Facility profile
Asarco Llc Ray Mine Operations
Violation Identified across 5 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
5
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-03-24
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 | 5,425 lbs | 0 lbs | 1,052,439 lbs | 1,057,864 lbs |
| 2023 | 4,144 lbs | 0 lbs | 1,476,112 lbs | 1,480,256 lbs |
| 2024 | 9,680 lbs | 0 lbs | 1,038,991 lbs | 1,048,671 lbs |
Chemical breakdown
What this facility is reporting
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Lead compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Chromium
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Manganese
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Nickel
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Copper compounds
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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n-Hexane
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Mercury compounds
Latest 2024 TRI data shows land 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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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cobalt compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nitrate compounds (water dissociable; reportable only when in aqueous solution)
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 in the imported ECHO record.