Facility profile
Dupont Pontchartrain Site
No Violation Identified with $480,000 in recorded penalties.
Noncompliance quarters
0
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$480,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-10-06
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 | 82,608 lbs | 0 lbs | 1,125,377 lbs | 1,207,985 lbs |
| 2023 | 78,491 lbs | 0 lbs | 1,042,071 lbs | 1,120,562 lbs |
| 2024 | 81,478 lbs | 0 lbs | 971,450 lbs | 1,052,928 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 land 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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Aniline
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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N-Methyl-2-pyrrolidone
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Certain glycol ethers
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Creosote
Latest 2024 TRI data shows land 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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Benzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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p-Phenylenediamine
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 land as the largest reported pathway for this chemical at the facility.
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4-Aminoazobenzene
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Biphenyl
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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1, 2-Phenylenediamine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Diphenylamine
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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4-Aminobiphenyl
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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Chromium
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nickel
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chlorine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Copper
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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p-Nitroaniline
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
No Violation Identified with $480,000 in recorded penalties.