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Of the 165 permits in EPA's SIC 28 in TX, 75 went over a limit between 2025-10-01 and 2026-09-30 (Enterococci: 15; Solids, total suspended: 13; pH: 11); 4 have no reports in EPA's file for that window. 50 are past the expiry date EPA's file holds; 34 have a renewal application overdue or due within 18 months. EPA's file of 2026-10-15.
| Facility | Last 12 months | Permit |
|---|---|---|
| SI GROUP INC TX0087254 · Industrial Organic Chemicals | Over a limit 16×: Whole Effluent Toxicity [WET] - C. dubia (12×), Whole Effluent Toxicity [WET] - P. promelas (4×) | Expires Feb 28, 2029 |
| SHELL CHEMICAL LP TX0004863 · major · Plastics Materials And Resins | Over a limit 13×: Enterococci (9×), Zinc, total [as Zn] (3×), BOD, 5-day, 20 deg. C (1×) | Renewal application due Apr 8, 2028 |
| SCHLUMBERGER TECHNOLOGY CORPORATION TX0078646 · Explosives | Over a limit 12×: Copper, total [as Cu] (9×), E. coli (2×), pH (1×) | Expires May 24, 2029 |
| INEOS USA LLC TX0004821 · major · Plastics Materials And Resins | Over a limit 11×: Enterococci (6×), Temperature, water deg. fahrenheit (2×), Oil & Grease (2×) | Renewal application due Jan 1, 2028 |
| AIR LIQUIDE LARGE INDUSTRIES US LP TX0140520 · Industrial Gases | Over a limit 10×: pH (6×), Copper, total [as Cu] (2×), Solids, total suspended (2×) | Permit past the expiry date EPA's file holds |
| INDORAMA VENTURES OXIDES LLC TX0005070 · major · Industrial Organic Chemicals | Over a limit 10×: BOD, carbonaceous [5 day, 20 C] (4×), BOD, 5-day, 20 deg. C (2×), Oxygen demand, chem. [high level] [COD] (2×) | Renewal application due Mar 18, 2028 |
| G-3 CHICKADEE PURCHASER LLC TX0003689 · major · Synthetic Rubber | Over a limit 9×: Solids, total suspended (7×), Cyanide, free [amenable to chlorination] (2×) | Expires Apr 2, 2029 |
| LCY ELASTOMERS LP TX0128015 · major · Synthetic Rubber | Over a limit 8×: Zinc, total [as Zn] (6×), Whole Effluent Toxicity [WET] - C. dubia (2×) | Expires Aug 6, 2029 |
| EQUISTAR CHEMICALS, LP AND LYONDELLBASELL ACETYLS, LLC TX0119792 · major · Industrial Organic Chemicals | Over a limit 7×: Copper, total [as Cu] (6×), Solids, total suspended (1×) | Permit past the expiry date EPA's file holds |
| INV PROPYLENE LLC TX0006068 · major · Industrial Organic Chemicals | Over a limit 7×: Benzene (2×), Copper, total [as Cu] (2×), Cyanide, free [as free] (2×) | Renewal application due Dec 26, 2027 |
| LINDE INC TX0003239 · Industrial Gases | Over a limit 7×: Copper, total [as Cu] (5×), E. coli (2×) | Expires Jul 23, 2029 |
| LION ELASTOMERS ORANGE, LLC TX0002968 · major · Synthetic Rubber | Over a limit 7×: Enterococci (3×), BOD, carbonaceous [5 day, 20 C] (3×), Oxygen, dissolved [DO] (1×) | Renewal application due Oct 31, 2026 |
| BRASKEM AMERICA INC TX0074276 · major · Plastics Materials And Resins | Over a limit 6×: Oxygen demand, chem. [high level] [COD] (2×), pH (2×), Whole Effluent Toxicity [WET] - Americamysis bahia (formerly Mysidopsis bahia) (2×) | Expires Aug 21, 2029 |
| CEDAR PNID AND SUMIKA SEMICONDUCTOR MATERIALS TEXAS INC TX0144355 · Industrial Organic Chemicals | Over a limit 6×: BOD, 5-day, 20 deg. C (3×), Flow, in conduit or thru treatment plant (2×), Carbon tetrachloride (1×) | Expires Jan 2, 2029 |
| HUNTSMAN PETROCHEMICAL LLC TX0005592 · major · Industrial Organic Chemicals | Over a limit 6×: Whole Effluent Toxicity [WET] - C. dubia (6×) | Renewal application due May 1, 2027 |
