Ethylene glycol
Ethylene glycol releases at Huntsman Petrochemical LLC Port Neches Facility rose from 49k lb to 162k lb (3.3×) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Huntsman Petrochemical LLC Port Neches Facility
Total reported releases 689k lb fell modestly year over year (-13%). Total releases concentrations have more than halved since 2010.
6001 HWY 366, Port Neches, Texas · 325199 · Chemicals · operated by Huntsman CORP
Anomaly engine
Notable Signals
Ammonia
Ammonia releases at Huntsman Petrochemical LLC Port Neches Facility rose from 19k lb to 32k lb between 2023 and 2024.
N495
N495 releases at Huntsman Petrochemical LLC Port Neches Facility fell from 397k lb to 0 lb (100% lower) between 2023 and 2024.
Propylene oxide
Propylene oxide at Huntsman Petrochemical LLC Port Neches Facility have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 6. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Nonylphenol
Nonylphenol volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Ethylene glycol
Ethylene glycol concentrations have more than doubled since 2010.
Ethylene
Ethylene concentrations are roughly unchanged from 2010.
tert-Butyl alcohol
tert-Butyl alcohol concentrations have more than halved since 2010.
Ammonia
Ammonia concentrations have fallen 16% since 2010.
Propylene
Propylene concentrations have more than halved since 2010.
Methyl tert-butyl ether
Methyl tert-butyl ether concentrations have more than doubled since 2010.
Ethylene oxide
Ethylene oxide concentrations have fallen 42% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (35 Census block groups, population-weighted demographics): a population of 43,223. Why we surface this →
33.1%
Low-income
36.3%
People of color
7.2%
Under age 5
15.6%
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.