Facility profile
Delaware City Refining Company Llc
Significant Violation across 11 of the last 12 quarters, with $820,000 in recorded penalties.
Noncompliance quarters
11
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$820,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-24
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 | 340,332 lbs | 4,897,030 lbs | 84 lbs | 5,237,446 lbs |
| 2023 | 325,101 lbs | 4,352,506 lbs | 430 lbs | 4,678,037 lbs |
| 2024 | 332,165 lbs | 3,966,202 lbs | 0 lbs | 4,298,367 lbs |
Chemical breakdown
What this facility is reporting
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Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Sulfuric 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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Hydrogen cyanide
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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n-Hexane
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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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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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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Benzene
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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Cyclohexane
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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Carbon disulfide
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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Certain glycol ethers
Latest 2024 TRI data shows water 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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Propylene
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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Creosote
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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Cresol (mixed isomers)
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Ethylene glycol
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Lead compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Phenol
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Sodium nitrite
Latest 2024 TRI data shows water 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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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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Polycyclic aromatic 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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Styrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Anthracene
Latest 2024 TRI data shows water 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 water 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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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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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 Violation across 11 of the last 12 quarters, with $820,000 in recorded penalties.