| MONUMENT CHEMICAL PORT ARTHUR LLC TX0116360 · Industrial Organic Chemicals | Over a limit 6×: BOD, 5-day, 20 deg. C (4×), Naphthalene (1×), pH (1×) | Expires Jan 5, 2029 |
| OCI CLEAN AMMONIA LLC TX0145165 · Nitrogenous Fertilizers | Over a limit 6×: pH (5×), Flow, in conduit or thru treatment plant (1×) | Expires Jun 19, 2030 |
| RAVEN BUTENE-1 LLC TX0137910 · Industrial Organic Chemicals | Over a limit 6×: Solids, total suspended (6×) | Renewal application due Jan 23, 2028 |
| AIR PRODUCTS INDUSTRIAL GAS LLC TX0137839 · Nitrogenous Fertilizers | Over a limit 4×: Solids, total suspended (3×), pH (1×) | Expires Nov 25, 2029 |
| ASCEND PERFORMANCE MATERIALS TEXAS INC TX0003875 · major · Industrial Organic Chemicals | Over a limit 4×: Chloroform (1×), pH (1×), Solids, total suspended (1×) | Permit past the expiry date EPA's file holds |
| EXXONMOBIL OIL CORPORATION TX0068934 · major · Plastics Materials And Resins | Over a limit 4×: E. coli (4×) | Permit past the expiry date EPA's file holds |
| G-3 CHICKADEE PURCHASER LLC TX0005061 · major · Synthetic Rubber | Over a limit 4×: Whole Effluent Toxicity [WET] - P. promelas (4×) | Permit past the expiry date EPA's file holds |
| LINDE, INC TX0088510 · Industrial Gases | Over a limit 4×: Enterococci (4×) | Permit past the expiry date EPA's file holds |
| NALCO PRODUCTION, LLC TX0112461 · Industrial Organic Chemicals | Over a limit 4×: BOD, 5-day, 20 deg. C (2×), Solids, total suspended (2×) | Permit past the expiry date EPA's file holds |
| SYENSQO USA LLC TX0088781 · major · Chemical Preparations | Over a limit 4×: BOD, carbonaceous [5 day, 20 C] (3×), Oxygen, dissolved [DO] (1×) | Expires Jan 8, 2031 |
| TOTALENERGIES PETROCHEMICALS & REFINING USA INC TX0007421 · major · Plastics Materials And Resins | Over a limit 4×: Flow, in conduit or thru treatment plant (1×), pH (1×), Temperature, water deg. fahrenheit (1×) | Permit past the expiry date EPA's file holds |
| AIR PRODUCTS LLC TX0004944 · Industrial Gases | Over a limit 3×: Oxygen demand, chem. [high level] [COD] (1×), pH (1×), Oil & Grease (1×) | Renewal application due Jan 13, 2028 |
| CHEMOURS COMPANY FC LLC, THE TX0008907 · major · Industrial Organic Chemicals | Over a limit 3×: Copper, total [as Cu] (2×), Solids, total suspended (1×) | Expires Apr 11, 2030 |
| CHENIERE LAND HOLDINGS LLC TX0125857 · major · Industrial Inorganic Chemicals | Over a limit 3×: Enterococci (3×) | Renewal application overdue |
| CHEVRON PHILLIPS CHEMICAL COMPANY, LP TX0095869 · Industrial Organic Chemicals | Over a limit 3×: Toluene (1×), Phenol (1×), Naphthalene (1×) | Permit past the expiry date EPA's file holds |
| DOW HYDROCARBONS AND RESOURCES LLC+ TX0006483 · major · Industrial Organic Chemicals | Over a limit 3×: Total purgeable halocarbons (2×), Solids, total suspended (1×) | Permit past the expiry date EPA's file holds |
| ENTERPRISE PRODUCTS OPERATING LLC TX0134465 · major · Industrial Organic Chemicals | Over a limit 3×: Zinc, total [as Zn] (3×) | Permit past the expiry date EPA's file holds |
| ENTERPRISE PRODUCTS OPERATING LLC TX0139076 · Industrial Organic Chemicals | Over a limit 3×: Sulfate, total [as SO4] (2×), Solids, total dissolved (1×) | Expires Jan 15, 2030 |
| EQUISTAR CHEMICALS, LP TX0076996 · major · Industrial Organic Chemicals | Over a limit 3×: Enterococci (2×), Carbon, tot organic [TOC] (1×) | Permit past the expiry date EPA's file holds |
| SASOL CHEMICALS USA LLC TX0005584 · Cyclic Crudes And Intermediates | Over a limit 3×: Carbon, tot organic [TOC] (3×) | Expires Nov 30, 2028 |
