Ammonia
Ammonia at Exxonmobil Baton Rouge Refinery (Part) have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Exxonmobil Baton Rouge Refinery (Part)
Total reported releases 1.6M lb fell modestly year over year (-7%). Total releases concentrations have more than halved since 2010.
4045 SCENIC HWY, Baton Rouge, Louisiana · 324110 · Petroleum · operated by Exxon Mobil CORP
Anomaly engine
Notable Signals
Carbonyl sulfide
Carbonyl sulfide releases at Exxonmobil Baton Rouge Refinery (Part) rose from 24k lb to 36k lb between 2023 and 2024.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) at Exxonmobil Baton Rouge Refinery (Part) have more than three-quarters since 2010 (through 2024).
Total reported releases
Total reported releases at Exxonmobil Baton Rouge Refinery (Part) have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations have more than doubled since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved 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 are roughly unchanged from 2010.
Methyl isobutyl ketone
Methyl isobutyl ketone concentrations are up 98% since 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations have more than doubled since 2011.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 15% since 2010.
Toluene
Toluene concentrations have fallen 17% since 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations have fallen 27% since 2012.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (58 Census block groups, population-weighted demographics): a population of 60,526. Why we surface this →
61.4%
Low-income
91.6%
People of color
6.4%
Under age 5
13.9%
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.