Total reported releases
Total reported releases at Alon Usa-Big Spring Refinery have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Alon Usa-Big Spring Refinery
Total reported releases 368k lb held roughly steady year over year (+1%). Total releases concentrations have more than doubled since 2010.
200 REFINERY ROAD - IH 20 AT REFINERY ROAD, Big Spring, Texas · 324110 · Petroleum · operated by Delek US Holdings INC
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Benzene
Benzene concentrations have more than doubled since 2010.
Methanol
Methanol concentrations have more than doubled since 2010.
Hydrogen cyanide
Hydrogen cyanide concentrations are roughly unchanged from 2014.
Propylene
Propylene concentrations have more than doubled since 2010.
Phenol
Phenol concentrations are roughly unchanged from 2022.
Toluene
Toluene concentrations have fallen 23% since 2010.
Ammonia
Ammonia concentrations are up 10% since 2017.
Hydrogen sulfide
Hydrogen sulfide concentrations are up 42% since 2013.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (9 Census block groups, population-weighted demographics): a population of 10,579. Why we surface this →
32.9%
Low-income
57.7%
People of color
8.2%
Under age 5
9.7%
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.