Facility profile
Olin Winchester Llc
Violation Identified across 5 of the last 12 quarters, with $962,985 in recorded penalties.
Noncompliance quarters
5
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$962,985
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-25
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 | 1,134 lbs | 9,654 lbs | 0 lbs | 10,787 lbs |
| 2023 | 1,201 lbs | 9,378 lbs | 0 lbs | 10,579 lbs |
| 2024 | 1,163 lbs | 9,658 lbs | 0 lbs | 10,821 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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Zinc compounds
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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Antimony compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Copper compounds
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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Arsenic
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Copper
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Nickel
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Manganese
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Dibutyl phthalate
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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Nitroglycerin
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 5 of the last 12 quarters, with $962,985 in recorded penalties.