Utah Dams
867 dams tracked by the National Inventory of Dams
Total Dams
867
High Hazard
273
31.5%
Poor / Unsatisfactory
17
Average Age
66 yrs
Hazard Classification
High273 (31.5%)
Significant326 (37.6%)
Low268 (30.9%)
Condition Assessment
Satisfactory125 (14.4%)
Fair102 (11.8%)
Poor / Unsatisfactory17 (2.0%)
Not Rated623 (71.9%)
Federal
82
State
27
Local
124
Private
632
Tallest Dams
- Flaming Gorge Dam502 ft
- Jordanelle Dam391 ft
- Upper Stillwater Dam292 ft
- Soldier Creek Dam272 ft
- Barrick Mercur Reservation Cnyn Tailings270 ft
High Hazard Dams
Poor Condition Dams
- Mountain DellPoor
- Birch Creek No. 2Poor
- Bottle Hollow - South DamPoor
- Lake Mary-PhoebePoor
- MidviewPoor
All Dams in Utah
Showing 751–775 of 867
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Three Creeks (Sevier) Sevier County | 22 | 1884 | High | Fair |
| Three Lakes Wasatch County | 17 | 1961 | Significant | Not Rated |
| Three Mile Creek (Perry City Fcd) Db Box Elder County | 18 | 1930 | High | Fair |
| Three Toes Morgan County | 15 | — | Significant | Not Rated |
| Tony Grove Lake Dam Cache County | 24 | 1939 | High | Poor |
| Tony M Evaporation Pond Garfield County | 35 | 1981 | Low | Not Rated |
| Town Sanpete County | 28 | 1930 | Significant | Not Rated |
| Town of Altamont Duchesne County | 18 | — | Significant | Not Rated |
| Town of Springdale 88r161 Washington County | 100 | — | Significant | Not Rated |
| Trachyte Garfield County | 32 | 1993 | Low | Not Rated |
| Trachyte (Lower) Dam No. 2 Garfield County | 21 | 2006 | Low | Not Rated |
| Trial Lake Dam Summit County | 51 | 1990 | High | Not Available |
| Tropic Garfield County | 29 | 1936 | High | Fair |
| Tuacahn Wash Lower Detention Basin Washington County | 29 | 1919 | High | Satisfactory |
| Tuacahn Wash Upper Detention Basin Washington County | 20 | 2013 | Significant | Satisfactory |
| Twin Creek Irrigation Company Sanpete County | 14 | — | Significant | Not Rated |
| Twin Lakes (Salt Lake) Salt Lake County | 62 | 1914 | High | Satisfactory |
| Twin Pots Duchesne County | 38 | 1931 | High | Fair |
| Udot - Pond 70a Salt Lake County | 8 | — | Significant | Not Rated |
| Udot - Pond 90a Salt Lake County | 5 | — | Significant | Not Rated |
| Upper Sandwash Ranch - Dog 6 Duchesne County | 37 | — | Significant | Not Rated |
| Upper Sandwash Ranch - Honeymoon - 1 Duchesne County | 30 | — | Significant | Not Rated |
| Upper Stillwater Dam Duchesne County | 292 | 1987 | High | Not Available |
| U.S. Department of Energy Grand County | 32 | — | Low | Not Rated |
| U. S. Steel Corp. Storage (Clear Water) Carbon County | 29 | 1958 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.