Utah has 22 tailings dams, of which 1 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 | Barrick Mercur Reservation Cnyn Tailings | Tooele | 270 | Low | Not assessed | 1984 |
| 2 | Kennecott Smelter Tailings Pond | Salt Lake | 154 | Significant | Not assessed | |
| 3 | Shootaring Canyon Tailings Dam | Garfield | 85 | Low | Not assessed | 1981 |
| 4 | Moab Salt Potash Stockpile Dam | Grand | 70 | Significant | Not assessed | 1962 |
| 5 | North Tailings | Tooele | 60 | High | Not assessed | |
| 6 | Sawtooth Brine Pond #1 | Millard | 45 | Significant | Satisfactory | 2013 |
| 7 | Kennecott Mine Small Reservoir | Salt Lake | 40 | Significant | Not assessed | 1961 |
| 8 | Tamra Mining Flotation Tailings Pond | Beaver | 37 | Low | Not assessed | |
| 9 | Pacificorp - Huntington Settling Pond | Emery | 37 | Significant | Not assessed | 1977 |
| 10 | Tony M Evaporation Pond | Garfield | 35 | Low | Not assessed | 1981 |
| 11 | U. S. Steel Corp. Tailings (lower) | Carbon | 33 | Low | Not assessed | 1984 |
| 12 | U.s. Department of Energy | Grand | 32 | Low | Not assessed | |
| 13 | Cell 4 a and B | San Juan | 30 | Low | Not assessed | |
| 14 | U. S. Steel Corp. Storage (clear Water) | Carbon | 29 | Low | Not assessed | 1958 |
| 15 | Tailings Pond | Millard | 15 | Low | Not assessed | |
| 16 | Kennecott Sedimentation Pond(96-59-06md) | Salt Lake | 15 | Low | Not assessed | |
| 17 | Monticello Millsite Pond #4 | San Juan | 14 | Low | Not assessed | |
| 18 | Pacificorp - Currant Creek Evap Ponds | Juab | 12 | Significant | Not assessed | 2005 |
| 19 | U. S. Steel Corp. Tailings (upper) | Carbon | 10 | Low | Not assessed | 1958 |
| 20 | R.n. Industries, Pond #3 | Uintah | 10 | Low | Not assessed | |
| 21 | R.n. Industries, Pond #1 | Uintah | 10 | Low | Not assessed | |
| 22 | Western Zirconium, Inc. | Weber | 10 | Low | Not assessed |