Toluene
Toluene releases at Wilcox Gas Plant rose from 2k lb to 15k lb (6.6×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Wilcox Gas Plant
Total reported releases 109k lb rose modestly year over year (+12%). Total releases concentrations have more than doubled since 2022.
404 PRIVATE ROAD 1045, Hallettsville, Texas · 211130 · Natural Gas Processing · operated by Phillips 66 Co
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Formaldehyde
Formaldehyde concentrations have fallen 19% since 2023.
Toluene
Toluene concentrations have more than doubled since 2023.
Benzene
Benzene concentrations have more than doubled since 2023.
n-Hexane
n-Hexane concentrations are up 45% since 2022.
Xylene (mixed isomers)
Xylene (mixed isomers) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Cyclohexane
Cyclohexane concentrations are up 86% since 2022.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Lavaca County County, TX (no Census block groups within 3 miles — falling back to containing county): a population of 20,379. Why we surface this →
10.2%
Low-income
28.2%
People of color
6.4%
Under age 5
23.7%
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.