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Facility profile

Wynnewood Refinery

Significant Violation across 12 of the last 12 quarters, with $109,415 in recorded penalties.

Significant Violation Petroleum TRI + Clean Air Act + Clean Water Act + RCRA 110000453697 Garvin County
Noncompliance quarters
12

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

Penalties
$109,415

Recorded enforcement amount carried into the facility page.

Last inspection
2025-12-19

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 260,891 lbs 1,258 lbs 0 lbs 262,150 lbs
2023 285,923 lbs 2,465 lbs 0 lbs 288,388 lbs
2024 287,338 lbs 759 lbs 0 lbs 288,097 lbs
Chemical breakdown

What this facility is reporting

  • air 68,647 lbs

    n-Hexane

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

  • air 67,574 lbs

    Ammonia

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

  • air 42,648 lbs

    Xylene (mixed isomers)

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

  • air 36,573 lbs

    Toluene

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

  • air 32,765 lbs

    Hydrogen cyanide

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

  • air 11,108 lbs

    Benzene

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

  • air 7,382 lbs

    Styrene

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

  • air 7,200 lbs

    Ethylbenzene

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

  • air 3,774 lbs

    Biphenyl

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

  • air 2,035 lbs

    1, 3-Butadiene

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

  • air 1,963 lbs

    Cumene

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

  • air 1,717 lbs

    Naphthalene

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

  • air 1,250 lbs

    Hydrogen sulfide

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

  • air 1,000 lbs

    1, 2, 4-Trimethylbenzene

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

  • air 750 lbs

    Phenol

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

  • air 694 lbs

    Polycyclic aromatic compounds

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

  • air 250 lbs

    Ethylene

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

  • air 250 lbs

    Methanol

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

  • air 250 lbs

    Nickel compounds

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

  • air 250 lbs

    Propylene

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

  • air 8 lbs

    Lead compounds

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

  • air 5 lbs

    Molybdenum trioxide

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

  • air 4 lbs

    Mercury compounds

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

  • air 0 lbs

    Certain glycol ethers

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

  • air 0 lbs

    Hydrogen fluoride

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

  • air 0 lbs

    Tetrachloroethylene

    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 12 of the last 12 quarters, with $109,415 in recorded penalties.

Significant Violation Last recorded inspection: 2025-12-19. Total penalties on record: $109,415.