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Facility profile

Hollyfrontier El Dorado Refining

Significant noncompliance across 4 of the last 12 quarters, with $7,262,758 in recorded penalties.

Significant noncompliance Petroleum TRI + Clean Air Act + Clean Water Act + RCRA 110000446134 Butler County
Noncompliance quarters
4

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

Penalties
$7,262,758

Recorded enforcement amount carried into the facility page.

Last inspection
2025-11-06

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 420,370 lbs 974 lbs 241 lbs 421,585 lbs
2023 287,537 lbs 1,019 lbs 202 lbs 288,758 lbs
2024 271,196 lbs 1,033 lbs 313 lbs 272,542 lbs
Chemical breakdown

What this facility is reporting

  • air 100,000 lbs

    Hydrogen cyanide

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

  • air 51,140 lbs

    Ammonia

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

  • air 30,304 lbs

    Toluene

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

  • air 20,001 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 19,900 lbs

    n-Hexane

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

  • air 13,704 lbs

    Benzene

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

  • air 12,304 lbs

    Xylene (mixed isomers)

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

  • air 5,004 lbs

    Ethylbenzene

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

  • air 3,307 lbs

    Cyclohexane

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

  • air 2,880 lbs

    Ethylene

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

  • air 2,700 lbs

    Propylene

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

  • air 2,284 lbs

    Hydrogen sulfide

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

  • air 1,725 lbs

    Methanol

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

  • air 1,312 lbs

    Zinc compounds

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

  • air 1,100 lbs

    Carbon disulfide

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

  • water 721 lbs

    Phenol

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

  • air 593 lbs

    1, 2, 4-Trimethylbenzene

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

  • air 580 lbs

    Diethanolamine

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

  • air 570 lbs

    Carbonyl sulfide

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

  • air 565 lbs

    Naphthalene

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

  • air 501 lbs

    1, 3-Butadiene

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

  • air 440 lbs

    Ethylene glycol

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

  • air 383 lbs

    Cumene

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

  • air 211 lbs

    Nickel compounds

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

  • air 103 lbs

    Lead compounds

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

  • air 94 lbs

    Hydrogen fluoride

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

  • air 24 lbs

    Tetrachloroethylene

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

  • air 21 lbs

    Styrene

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

  • air 16 lbs

    Biphenyl

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

  • air 13 lbs

    Cobalt compounds

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

  • air 13 lbs

    Trichloroethylene

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

  • air 13 lbs

    Mercury compounds

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

  • air 11 lbs

    Polycyclic aromatic compounds

    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 1 lbs

    Anthracene

    Latest 2024 TRI data shows air 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

    Certain glycol ethers

    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.

Enforcement layer

Why the ECHO-style detail matters

Significant noncompliance across 4 of the last 12 quarters, with $7,262,758 in recorded penalties.

Significant noncompliance Last recorded inspection: 2025-11-06. Total penalties on record: $7,262,758.