Total reported releases 914k lb fell sharply year over year (-42%). Total releases concentrations have fallen 23% since 2010.
6701 FM 119, Sunray, Texas · 324110 · Petroleum · operated by Valero Energy CORP
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Diamond Shamrock Refining CO LP rose from 77k lb to 124k lb between 2023 and 2024.
Ethylene glycol releases at Diamond Shamrock Refining CO LP fell from 255k lb to 14k lb (94% lower) between 2023 and 2024.
tert-Butyl alcohol releases at Diamond Shamrock Refining CO LP fell from 98k lb to 36k lb (64% lower) between 2023 and 2024.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Diamond Shamrock Refining CO LP have more than three-quarters since 2010 (through 2024).
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Methanol concentrations have more than doubled since 2010.
Ammonia concentrations have fallen 44% since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Hydrogen cyanide concentrations have more than halved since 2013.
Toluene concentrations have fallen 34% since 2010.
Benzene concentrations have fallen 20% since 2010.
tert-Butyl alcohol concentrations are up 46% since 2010.
Xylene (mixed isomers) concentrations are roughly unchanged from 2010.
Moore County County, TX (no Census block groups within 3 miles — falling back to containing county): a population of 21,284. Why we surface this →
Low-income
People of color
Under age 5
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. 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.