Dioxin and dioxin-like compounds
Dioxin and dioxin-like compounds releases at Westlake Vinyls INC fell from 89k lb to 25k lb (72% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Westlake Vinyls INC
Total reported releases 232k lb fell sharply year over year (-47%). Total releases concentrations have fallen 24% since 2010.
2468 IND US TRIAL PKWY, Calvert City, Kentucky · 325199 · Chemicals · operated by Westlake CORP
Anomaly engine
Notable Signals
Ethylene
Ethylene releases at Westlake Vinyls INC fell from 112k lb to 38k lb (66% lower) between 2023 and 2024.
1,2-Dichloroethane
1,2-Dichloroethane releases at Westlake Vinyls INC fell from 48k lb to 21k lb (56% lower) between 2023 and 2024.
Chlorine
Chlorine at Westlake Vinyls INC have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than doubled since 2010.
Ethylene
Ethylene concentrations have fallen 47% since 2010.
Dioxin and dioxin-like compounds
Dioxin and dioxin-like compounds concentrations have more than doubled since 2010.
1,2-Dichloroethane
1,2-Dichloroethane concentrations are up 25% since 2010.
Propylene
Propylene concentrations have more than halved since 2010.
Allyl alcohol
Allyl alcohol concentrations have more than doubled since 2019.
Benzene
Benzene concentrations are up 11% since 2010.
Chlorine
Chlorine concentrations have more than halved since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (4 Census block groups, population-weighted demographics): a population of 2,642. Why we surface this →
38.3%
Low-income
1.2%
People of color
3.0%
Under age 5
19.3%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.