Facility profile
Westlake Chemicals & Vinyls Llc
Significant noncompliance across 8 of the last 12 quarters, with $340,000 in recorded penalties.
Noncompliance quarters
8
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$340,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-09-24
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 73,180 lbs | 0 lbs | 0 lbs | 73,180 lbs |
| 2023 | 13,757 lbs | 0 lbs | 0 lbs | 13,757 lbs |
| 2024 | 16,536 lbs | 0 lbs | 0 lbs | 16,536 lbs |
Chemical breakdown
What this facility is reporting
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Vinyl chloride
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phthalic anhydride
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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Antimony compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dioxin and dioxin-like compounds
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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Zinc compounds
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
Significant noncompliance across 8 of the last 12 quarters, with $340,000 in recorded penalties.