| SHINTECH INCORPORATED TX0053813 · major · Plastics Materials And Resins | Over a limit 3×: Enterococci (1×), BOD, 5-day, 20 deg. C (1×), pH range excursions, > 60 minutes (1×) | Expires Jun 12, 2031 |
| SOLSTICE ADVANCED MATERIALS US INC TX0007897 · major · Plastics Materials And Resins | Over a limit 3×: BOD, 5-day, 20 deg. C (2×), Solids, total suspended (1×) | Permit past the expiry date EPA's file holds |
| TICONA POLYMERS INC TX0006025 · major · Industrial Organic Chemicals | Over a limit 3×: E. coli (3×) | Permit past the expiry date EPA's file holds |
| ALCOA WORLD ALUMINA LLC TX0004715 · major · Industrial Inorganic Chemicals | Over a limit 2×: pH (1×), pH range excursions, > 60 minutes (1×) | Renewal application overdue |
| BASF CORPORATION TX0008788 · major · Plastics Materials And Resins | Over a limit 2×: Nitrogen, ammonia total [as N] (2×) | Permit past the expiry date EPA's file holds |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP TX0003948 · major · Plastics Materials And Resins | Over a limit 2×: Chloroform (1×), Oil & Grease (1×) | Expires Jan 24, 2030 |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP TX0007552 · major · Plastics Materials And Resins | Over a limit 2×: Enterococci (2×) | Renewal application due Aug 27, 2027 |
| DSM NUTRITIONAL PRODUCTS, INC. TX0064912 · Medicinals And Botanicals | Over a limit 2×: Enterococci (2×) | Permit past the expiry date EPA's file holds |
| EQUISTAR CHEMICALS LP TX0003531 · major · Industrial Organic Chemicals | Over a limit 2×: Enterococci (2×) | Permit past the expiry date EPA's file holds |
| JEFFERSON TERMINAL SOUTH LLC TX0004669 · major · Industrial Organic Chemicals | Over a limit 2×: Chloroform (1×), Cyanide, free [as free] (1×) | Expires Apr 7, 2029 |
| LAMBERTI USA INCORPORATED TX0086363 · Chemical Preparations | Over a limit 2×: E. coli (2×) | Expires May 20, 2030 |
| LINDE INC TX0125831 · Industrial Gases | Over a limit 2×: Flow, in conduit or thru treatment plant (2×) | Expires Oct 25, 2029 |
| LION ELASTOMERS LLC TX0087602 · Synthetic Rubber | Over a limit 2×: Flow [dry weather] (2×) | Renewal application overdue |
| LYONDELLBASELL ACETYLS LLC TX0118389 · Industrial Organic Chemicals | Over a limit 2×: Oil & Grease (1×), Carbon, tot organic [TOC] (1×) | Renewal application due Feb 25, 2027 |
| MESSER LLC TX0135101 · Industrial Gases | Over a limit 2×: Copper, total [as Cu] (2×) | Expires Jun 11, 2031 |
| MONUMENT CHEMICAL HOUSTON LLC TX0085979 · Industrial Organic Chemicals | Over a limit 2×: Oil & Grease (1×), Carbon, tot organic [TOC] (1×) | Expires Nov 16, 2028 |
| NATGASOLINE LLC TX0135836 · Industrial Organic Chemicals | Over a limit 2×: pH range excursions, > 60 minutes (1×), pH range excursions, monthly total accum (1×) | Permit past the expiry date EPA's file holds |
| PLAINVIEW BIOENERGY LLC TX0132705 · Industrial Organic Chemicals | Over a limit 2×: Copper, total [as Cu] (1×), Solids, total suspended (1×) | Expires Jul 19, 2029 |
| THE DOW CHEMICAL COMPANY TX0006327 · major · Industrial Organic Chemicals | Over a limit 2×: Zinc, total [as Zn] (2×) | Permit past the expiry date EPA's file holds |
| AIR LIQUID LARGE INDUSTRIES US LP TX0007277 · Industrial Gases | Over a limit 1×: Flow, in conduit or thru treatment plant (1×) | Renewal application overdue |
| AIRGAS USA LLC TX0136638 · Industrial Gases | Over a limit 1×: Solids, total suspended (1×) | Expires Dec 12, 2030 |
| ALTIVIA OXIDE CHEMICALS LLC TX0095559 · Industrial Organic Chemicals | Over a limit 1×: Zinc, total [as Zn] (1×) | Expires Sep 6, 2029 |
