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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 Olefins PlantO1553 Petition received on 11/12/25Renewal - 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. Petition received on 11/12/25.
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.

ExxonMobil Corporation Baytown RefineryO1229Comments received 10/31/24 

Minor Revision 

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

Houston Refining LP Houston RefiningO137203/06/2605/05/26

Renewal

EPA review suspended. Comments received on 11/08/24. Proposed permit and Response to Comments received on 01/13/26.

LyondellBasell Acetyls, LLC La Porte ComplexO137502/27/2604/28/26

Renewal

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

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.

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

Renewal

Comments received 06/17/25 suspending EPA review.

Alamo Mission LLC Alamo Mission Data CenterO470903/23/2605/22/26

Initial Issuance

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

Proposed permit and response to comments received on 02/03/26 for 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. 

Conduit Edge LLC Lamesa FacilityO480612/12/2502/10/26Initial Issuance
Braskem America Inc. Seadrift Polypropylene FacilityO202512/12/2502/10/26Renewal
ET Gathering & Processing LLC La Grange Gas Processing PlantO309812/12/2502/10/26Renewal
Motiva Enterprises LLC Port Arthur RefineryO138612/12/2502/10/26Minor Revision
Nucor CorporationO425112/12/2502/10/26Minor Revision
RPC Merchant LLC Cedarvale  FacilityO472412/19/2502/17/25Initial Issuance
Vopak Terminal Deer Park Inc Vopak Terminal Deer ParkO106812/19/2502/17/25Renewal
Kurarary America, Inc.O191112/19/2502/17/25Renewal
DCP Operating Company LP Ozona Gas PlantO254212/19/2502/17/25Renewal
United Services Automobile Association San Antonio FacilityO284612/19/2502/17/25Renewal
Texas Eastern Transmission LP Vidor Compressor Station O310012/19/2502/17/25Renewal
General Motors LLC General Motors Arlington Assembly PlantO115112/19/2502/17/25Minor Revision
Luminant Generation Company LLC Trinidad Steam Electric StationO5712/26/2502/24/26Renewal
Lone Star Fiberglass Components of Texas. LLC Lonestar Fiberglass New BraunfelsO421612/26/2502/24/26Renewal
National Aeronautics and Space Administration (NASA) Lyndon B Johnson Space CenterO155212/26/2502/24/26Minor Revision
American Acryl LP American Acryl Bayport ComplexO265501/02/2603/03/26Minor Revision
Sharka LLC Sharka Data CenterO426201/02/2603/03/26Minor Revision
Terra-vaults Inc Gainesville FacilityO471501/02/2603/03/26Initial Issuance
Abilene DC 1 LLC Longhorn Data CenterO472101/02/2603/03/26Initial Issuance
Conduit Edge LLC Jackrabbit FacilityO480501/02/2603/03/26Initial Issuance
Southwestern Public Service Company Tolk Station Power PlantO1201/02/2603/03/26Renewal
Ascend Performance Materials Texas Inc Formalin UnitO232201/02/2603/03/26Renewal
INEOS Chocolate Bayou Pipeline LLC Stratton Ridge Pumping StationO330201/02/2603/03/26Renewal
Targa Delaware LLC Wildcat Gas PlantO412101/02/2603/03/26Renewal
Lhoist North America of Texas LLC Clifton Lime PlantO110801/02/2603/03/26Significant Revision
The Dow Chemical Company Site Functions 3O221901/02/2603/03/26Minor Revision
Envases Commerce LLC Envases Commerce Waco Can PlantO473801/08/2603/09/26Initial Issuance
ONEOK WesTex Transmission LLC Red River Compressor Station I WheelerO56401/08/2603/09/26Renewal
Pelican Island Storage Terminal LLC O85101/08/2603/09/26Renewal
WTG Jameson LP Jameson Gas PlantO86501/08/2603/09/26Renewal
KM Liquids Terminals LLC Galena Park West Chemical PlantO107001/08/2603/09/26Renewal
Nucor Corporation Nucor Steel Jewett Texas DivisionO128901/08/2603/09/26Renewal
Oxbow Calcining LLC Port Arthur PlantO149301/08/2603/09/26Renewal
Kohler Co Kohler Brownwood Main Vitreous PlantO271201/15/2603/16/26Renewal
La Porte Power LLC Peaking Power PlantO432801/15/2603/16/26Renewal
ET Gathering & Processing LLC Grey Wolf Gas PlantO444701/15/2603/16/26Minor Revision
Rohm and Haas Texas Incorporated B-3/Hr Process AreaO158301/23/2603/24/26Renewal
Rohm and Haas Texas Incorporated Deer Park P-NorthO223401/23/2603/24/26Renewal
Global Companies LLC (Formerly Motiva Enterprises LLC) Pasadena Marketing TerminalO270801/23/2603/24/26Renewal
RPC Power LLC Plains Texas FacilityO445701/23/2603/24/26Significant Revision
RPC Power LLC Plains Texas II FacilityO446001/23/2603/24/26Significant Revision
Nutrien US LLC Nutrien US Borger Nitrogen OperationsO168901/23/2603/24/26Minor Revision
ONEOK Hydrocarbon Southwest LLC Mont Belvieu NGL Fractionation and Storage ComplexO364501/23/2603/24/26Minor Revision
Palo Duro Pipelines (Texas Gathering) L.P.O382901/30/2603/31/26Renewal
Topsoe Inc HTI BayportO121701/30/2603/31/26Minor Revision
Chevron Phillips Chemical Company LP Sweeny Complex Olefins and NGL AssetsO215101/30/2603/31/26Minor Revision
Targa Pipeline Mid-Continent Westtex LLC Midkiff Gas PlantO312001/30/2603/31/26Minor Revision
Lhoist North America of Texas LLC Marble Falls Lime PlantO432601/30/2603/31/26Minor Revision
Arcanum Infrastructure LLC Arcanum Baytown SiteO440401/30/2603/31/26Minor Revision
Pactiv LLC Corsicana PlantO106702/06/2604/07/26Renewal
Enterprise Products Operating LLC Mont Belvieu ComplexO164102/06/2604/07/26Renewal
Silgan Can Company Paris PlantO178102/06/2604/07/26Renewal
ExxonMobil Corporation Baytown Chemical PlantO226902/06/2604/07/26Renewal
Air Liquide Large Industries US LP Freeport Hyco PlantO239102/06/2604/07/26Renewal
Valero Refining Texas LP Valero Texas Tank FarmO259902/06/2604/07/26Renewal
Lower Colorado River Authority Winchester Power ParkO302602/06/2604/07/26Renewal
ET Gathering & Processing LLC Sunray Compressor StationO307302/06/2604/07/26Renewal
Enlink Midstream Services LLC Lateral B-117 Compressor StationO414102/06/2604/07/26Renewal
Texas Medical Center Central Heating and Cooling Services Corporation O128802/06/2604/07/26Minor Revision
Arkema Inc. Arkema Beaumont PlantO163602/06/2604/07/26Minor Revision
DCP Operating Company LP Sonora Gas PlantO12502/13/2604/14/26Renewal
Nouryon Surface Chemistry LLC Nouryon Surface Chemistry Houston PlantO132802/13/2604/14/26Renewal
Owens Corning Roofing and Asphalt LLC Houston Roofing PlantO154302/13/2604/14/26Renewal
Northern Natural Gas Company Sunray Compressor StationO307502/13/2604/14/26Renewal
ET Gathering & Processing LLC Tippett Gas PlantO319002/13/2604/14/26Minor Revision
Chevron Phillips Chemical Company LP Polyethylene Units 40 and 41O396102/13/2604/14/26Minor Revision
Occidential Permian LtdO47322/20/2604/21/26Initial Issuance
Vantage Data Centers TX21 LLC Vantage TX 21O4790Comments received 02/03/26 

