Facility profile
Norco Chemical Plant - West Site
Violation Identified across 6 of the last 12 quarters, with $10,000 in recorded penalties.
Noncompliance quarters
6
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$10,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-10-23
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 | 20,973 lbs | 199 lbs | 0 lbs | 21,171 lbs |
| 2023 | 17,241 lbs | 151 lbs | 0 lbs | 17,391 lbs |
| 2024 | 17,976 lbs | 593 lbs | 0 lbs | 18,569 lbs |
Chemical breakdown
What this facility is reporting
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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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Toluene
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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Ethylbenzene
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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Hydrogen sulfide
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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Styrene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Glycidol
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 water as the largest reported pathway for this chemical at the facility.
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Acetonitrile
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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n-Butyl alcohol
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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Hydrazine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methyl isobutyl ketone
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phenol
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 water as the largest reported pathway for this chemical at the facility.
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Diethanolamine
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 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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Mercury compounds
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 6 of the last 12 quarters, with $10,000 in recorded penalties.