Facility profile
Lone Tree Mine
Violation across 12 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2021-06-17
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 | 107 lbs | 0 lbs | 1,563 lbs | 1,670 lbs |
| 2023 | 1 lbs | 0 lbs | 161 lbs | 162 lbs |
| 2024 | 0 lbs | 0 lbs | 0 lbs | 0 lbs |
Chemical breakdown
What this facility is reporting
-
Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Cyanide compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
Manganese compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
-
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 across 12 of the last 12 quarters in the imported ECHO record.