Facility profile
Allnex Usa Inc., Wallingford Ct Plant
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
7
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-12-08
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 | 78,913 lbs | 7,184 lbs | 0 lbs | 86,097 lbs |
| 2023 | 104,664 lbs | 1,044 lbs | 0 lbs | 105,708 lbs |
| 2024 | 79,643 lbs | 4,181 lbs | 0 lbs | 83,824 lbs |
Chemical breakdown
What this facility is reporting
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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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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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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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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Formaldehyde
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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Ethylbenzene
Latest 2024 TRI data shows air 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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Toluene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nitric acid
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 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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N-Methylolacrylamide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene glycol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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sec-Butyl alcohol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Diisocyanates
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Formic acid
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Acrylamide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Phthalic anhydride
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 7 of the last 12 quarters in the imported ECHO record.