| BAYPORT POLYMERS LLC TX0137855 · Industrial Organic Chemicals | Over a limit 1×: Flow, in conduit or thru treatment plant (1×) | Expires May 31, 2029 |
| CHEVRON PHILLIPSCHEMICALCOMP TX0004839 · major · Plastics Materials And Resins | Over a limit 1×: Temperature, water deg. fahrenheit (1×) | Permit past the expiry date EPA's file holds |
| DOW HYDROCARBONS AND RESOURCES LLC+ TX0002844 · major · Industrial Organic Chemicals | Over a limit 1×: Flow [dry weather] (1×) | Permit past the expiry date EPA's file holds |
| DOW HYDROCARBONS AND RESOURCES LLC+ TX0002852 · Industrial Organic Chemicals | Over a limit 1×: Oil & Grease (1×) | Expires Nov 18, 2029 |
| FRANTZ, JOHN EDWARD+ TX0004961 · major · Industrial Organic Chemicals | Over a limit 1×: Oil & Grease (1×) | Permit past the expiry date EPA's file holds |
| INEOS CALABRIAN CORPORATION TX0062448 · Industrial Inorganic Chemicals | Over a limit 1×: Solids, total suspended (1×) | Renewal application due Nov 14, 2027 |
| INV NYLON CHEMICALS AMERICAS, LLC TX0006050 · major · Industrial Organic Chemicals | Over a limit 1×: Carbon, tot organic [TOC] (1×) | Expires Oct 27, 2028 |
| LINDE INC TX0136671 · Industrial Gases | Over a limit 1×: Flow [dry weather] (1×) | Expires May 9, 2030 |
| LYONDELL CHEMICAL COMPANY TX0030228 · Industrial Organic Chemicals | Over a limit 1×: Carbon, tot organic [TOC] (1×) | Expires May 10, 2029 |
| NOURYON CHEMICALS LLC+ TX0006688 · Industrial Organic Chemicals | Over a limit 1×: Enterococci (1×) | Expires Mar 17, 2031 |
| ORION ENGINEERED CARBONS LLC TX0007544 · Carbon Black | Over a limit 1×: Carbon, tot organic [TOC] (1×) | Permit past the expiry date EPA's file holds |
| OXY VINYLS LP TX0006335 · major · Plastics Materials And Resins | Over a limit 1×: Enterococci (1×) | Expires Oct 28, 2030 |
| OXY VINYLS LP TX0007412 · major · Plastics Materials And Resins | Over a limit 1×: pH (1×) | Renewal application due Jun 3, 2027 |
| PCI NITROGEN LLC TX0007285 · Phosphatic Fertilizers | Over a limit 1×: Enterococci (1×) | Renewal application due Jun 22, 2027 |
| ROHM & HAAS TEXAS INCORPORATED TX0006084 · major · Industrial Organic Chemicals | Over a limit 1×: Enterococci (1×) | Renewal application due Oct 8, 2027 |
| SHIN-ETSU SILICONES OF AMERICA INC TX0124427 · major · Industrial Organic Chemicals | Over a limit 1×: Enterococci (1×) | Expires Sep 24, 2029 |
| TRECORA HYDROCARBONS LLC TX0003204 · major · Industrial Organic Chemicals | Over a limit 1×: Flow, in conduit or thru treatment plant (1×) | Expires Aug 9, 2029 |
| VENCOREX US INC TX0008737 · Industrial Organic Chemicals | Over a limit 1×: Sulfate, total [as SO4] (1×) | Expires Dec 18, 2030 |
| AIR LIQUIDE LARGE INDUSTRIES US LP TX0065021 · Industrial Gases | No value over a limit | Expires Feb 24, 2031 |
| AIR LIQUIDE LARGE INDUSTRIES US LP TX0086398 · Industrial Gases | No value over a limit | Permit past the expiry date EPA's file holds |
| AIR LIQUIDE LARGE INDUSTRIES US LP TX0102296 · Industrial Gases | No value over a limit | Permit past the expiry date EPA's file holds |
| ALBEMARLE CORPORATION TX0004731 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| AMERICAN CHROME & CHEMICALS NA INC TX0004685 · major · Inorganic Pigments | No value over a limit | Expires Sep 16, 2029 |
| AMOCO REMEDIATION MANAGEMENT SERVICE CORPORATION TX0137286 · Phosphatic Fertilizers | No value over a limit | Renewal application overdue |
| ARKEMA INC TX0007064 · major · Industrial Organic Chemicals | No value over a limit | Expires Jan 15, 2029 |
| ARKEMA INC. TX0052825 · Industrial Organic Chemicals | No value over a limit | Renewal application overdue |
