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Facility profile

Thompson Creek Mine

Violation Identified across 8 of the last 12 quarters in the imported ECHO record.

Violation Identified Metal Mining TRI + Clean Air Act + Clean Water Act + RCRA 110000600430 Custer County
Noncompliance quarters
8

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2025-10-01

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 0 lbs 0 lbs 62,219 lbs 62,219 lbs
2023 6 lbs 29,253 lbs 145,965 lbs 175,224 lbs
2024 55 lbs 16,758 lbs 1,026,731 lbs 1,043,544 lbs
Enforcement layer

Why the ECHO-style detail matters

Violation Identified across 8 of the last 12 quarters in the imported ECHO record.

Violation Identified Last recorded inspection: 2025-10-01.