Tailings Dams in Montana
Montana has 6 tailings dams, of which 5 carry a high hazard classification. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted.
| # | Dam | County | Height (ft) | Hazard | Condition | Year |
|---|---|---|---|---|---|---|
| 1 | Douglas Creek Tailings Dam | Granite | 60 | Significant | ||
| 2 | Mt Tunnels Tailings Dam | Jefferson | 0 | High | Satisfactory | |
| 3 | Golden Sunlight #2 Tailings Dam | Jefferson | 0 | High | Satisfactory | |
| 4 | Stillwater Nye Tailings Dam | Stillwater | 0 | High | Satisfactory | |
| 5 | Stillwater Hertzler Tailings Dam | Stillwater | 0 | High | Satisfactory | |
| 6 | East Boulder Tailings Dam | Sweet Grass | 0 | High | Satisfactory |