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Facility profile

Valero Wilmington Refinery

Violation across 6 of the last 12 quarters, with $540,874 in recorded penalties.

Violation Petroleum TRI + Clean Air Act + Clean Water Act + RCRA 110000746658 Los Angeles County
Noncompliance quarters
6

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$540,874

Recorded enforcement amount carried into the facility page.

Last inspection
2025-08-07

Displayed as plain language instead of hidden in agency exports.

Trend
Watch

Reported on-site releases are higher in 2024 than in 2022.

Year Air Water Land Total
2022 140,083 lbs 19 lbs 0 lbs 140,102 lbs
2023 145,283 lbs 49 lbs 0 lbs 145,332 lbs
2024 146,723 lbs 12 lbs 0 lbs 146,735 lbs
Chemical breakdown

What this facility is reporting

  • air 72,067 lbs

    Ammonia

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 48,000 lbs

    Hydrogen cyanide

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 9,980 lbs

    Hydrogen sulfide

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 4,500 lbs

    Carbonyl sulfide

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 3,330 lbs

    n-Hexane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,910 lbs

    Toluene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,404 lbs

    Phenol

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1,200 lbs

    Benzene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 890 lbs

    Xylene (mixed isomers)

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 880 lbs

    Propylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 690 lbs

    Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 460 lbs

    Carbon disulfide

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 360 lbs

    1, 2, 4-Trimethylbenzene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 293 lbs

    Ethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 280 lbs

    Ethylbenzene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 194 lbs

    Cyclohexane

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 148 lbs

    1, 3-Butadiene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 33 lbs

    Naphthalene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 25 lbs

    Cresol (mixed isomers)

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 23 lbs

    Hydrogen fluoride

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 20 lbs

    Phenanthrene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 17 lbs

    Cumene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 10 lbs

    Tetrachloroethylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 7 lbs

    Lead compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 5 lbs

    Mercury compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 4 lbs

    Polycyclic aromatic compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 2 lbs

    Benzo[g, h, i]perylene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1 lbs

    Anthracene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1 lbs

    Methanol

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 1 lbs

    Styrene

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

  • air 0 lbs

    Dioxin and dioxin-like compounds

    Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.

Enforcement layer

Why the ECHO-style detail matters

Violation across 6 of the last 12 quarters, with $540,874 in recorded penalties.

Violation Last recorded inspection: 2025-08-07. Total penalties on record: $540,874.