Total reported releases
Total reported releases at Houston Refining LP have risen 67% since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Houston Refining LP
Total reported releases 312k lb fell modestly year over year (-13%). Total releases concentrations are up 67% since 2010.
12000 LAWNDALE ST, Houston, Texas · 324110 · Petroleum · operated by Lyondellbasell Finance Co
Anomaly engine
Notable Signals
Ethylene
Ethylene releases at Houston Refining LP fell from 24k lb to 9k lb (63% lower) between 2023 and 2024.
Propylene
Propylene releases at Houston Refining LP fell from 22k lb to 9k lb (57% lower) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Diethanolamine
Diethanolamine concentrations have more than doubled since 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations are roughly unchanged from 2014.
n-Hexane
n-Hexane concentrations are roughly unchanged from 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 49% since 2010.
Toluene
Toluene concentrations have fallen 24% since 2010.
Benzene
Benzene concentrations are up 78% since 2010.
Hydrogen sulfide
Hydrogen sulfide concentrations have fallen 30% since 2012.
Ammonia
Ammonia concentrations have more than doubled since 2014.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (64 Census block groups, population-weighted demographics): a population of 92,537. Why we surface this →
52.1%
Low-income
92.5%
People of color
9.3%
Under age 5
8.5%
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.