| ARLANXEO USA LLC TX0003654 · major · Synthetic Rubber | No value over a limit | Expires Jun 2, 2030 |
| BASF AGRICULTURAL SOLUTIONS US LLC TX0003671 · Agricultural Chemicals | No value over a limit; 24 required values not reported | Expires Oct 24, 2030 |
| BASF TOTAL ENERGIES PETROCHEMICALS LLC TX0119369 · Industrial Organic Chemicals | No value over a limit | Expires Apr 26, 2029 |
| BRENNTAG SOUTHWEST LLC TX0116076 · Industrial Organic Chemicals | No value over a limit | Expires Feb 28, 2030 |
| CHAMPIONX LLC TX0008761 · Industrial Organic Chemicals | No value over a limit | Expires Feb 3, 2030 |
| CHEMICALS INCORPORATED TX0118427 · Industrial Organic Chemicals | No value over a limit | Expires Jun 12, 2031 |
| CHEMICALS INCORPORATED TX0133710 · Industrial Organic Chemicals | No value over a limit | Renewal application overdue |
| CHEMTRADE REFINERY SERVICES INC TX0006726 · Industrial Inorganic Chemicals | No value over a limit | Renewal application due Jan 13, 2027 |
| CHENIERE LAND HOLDINGS LLC TX0125989 · Industrial Inorganic Chemicals | No reports in EPA's file for the window | Expires Mar 8, 2029 |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP TX0087190 · Chemical Preparations | No value over a limit | Expires Feb 28, 2029 |
| CHEVRON PHILLIPS CHEMICAL COMPANY LP TX0135917 · major · Plastics Materials And Resins | No value over a limit | Permit past the expiry date EPA's file holds |
| CORPUS CHRISTI POLYMERS LLC TX0134635 · major · Plastics Materials And Resins | No reports in EPA's file for the window | Expires Nov 4, 2029 |
| COVESTRO LLC TX0002798 · major · Industrial Organic Chemicals | No value over a limit | Renewal application due May 4, 2027 |
| CSA LIMITED INC TX0063878 · Chemical Preparations | No value over a limit; 168 required values not reported | Renewal application due Oct 23, 2027 |
| DEER PARK GLYCINE LLC TX0089567 · Industrial Organic Chemicals | No value over a limit | Expires Oct 19, 2028 |
| DIXIE CHEMICAL COMPANY, INC. TX0125644 · Industrial Organic Chemicals | No value over a limit | Expires Jan 31, 2029 |
| DOW CHEMICAL COMPANY, THE TX0002933 · major · Industrial Organic Chemicals | No reports in EPA's file for the window | Permit past the expiry date EPA's file holds |
| EASTMAN CHEMICAL COMPANY TX0000949 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| ECO SERVICES OPERATIONS CORP TX0007072 · major · Industrial Inorganic Chemicals | No value over a limit | Expires Oct 25, 2029 |
| ENTERPRISE PRODUCTS OPERATING LLC TX0102326 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| ENTERPRISE PRODUCTS OPERATING LLC TX0131768 · Industrial Organic Chemicals | No value over a limit | Expires Jan 19, 2029 |
| ENTERPRISE PRODUCTS OPERATING LLC TX0141020 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| EQUISTAR CHEMICALS, LP TX0087173 · major · Plastics Materials And Resins | No value over a limit | Permit past the expiry date EPA's file holds |
| ETHYL CORPORATION TX0113450 · Industrial Organic Chemicals | No value over a limit | Expires Oct 30, 2028 |
| EXXON MOBIL CORPORATION TX0007013 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| EXXON MOBIL CORPORATION TX0077887 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| EXXON MOBIL CORPORATION TX0089125 · major · Plastics Materials And Resins | No value over a limit | Expires Mar 26, 2031 |
| EXXONMOBIL OIL CORPORATION TX0004227 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| FOREMARK PERFORMANCE CHEMICALS INC TX0122335 · Industrial Organic Chemicals | No value over a limit | Expires Feb 10, 2030 |
