Facility profile
Westlake Petrochemical Lp
Violation Identified across 5 of the last 12 quarters, with $2,250,000 in recorded penalties.
Noncompliance quarters
5
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$2,250,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-05-13
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are higher in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 50,751 lbs | 107 lbs | 0 lbs | 50,858 lbs |
| 2023 | 47,702 lbs | 833 lbs | 0 lbs | 48,535 lbs |
| 2024 | 171,975 lbs | 267 lbs | 0 lbs | 172,242 lbs |
Chemical breakdown
What this facility is reporting
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Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 3-Butadiene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Styrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Maleic anhydride
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Xylene (mixed isomers)
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chlorine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Biphenyl
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cumene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dinitrobutyl phenol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methyl tert-butyl ether
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Bromine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chlorine dioxide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene glycol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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S, S, S-Tributyltrithiophosphate
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Violation Identified across 5 of the last 12 quarters, with $2,250,000 in recorded penalties.