Pollution in Harris County, Texas

Harris County contains 2,003 EPA-regulated facilities, 114 of which are currently flagged for significant noncompliance. The county also hosts 13 Superfund sites and 384 TRI chemical reporters. EPA has assessed $273.3M in lifetime penalties and TRI reporters disclosed roughly 33.4M lb of on-site releases. That facility count is well above the Texas state average of 49 per county.

Superfund13NPL sites
TRI Facilities384reporters
EPA Facilities2,003regulated
Sig. Violators114current SNC

Superfund sites

SiteCityStatus
Many Diversified Interests IncHoustonReady for anticipated reuse
Crystal Chemical CoHoustonConstruction complete
Patrick BayouDeer ParkListed on NPL
Sikes Disposal PitsCrosbyReady for anticipated reuse
French LtdCrosbyConstruction complete
Highlands Acid PitHighlandsConstruction complete
South Cavalcade StreetHoustonConstruction complete
Sol Lynn Industrial TransformersHoustonReady for anticipated reuse
North Cavalcade StreetHoustonConstruction complete
Geneva Industries Fuhrmann EnergyHoustonReady for anticipated reuse
Jones Road Ground Water PlumeHoustonCleanup underway
Us Oil RecoveryPasadenaListed on NPL
San Jacinto River Waste PitsChannelviewSuperfund site

Largest releasers

FacilityCityOn-site (lb)Status
Texas Molecular - Deer Park ServicesDeer Park14.1MPenalties
Lyondell Chemical ChannelviewChannelview3.0MSig. violation
Houston RefineryHouston2.2MPenalties
Exxonmobil Baytown RefineryBaytown2.0MSig. violation
Clean Harbors Deer Park LlcLa Porte2.0MPenalties
Baytown Olefins PlantBaytown1.5MSig. violation
Shell ChemicalDeer Park1.4MSig. violation
Chevron Phillips Chemical Company Lp - Cedar BayouBaytown1.2MSig. violation
Kuraray America VinylsLa Porte549.4kPenalties
Solvay Chemicals Deer Park PlantLa Porte495.5kCompliant
Dp Glycine Llc (Formerly Geo Specialty Chemicals)Deer Park411.3kPenalties
Lyondell Chemical - Bayport PlantPasadena310.9kPenalties
Ineos O&p Usa Llc - Battleground ManufacturingLa Porte248.5kSig. violation
Lyondellbasell Acetyls Llc (Formerly Millennium)Laporte225.9kSig. violation
Equistar Chemicals-LaporteLaporte223.3kSig. violation
Houston Refining LpHouston215.8kPenalties
Deer Park PlantDeer Park204.3kPenalties
Total Petrochemicals Usa, Inc. Bayport Hdpe PlantPasadena187.9kSig. violation
Houston Chemical PlantHouston173.8kSig. violation
Linde Gas North America Llc - Clearlake PlantPasadena138.8kPenalties
Braskem - La Porte PlantLa Porte132.5kPenalties
Pasadena Pvc PlantPasadena123.1kPenalties
Mega Lubricants FacilityHouston110.9kCompliant
Invista HoustonHouston106.4kPenalties
Total Petrochemicals & Refining Usa IncDeer Park101.7kSig. violation
Pasadena PlantPasadena96.9kPenalties
Pasadena Plastics ComplexPasadena93.5kPenalties
Agrifos Fertilizer L.l.c.Pasadena92.2kSig. violation
Royal Baths ManufacturingHouston70.6kCompliant
Ineos Americas Pasadena SitePasadena68.7kSig. violation
Texas PetrochemicalsHouston62.1kSig. violation
Grace Pasadena Catalyst SitePasadena61.1kSig. violation
NoltexLa Porte54.8kPenalties
Eco Services Operations HoustonHouston52.3kPenalties
Galena ParkGalena Park52.0kSig. violation
KetjenPasadena51.5kPenalties
Hobas Pipe UsaHouston51.4kCompliant
Anheuser-Busch Houston BreweryHouston49.6kCompliant
Kuraray America, IncPasadena48.9kSig. violation
The Lubrizol Corporation, Deer Park PlantDeer Park42.7kSig. violation
Equistar ChemicalsPasadena41.4kSig. violation
Oxy Vinyls Lp - La Porte Vcm PlantLa Porte36.7kPenalties
Pasadena Performance ProductsPasadena33.0kCompliant
Oxy Vinyls Lp - Deer Park PvcDeer Park32.9kPenalties
Chemours La Porte PlantLa Porte31.3kPenalties
Sekisui Specialty Chemicals America Llc. - Pasadena PlantPasadena30.4kPenalties
Sasol Chemicals - Greens Bayou PlantHouston27.7kPenalties
Kaneka North America LlcPasadena27.7kPenalties
Clear Lake PlantPasadena27.4kCompliant
Precoat MetalsHouston27.3kCompliant