| FORMOSA PLASTICS CORPORATION, TEXAS TX0085570 · major · Plastics Materials And Resins | No value over a limit | Permit past the expiry date EPA's file holds |
| GOLDEN TRIANGLE POLYMERS COMPANY LLC TX0139840 · Plastics Materials And Resins | No value over a limit | Expires Mar 20, 2030 |
| GOLDEN TRIANGLE POLYMERS COMPANY LLC TX0144690 · Plastics Materials And Resins | No value over a limit | Expires Sep 17, 2030 |
| GULF COAST GROWTH VENTURES LLC TX0137715 · major · Plastics Materials And Resins | No value over a limit; 2 required values not reported | Expires Mar 4, 2029 |
| INEOS ACETYLS CHEMICALS TEXAS CITY INC TX0005762 · major · Industrial Gases | No value over a limit | Expires Jun 8, 2031 |
| INEOS AMERICAS LLC TX0072320 · major · Cyclic Crudes And Intermediates | No value over a limit; 12 required values not reported | Renewal application overdue |
| INEOS AMERICAS LLC TX0103900 · Industrial Organic Chemicals | No value over a limit | Renewal application due Jan 1, 2027 |
| INEOS NITRILES USA, LLC TX0077577 · major · Industrial Organic Chemicals | No value over a limit | Renewal application due Jan 15, 2027 |
| INEOS US CHEMICALS COMPANY TX0004766 · Cyclic Crudes And Intermediates | No value over a limit | Expires Jun 12, 2031 |
| INEOS USA LLC TX0006033 · major · Plastics Materials And Resins | No value over a limit | Permit past the expiry date EPA's file holds |
| ISP TECHNOLOGIES INC TX0007323 · Industrial Organic Chemicals | No value over a limit | Expires Jun 26, 2029 |
| LAPORTE RAIL AND TERMINAL LLC TX0007293 · major · Industrial Inorganic Chemicals | No value over a limit | Expires Aug 20, 2029 |
| LIDEN INC TX0145106 · Industrial Gases | No value over a limit | Expires Nov 20, 2030 |
| LINDE INC TX0124401 · Industrial Gases | No value over a limit | Expires Apr 6, 2031 |
| LUBRIZOL CORPORATION, THE TX0007048 · major · Industrial Organic Chemicals | No value over a limit | Renewal application due Apr 20, 2027 |
| LYONDELL CHEMICAL COMPANY TX0069493 · major · Cyclic Crudes And Intermediates | No value over a limit; 5 required values not reported | Expires Dec 2, 2030 |
| MARTIN OPERATING PARTNERSHIP LP TX0003662 · Industrial Inorganic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| MATHESON TRI-GAS INC TX0118745 · Industrial Gases | No value over a limit | Renewal application overdue |
| METTON AMERICA INC TX0084808 · Plastics Materials And Resins | No value over a limit | Expires Jan 3, 2029 |
| MITSUBISHI CHEMICAL AMERICA INC TX0138941 · Plastics Materials And Resins | No value over a limit | Expires May 6, 2031 |
| MODERN DAY REALTY LLC TX0005860 · major · Industrial Organic Chemicals | No value over a limit; 26 required values not reported | Permit past the expiry date EPA's file holds |
| MONUMENT CHEMICAL BAYTOWN LLC TX0059285 · Industrial Organic Chemicals | No value over a limit | Expires Sep 22, 2030 |
| MONUMENT CHEMICAL PORT ARTHUR LLC TX0136034 · Industrial Organic Chemicals | No value over a limit | Renewal application due Mar 15, 2028 |
| MOTIVA ENTERPRISES LLC TX0105287 · Industrial Organic Chemicals | No value over a limit | Expires Oct 16, 2029 |
| MPM SILICONES LLC TX0108367 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| MULTICHEM GROUP, LLC TX0133884 · Chemical Preparations | No value over a limit | Expires May 6, 2031 |
| NALCO PRODUCTION, LLC TX0102822 · Chemical Preparations | No value over a limit | Expires Jul 10, 2031 |
