Facility profile
Uss Mon Valley Works - Irvin Plant
Violation Identified across 9 of the last 12 quarters, with $135,000 in recorded penalties.
Noncompliance quarters
9
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$135,000
Recorded enforcement amount carried into the facility page.
Last inspection
2025-11-21
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 | 90,644 lbs | 1,205 lbs | 0 lbs | 91,849 lbs |
| 2023 | 66,974 lbs | 1,087 lbs | 0 lbs | 68,060 lbs |
| 2024 | 73,872 lbs | 1,480 lbs | 0 lbs | 75,352 lbs |
Chemical breakdown
What this facility is reporting
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Hydrochloric 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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Ethylene
Latest 2024 TRI data shows air 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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Lead compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Nickel compounds
Latest 2024 TRI data shows water 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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Manganese compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Sodium nitrite
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 9 of the last 12 quarters, with $135,000 in recorded penalties.