC, Mont Belvieu Frac IV and VO405107/31/2609/29/26Renewal
Topaz Generating LLCO428907/31/2609/29/26Renewal
INEOS Styrolution America LLC Texas City FacilityO284907/31/2609/29/26Significant Revision
SWG Pipeline LLC Lillian Compressor StationO454407/31/2609/29/26Significant Revision
Oak Grove Management Company Oak Grove Steam Electric StationO294207/31/2609/29/26Minor Revision
Pasadena Performance Products LLC Pasadena SiteO450607/31/2609/29/26Minor Revision
Enterprise Midland Basin Midstream LLC Poseidon Gas PlantO485408/07/2610/06/26Initial Issuance 
ET Gathering & Processing LLC Delaware Compressor StationO486808/07/2610/06/26Initial Issuance 
Et Genco LLC Badger Power PlantO490208/07/2610/06/26Initial Issuance 
City Public Service Board VH Braunig Power PlantO708/07/2610/06/26Renewal
Formosa Plastics Corporation Texas Point Comfort O195408/07/2610/06/26Renewal
Maverick Maintenance & Supply LLC O274608/07/2610/06/26Renewal
SI Group Inc. Freeport FacilityO143108/07/2610/06/26Significant Revision
Ash Grove Cement South Texas LLC Hunter FacilityO112008/07/2610/06/26Minor Revision
Albemarle Corporation Pasadena PlantO228508/07/2610/06/26Minor Revision
The Dow Chemical Company Monomeric Methylene Diphenyl Diisocyanate MMDI PlantO439308/07/2610/06/26Minor Revision
Harvest Midstream Company Traylor North No.1 Central FacilityO481508/14/2610/13/26Initial Issuance
ETC North Permian Midstream LLC Sale Ranch Gas PlantO487708/14/2610/13/26Initial Issuance
Bher Power Resources Inc C R Wing Cogeneration PlantO9108/14/2610/13/26Renewal
Valero Refining Texas LP Valero Texas City RefineryO125308/14/2610/13/26Renewal
Chevron Phillips Chemical Company LP Orange PlantO131008/14/2610/13/26Renewal
Ticona Polymers Inc Bishop FacilityO201708/14/2610/13/26Renewal
ExxonMobil Pipeline Company LLC Pasadena StationO269308/14/2610/13/26Renewal
HO Clarke Generating LLC O410508/14/2610/13/26Renewal
Enterprise Crude Pipeline LLC Seaway Texas City StationO425808/14/2610/13/26Renewal
Valero Refining Texas LP Valero Energy PartnersO378408/14/2610/13/26Minor Revision - Responding to Petition Order
City of Bryan Roland C Dansby Power PlantO8208/21/2610/20/26Renewal
The University of Texas at Austin Hal C. Weaver Power PlantO9308/21/2610/20/26Renewal
Targa Midstream Services LLC Mertzon Gas Processing PlantO83408/21/2610/20/26Renewal
Republic National Industries of Texas LP Republic Industries Marshall FacilityO177208/21/2610/20/26Renewal
Formosa Plastics Corporation, Texas Formosa Point Comfort PlantO195508/21/2610/20/26Renewal
JGE Gas Solutions LP Longview Gas PlantO309708/21/2610/20/26Renewal
ANR Pipeline Company E G Hill Compressor StationO326108/21/2610/20/26Renewal
Synthomer Adhesive Technologies LLC C8-EastoflexO198708/21/2610/20/26Significant Revision
Sasol Chemicals USA LLC Greens Bayou PlantO125408/21/2610/20/26Minor Revision
Texas International Refining Company LLC Galveston Crude Oil ProcessingO458808/28/2610/27/26Initial Issuance
Lower Colorado River Authority Timmerman Power PlantO476608/28/2610/27/26Initial Issuance
Audubon Metals Texas LLCO487308/28/2610/27/26Initial Issuance
City Public Service Board Barney Davis Energy CenterO3408/28/2610/27/26Renewal
Clean Harbors Deer Park LLC O156608/28/2610/27/26Renewal
ExxonMobil Pipeline Company LLC Wink TerminalO424208/28/2610/27/26Renewal
Fort Dearborn Company O428108/28/2610/27/26Renewal
Enterprise Products Operating LLC Wilson Storage StationO349808/28/2610/27/26Minor Revision
Enterprise Products Operating LLC Cisco Compressor StationO350608/28/2610/27/26Minor Revision
Aquatic Co, AquaticO106309/04/2611/03/26Renewal
Louisiana-Pacific Corporation Jasper OSB MillO119809/04/2611/03/26Renewal
The Dow Chemical Company F-Unit CopolymersO190309/04/2611/03/26Renewal
Texas Eastern Transmission LP Thomaston Compressor StationO304009/04/2611/03/26Renewal
Midcontinent Express Pipeline LLC Lamar Compressor StationO327409/04/2611/03/26Renewal
Fairway Methanol LLC Clear Lake Plant Methanol UnitO367809/04/2611/03/26Renewal
Acacia Natural Gas LLC I-20 Compressor StationO386009/04/2611/03/26Renewal
Mauser USA LLC O331909/04/2611/03/26Minor Revision
Targa Pipeline Mid-Continent Westtex LLC Gateway Gas PlantO463909/04/2611/03/26Minor Revision
Afton Chemical Corporation Lube and Fuel Additives PlantO146009/11/2611/10/26Renewal
The Premcor Refining Group Inc Valero Port Arthur RefineryO149809/11/2611/10/26Renewal
Midlothian Energy LLC Midlothian Energy FacilityO186909/11/2611/10/26Renewal
BASF Corporation 4HAP/IBU UnitO201609/11/2611/10/26Renewal
Valero Refining Texas LP Corpus Christi Tank FarmO260109/11/2611/10/26Renewal
West Fraser Wood Products Henderson Lumber MillO270209/11/2611/10/26Renewal
Robroy Industries Texas LLC Robroy Industries Raceway DivisionO270909/11/2611/10/26Renewal
Xeres Corporation Xeres Seguin PlantO273609/11/2611/10/26Renewal
CITGO Refining and Chemicals Company L.P. Corpus Christi Refinery East Plant and TerminalO142309/11/2611/10/26Minor Revision
Global Companies LLC Global San Antonio TerminalO479609/18/2611/17/26Initial Issuance
EagleClaw Midstream Ventures, LLC East Toyah Gas Processing FacilityO489909/18/2611/17/26Initial Issuance
Paris Generation, L.P. Paris Energy CenterO9409/18/2611/17/26Renewal
El Paso Electric Company Montana Power StationO367009/18/2611/17/26Renewal
Midcoast G & P (East Texas) L.P. Aker PlantO385409/18/2611/17/26Renewal
Texas Port Recycling Inc. Tpr Manchester FacilityO424309/18/2611/17/26Renewal
Cheniere Corpus Christi Pipeline, L.P. Sinton Compressor StationO429609/18/2611/17/26Renewal
EnLink Midstream Services, LLC Black Creek Compressor StationO454009/18/2611/17/26Minor Revision
BPX Eagleford JV Holdings LLC Hawkville Gas Treating FacilityO484509/25/2611/24/26Initial Issuance
Kerrville Public Utility Board Public Facility Corporation Rock Island Generating Power PlantO4911Comments received on 08/10/26 