Significant violators

FacilityCityPenaltiesLast Inspected
Texas PetrochemicalsHouston$12.2M2024-02-14
Equistar Chemicals-LaporteLaporte$4.2M2025-11-13
Chevron Phillips Chemical Company Lp - Cedar BayouBaytown$3.6M2024-12-17
Lyondell Chemical ChannelviewChannelview$3.6M2025-08-04
Lyondellbasell Acetyls Llc (Formerly Millennium)Laporte$3.4M2023-08-11
Pasadena Refining System, Inc.Pasadena$2.8M2026-02-27
Baytown Olefins PlantBaytown$2.2M2025-11-04
Equistar ChemicalsPasadena$1.4M2025-08-19
Ineos O&p Usa Llc - Battleground ManufacturingLa Porte$1.3M2025-02-20
The Lubrizol Corporation, Deer Park PlantDeer Park$897.3k2025-12-11
Shell ChemicalDeer Park$614.4k2025-02-20
Equistar Chemicals Lp - Channelview FacilityChannelview$581.7k2025-02-26
Ineos Americas Pasadena SitePasadena$513.0k2025-02-06
Galena ParkGalena Park$505.4k2025-11-19
Pasadena TerminalPasadena$476.5k2025-12-15
Total Petrochemicals & Refining Usa IncDeer Park$317.3k2025-02-27
Exxonmobil Baytown RefineryBaytown$156.1k2025-09-23
Kuraray America, IncPasadena$134.6k2023-03-15
Houston Chemical PlantHouston$131.3k2025-10-07
Odfjell Seabrook TerminalSeabrook$123.4k2024-05-31
Ineos Styrolution America Bayport PlantPasadena$121.7k2025-05-20
Grace Pasadena Catalyst SitePasadena$90.3k2024-11-05
Enterprise Morgan's Point ComplexLa Porte$87.5k2025-11-13
Total Petrochemicals Usa, Inc. Bayport Hdpe PlantPasadena$70.8k2025-06-11
Barge Cleaning And RepairChannelview$66.5k2024-12-05
Houston Ship Channel FacilityHouston$64.5k2025-12-03
Agrifos Fertilizer L.l.c.Pasadena$64.0k2025-11-18
Deer Park TerminalLa Porte$58.1k2025-12-10
Gulf Coast Waste Disposal Authority - Bayport FacilityPasadena$55.4k2024-07-31
Battleground Oil Specialty TerminalLa Porte$43.0k2023-12-19
Lyondellbasell Acetyls Llc, La Porte Methanol PlantLa Porte$36.0k2023-08-30
Arcanum Baytown SiteBaytown$23.8k
Dupont La Porte PlantLa Porte$17.5k2025-10-27
Middlesteadt Shopping Center WwtpCity Of Houston$15.0k2026-01-08
Us Oil North Houston TerminalHouston$6.5k2024-05-20
Raven PlantBaytown$6.4k
Trail Of The Lakes Mud WwtpHouston$5.8k2025-04-21
Transco Railway ProductsHouston$4.2k2024-06-28
New Houtex Ready MixHouston$3.6k
Strack WwtpHouston$1.1k2021-08-30
Nw Harris County Mud #10 Wastewater PlantCypress$5002025-08-05
Villa Utilities-PlantBaytown$0
Reed Estates Water System$0
Slay TransportationHouston$02024-08-20
Premix Ready MixHockley$0
U.s. Oil RecoveryPasadena$02009-12-01
Nick Food MartSugar Land$0
Whitney Oil & Gas, Llc (Boem Id=03368 Platform=1173-1)Houston$02024-09-24
Bj ServicesTomball$02020-01-16
Monforte Exploration, LlcHouston$0