| NASHTEC LLC TX0137481 · Industrial Inorganic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| NORIT AMERICAS INC TX0000710 · major · Industrial Inorganic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| OCCIDENTAL CHEMIAL CORPORATION TX0104876 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| ORION ENGINEERED CARBONS, LLC TX0127051 · Carbon Black | No value over a limit | Permit past the expiry date EPA's file holds |
| OXEA CORPORATION TX0006017 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| OXY VINYLS LP TX0008150 · major · Alkalies And Chlorine | No value over a limit | Permit past the expiry date EPA's file holds |
| OXY VINYLS LP TX0070416 · major · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| PAX ESSENTIAL LLC TX0001856 · Gum And Wood Chemicals | No value over a limit | Expires Jul 8, 2031 |
| PETRA NOVA CCS I LLC TX0135763 · Industrial Gases | No value over a limit | Expires Jun 19, 2030 |
| PILOT INDUSTRIES OF TEXAS INC TX0060933 · Cyclic Crudes And Intermediates | No value over a limit; 34 required values not reported | Expires Feb 13, 2030 |
| POLYNT COMPOSITES USA, INC TX0072818 · Plastics Materials And Resins | No value over a limit; 3 required values not reported | Renewal application overdue |
| RAIL AND INFRASTRUCTURE GROUP LLC TX0072168 · Industrial Organic Chemicals | No value over a limit | Renewal application due Feb 16, 2027 |
| RETERRA CORPORATION AND 1503 HADEN ROAD, LLC TX0005576 · major · Chemical Preparations | No reports in EPA's file for the window | Expires Mar 6, 2030 |
| SI GROUP INC TX0067946 · Industrial Organic Chemicals | No value over a limit; 1 required values not reported | Expires Jan 2, 2030 |
| SOLVAY CHEMICALS INC TX0087971 · Industrial Inorganic Chemicals | No value over a limit | Expires May 21, 2030 |
| SOUTH ATLANTIC SERVICES INC TX0133027 · Chemical Preparations | No value over a limit | Renewal application due Dec 22, 2027 |
| SOUTH ATLANTIC SERVICES INC TX0135186 · Chemical Preparations | No value over a limit | Expires Feb 3, 2030 |
| SYNGENTA CROP PROTECTION LLC TX0007439 · major · Agricultural Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| SYNTECH CHEMICALS, INC. TX0117811 · Chemical Preparations | No value over a limit | Expires Feb 27, 2029 |
| TESLA INC TX0144541 · Industrial Inorganic Chemicals | No value over a limit | Expires Jan 15, 2030 |
| THE DOW CHEMICAL COMPANY TX0146391 · Industrial Organic Chemicals | No value over a limit | Expires Aug 19, 2030 |
| THE LUBRIZOL CORPORATION TX0091227 · Industrial Organic Chemicals | No value over a limit | Expires Jan 19, 2029 |
| TIB ZINC CHEMICALS LLC TX0046906 · Industrial Inorganic Chemicals | No value over a limit | Expires Jan 12, 2031 |
| TPC GROUP LLC TX0129887 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
| USALCO LLC TX0137413 · Industrial Inorganic Chemicals | No value over a limit | Renewal application overdue |
| W E HEREFORD LLC TX0137626 · Industrial Organic Chemicals | No value over a limit | Permit past the expiry date EPA's file holds |
The record is EPA's ICIS-NPDES file of 2026-10-15: values filed against each limit between Oct 1, 2025 and Sep 30, 2026. No reports on file may be EPA's gap, not the facility's.
For programs and AI agents: this screen as JSON at /api/v1/permits?state=TX&sic=28, narrowed with &over_limit=true, ¶meter=phosphorus or &renewal=due; or add https://passage-data.com/mcp as a remote MCP server (tool list_permits). Free, no key. llms.txt
From EPA's ECHO data, not the permit document itself: your permit is the final word. All states