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Facility profile

Westlake Vinyls Co Lp

No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.

No Violation Identified Chemicals TRI + Clean Air Act + Clean Water Act + RCRA 110000746328 Ascension County
Noncompliance quarters
2

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2026-02-25

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 178,798 lbs 88 lbs 0 lbs 178,886 lbs
2023 123,067 lbs 38 lbs 0 lbs 123,106 lbs
2024 168,036 lbs 73 lbs 0 lbs 168,109 lbs
Chemical breakdown

What this facility is reporting

  • air 54,267 lbs

    1, 2-Dichloroethane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 31,737 lbs

    Chloroform

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 24,740 lbs

    Vinyl chloride

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 14,733 lbs

    Ammonia

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 11,700 lbs

    Methanol

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 7,688 lbs

    Carbon tetrachloride

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 6,710 lbs

    Ethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 3,183 lbs

    Chloroethane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 2,760 lbs

    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.

  • air 1,780 lbs

    1, 1, 2-Trichloroethane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,710 lbs

    Chlorine

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,625 lbs

    Ethylidene dichloride

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,502 lbs

    Propylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,205 lbs

    Trichloroethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 570 lbs

    1, 1, 2, 2-Tetrachloroethane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 465 lbs

    Benzene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 441 lbs

    Vinylidene chloride

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 429 lbs

    Tetrachloroethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 371 lbs

    Formaldehyde

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 325 lbs

    Toluene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 65 lbs

    1, 2-Dichloroethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 55 lbs

    Chlorobenzene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 30 lbs

    Ethylene oxide

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 15 lbs

    Chloroprene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 3 lbs

    Dioxin and dioxin-like compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Polycyclic aromatic compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Acetophenone

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Bis(2-chloroethyl) ether

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Sodium nitrite

    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

No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.

No Violation Identified Last recorded inspection: 2026-02-25.