Facility profile
Stepan Company
Unknown across 9 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
9
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2026-02-19
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 | 1,626 lbs | 50 lbs | 0 lbs | 1,676 lbs |
| 2023 | 1,714 lbs | 50 lbs | 0 lbs | 1,764 lbs |
| 2024 | 1,722 lbs | 50 lbs | 0 lbs | 1,772 lbs |
Chemical breakdown
What this facility is reporting
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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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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dimethyl sulfate
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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Certain glycol ethers
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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Propylene oxide
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylene oxide
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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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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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nonylphenol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nonylphenol Ethoxylates
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
Unknown across 9 of the last 12 quarters in the imported ECHO record.