Initial Issuance

Comments received on 02/03/26 suspending EPA review

Ellwood Texas Forge LP Iron and Steel ForgingsO17602/20/2604/21/26Renewal
GenTex Power Corporation Lost Pines 1 Power PlantO19942/20/2604/21/26Renewal
Blue Cube Operations LLC Freeport OperationsO22082/20/2604/21/26Renewal
Exxon Mobil Corporation Mont Belvieu Plastics PlantO22762/20/2604/21/26Renewal
Scout Energy Management LLC Lynx Main & BO31612/20/2604/21/26Renewal
Temple Generation II LLC Temple IIO38512/20/2604/21/26Renewal
Bayport Polymers LLC Ethane CrackerO4161Comments received on 12/31/25 

Renewal

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

Temple Generation I LLC Temple IO35442/20/2604/21/26Renewal
CyrusOne LLC SAT1 FacilityO479302/27/2604/28/26Initial Issuance
Pactiv LLC Temple PlantO131202/27/2604/28/26Renewal
Jack A. Fusco Energy Center, LLCO233402/27/2604/28/26Renewal
Midcoast G & P East Texas LPO378802/27/2604/28/26Renewal
Citgo Refining and Chemicals Company LP Citgo Corpus Christi Refinery West PlantO142002/27/2604/28/26Minor Revision
Occidental Permian LtdO473303/06/2605/05/26Initial Issuance
US Department of the Air Force Joint Base San Antonio LacklandO139303/06/2605/05/26Renewal
Covestro LLC Aniline UnitO367403/06/2605/05/26Renewal
Ketjen LLC Utilities UnitO153703/06/2605/05/26Minor Revision
Rio Grande Valley Sugar Growers Inc. W.R. Cowley Sugar HouseO99503/13/2605/12/26Renewal
Lehigh White Cement Company LLC Lehigh White Cement Waco PlantO103503/13/2605/12/26Renewal
Indorama Ventures Oxides LLC F & G UnitsO132003/13/2605/12/26Renewal
The Dow Chemical Company Dow Texas Operations Freeport - HydrocarbonsO221303/13/2605/12/26Renewal
Ticona Polymers Inc  Bishop Facility GUR UnitO241303/13/2605/12/26Renewal
ExxonMobil Pipeline Company LLC ExxonMobil North Houston TerminalO302203/13/2605/12/26Renewal
West Fraser Wood Products New Boston Lumber MillO158503/13/2605/12/26Significant Revision
Midcoast G & P East Texas LP Plum Creek Treating FacilityO41103/13/2605/12/26Minor Revision
ETC North Permian Midstream LLC (ETC) Osprey Compressor StationO474303/23/2605/22/26Initial Issuance
Enterprise Products Operating LLC Mentone West Gas PlantO476303/23/2605/22/26Initial Issuance
Enterprise Refined Products Company LLCO180403/23/2605/22/26Renewal
El Paso Natural Gas Company LLC Waha Compressor StationO418303/23/2605/22/26Renewal
The Lubrizol Corporation Blending, Storage and LoadingO158103/23/2605/22/26Minor Revision
Delaware Processing LLC Tiger Compressor StationO423203/23/2605/22/26Minor 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 February 5, 2026
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