Facility profile
Premcor Refining Group, Inc. - Lima Refinery
Violation Identified across 9 of the last 12 quarters, with $19,015,000 in recorded penalties.
Noncompliance quarters
9
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$19,015,000
Recorded enforcement amount carried into the facility page.
Last inspection
2026-02-10
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 | 151,207 lbs | 43 lbs | 127 lbs | 151,376 lbs |
| 2023 | 155,266 lbs | 352 lbs | 276 lbs | 155,894 lbs |
| 2024 | 163,467 lbs | 600 lbs | 116 lbs | 164,183 lbs |
Chemical breakdown
What this facility is reporting
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Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Propylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Carbonyl sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cyclohexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Carbon disulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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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.
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Cumene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrogen sulfide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 3-Butadiene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Polycyclic aromatic compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phenanthrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Lead compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Benzo[g, h, i]perylene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dioxin and dioxin-like compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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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
Violation Identified across 9 of the last 12 quarters, with $19,015,000 in recorded penalties.