Facility profile
Us Doe Y-12 Natl Security Complex
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
4
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-24
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 | 30,567 lbs | 1,537 lbs | 1,653 lbs | 33,757 lbs |
| 2023 | 445 lbs | 100 lbs | 594 lbs | 1,139 lbs |
| 2024 | 1,313 lbs | 428 lbs | 0 lbs | 1,741 lbs |
Chemical breakdown
What this facility is reporting
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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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Chromium compounds (except for chromite ore mined in the Transvaal Region)
Latest 2024 TRI data shows air 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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Copper
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Cobalt
Latest 2024 TRI data shows air 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.
Enforcement layer
Why the ECHO-style detail matters
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.