Hydrogen sulfide
Hydrogen sulfide releases at Exxonmobil Oil Beaumont Refinery (Part) rose from 20k lb to 39k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Exxonmobil Oil Beaumont Refinery (Part)
Total reported releases 717k lb rose meaningfully year over year (+24%). Total releases concentrations have fallen 14% since 2010.
E END OF BURT ST, Beaumont, Texas · 324110 · Petroleum · operated by Exxon Mobil CORP
Anomaly engine
Notable Signals
n-Hexane
n-Hexane releases at Exxonmobil Oil Beaumont Refinery (Part) rose from 101k lb to 174k lb between 2023 and 2024.
Toluene
Toluene at Exxonmobil Oil Beaumont Refinery (Part) have more than halved since 2010 (through 2024).
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Exxonmobil Oil Beaumont Refinery (Part) have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations are up 23% since 2010.
n-Hexane
n-Hexane concentrations have more than doubled since 2010.
Propylene
Propylene concentrations are up 23% since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations have fallen 31% since 2012.
Toluene
Toluene concentrations have more than halved since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations are roughly unchanged from 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations are up 18% since 2011.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (30 Census block groups, population-weighted demographics): a population of 26,404. Why we surface this →
52.0%
Low-income
87.5%
People of color
6.0%
Under age 5
12.9%
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.