Total reported releases
Total reported releases at Citgo Refining & Chemicals CO LP East Plant have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Citgo Refining & Chemicals CO LP East Plant
Total reported releases 1.3M lb fell sharply year over year (-39%). Total releases concentrations have more than doubled since 2010.
1801 NUECES BAY BLVD, Corpus Christi, Texas · 324110 · Petroleum · operated by Pdv Holding INC
Anomaly engine
Notable Signals
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) at Citgo Refining & Chemicals CO LP East Plant have more than doubled since 2010 (through 2024).
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases at Citgo Refining & Chemicals CO LP East Plant rose from 197k lb to 455k lb (2.3×) between 2023 and 2024.
n-Hexane
n-Hexane releases at Citgo Refining & Chemicals CO LP East Plant fell from 1.0M lb to 9k lb (99% lower) between 2023 and 2024.
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
Hydrogen cyanide
Hydrogen cyanide 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 doubled since 2010.
Diethanolamine
Diethanolamine concentrations have more than doubled 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 fallen 14% since 2014.
Ammonia
Ammonia concentrations have more than doubled since 2010.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 12% since 2010.
Benzene
Benzene concentrations are up 28% since 2010.
Cyclohexane
Cyclohexane concentrations are up 66% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (43 Census block groups, population-weighted demographics): a population of 38,094. Why we surface this →
59.8%
Low-income
87.7%
People of color
5.6%
Under age 5
17.5%
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.