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Facility profile

Ponca City Refinery

Significant Violation across 8 of the last 12 quarters, with $32,550 in recorded penalties.

Significant Violation EPA-regulated facility TRI + Clean Air Act + Clean Water Act + RCRA 110015682830 Kay County
Noncompliance quarters
8

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

Penalties
$32,550

Recorded enforcement amount carried into the facility page.

Last inspection
2025-06-26

Displayed as plain language instead of hidden in agency exports.

Trend
Watch

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

Year Air Water Land Total
2022 269,621 lbs 2,876 lbs 2,023 lbs 274,520 lbs
2023 137,026 lbs 3,016 lbs 2,010 lbs 142,051 lbs
2024 157,460 lbs 2,910 lbs 170 lbs 160,541 lbs
Chemical breakdown

What this facility is reporting

  • air 98,892 lbs

    Hydrogen cyanide

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

  • air 15,342 lbs

    Hydrogen sulfide

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

  • air 11,949 lbs

    Ammonia

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

  • air 8,959 lbs

    Ethylbenzene

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

  • air 7,108 lbs

    Naphthalene

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

  • air 6,830 lbs

    Methanol

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

  • air 2,145 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.

  • water 2,104 lbs

    Phenol

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

  • air 1,695 lbs

    1, 2, 4-Trimethylbenzene

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

  • air 1,459 lbs

    n-Hexane

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

  • air 1,339 lbs

    Toluene

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

  • air 1,111 lbs

    Xylene (mixed isomers)

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

  • air 658 lbs

    Benzene

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

  • air 509 lbs

    Cyclohexane

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

  • air 159 lbs

    Cumene

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

  • air 104 lbs

    Nickel compounds

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

  • water 58 lbs

    Zinc compounds

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

  • air 25 lbs

    Tetrachloroethylene

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

  • air 22 lbs

    Propylene

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

  • air 17 lbs

    Anthracene

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

  • air 17 lbs

    Polycyclic aromatic compounds

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

  • air 13 lbs

    Hydrogen fluoride

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

  • air 11 lbs

    Cresol (mixed isomers)

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

  • air 7 lbs

    Biphenyl

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

  • air 4 lbs

    Phenanthrene

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

  • air 3 lbs

    Certain glycol ethers

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

  • water 1 lbs

    Lead compounds

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

  • air 0 lbs

    Benzo[g, h, i]perylene

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

  • air 0 lbs

    Aluminum oxide (fibrous forms)

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

  • air 0 lbs

    Bromotrifluoromethane (Halon 1301)

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

  • air 0 lbs

    Ethylene glycol

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

  • air 0 lbs

    Mercury compounds

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

  • air 0 lbs

    Molybdenum trioxide

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

  • air 0 lbs

    Styrene

    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

Significant Violation across 8 of the last 12 quarters, with $32,550 in recorded penalties.

Significant Violation Last recorded inspection: 2025-06-26. Total penalties on record: $32,550.