Initial Issuance

Comments received on 08/10/26 suspending EPA review

Shintech Incorporated Freeport PlantO136109/25/2611/24/26Renewal
West Fraser US EWP LLC West Fraser Texas Jefferson OsbO159109/25/2611/24/26Renewal
Ascend Performance Materials Texas LLC Chocolate Bayou PlantO232509/25/2611/24/26Renewal
Moss Bluff Hub LLC Moss Bluff Natural Gas Storage FacilityO258709/25/2611/24/26Renewal
Chevron Phillips Chemical Company, LP Cedar Bayou Chemical ComplexO211409/25/2611/24/26Significant Revision
Chevron Phillips Chemical Company, LP Borger PlantO216409/25/2611/24/26Minor Revision
Targa Pipeline Mid-Continent WestTex LLC Driver Gas PlantO445609/25/2611/24/26Minor Revision
Lion Elastomers Orange LLCO480110/02/2612/01/26Initial Issuance
Ranger Gas Gathering LLC Ranger Gas PlantO294510/02/2612/01/26Renewal
LyondellBasell Acetyls, LLC La Porte ComplexO137510/02/2612/01/26Minor Revision
ET Gathering & Processing LLC Oxy Collie Treater StationO486510/09/2612/08/26Initial Issuance
Trans-Pecos Pipeline LLC Waha Header Compressor StationO489510/09/2612/08/26Initial Issuance
Oxy USA Inc Seminole Gas Processing PlantO62710/09/2612/08/26Renewal
Copano Processing LLC Houston Central Gas PlantO80710/09/2612/08/26Renewal
GATX Corporation Hearne Maintenance FacilityO167810/09/2612/08/26Renewal
TPCO America Corporation TEDA TPCO AmericaO3660Comments received 08/23/26 

Renewal

Comments received 08/23/26 suspending EPA review.

INV Nylon Chemicals Americas LLC AND HMD PowerhouseO189710/09/2612/08/26Minor Revision
US Department of the Army Red River Army DepotO485010/16/2612/15/26Initial Issuance
Enlink North Texas Gathering LP Ratliff Compressor StationO487410/16/2612/15/26Initial Issuance
Et Genco LLC Mustang Power GenerationO491610/16/2612/15/26Initial Issuance
City Public Service Board Laredo Power StationO2910/16/2612/15/26Renewal
Arcwood Environmental Orange LLC Sabine Regional IncineratorO189610/16/2612/15/26Renewal
Natural Gas Pipeline Company of America LLC Compressor Station 304 Marshall O320010/16/2612/15/26Renewal
Jefferson Railport Terminal I Texas LLC Jefferson Railport TerminalO383110/16/2612/15/26Renewal
E R Carpenter LP EPS Insulation Facility De SotoO424110/16/2612/15/26Renewal
Energy Transfer Fuel LP Sweeny Compressor StationO425510/16/2612/15/26Renewal
Chevron Phillips Chemical Company LP Clemens TerminalO271010/16/2612/15/26Minor 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 September 2, 2026
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