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 451–475 of 867
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Little Reservoir Dam Beaver County | 29 | 1929 | Significant | Poor |
| Little Montes (Ottosen Reservoir) Uintah County | 21 | 1963 | Low | Not Rated |
| Little Dell Salt Lake County | 224 | 1993 | High | Satisfactory |
| Little Creek Rich County | 22 | 1929 | Significant | Not Rated |
| Lithium Corporation of America Weber County | 13 | — | Low | Not Rated |
| Lisbon Valley Mining Co. LLC San Juan County | 26 | — | Low | Not Rated |
| Lindsay (Bennett) Lower Wasatch County | 32 | 1902 | High | Fair |
| Lindon City Irrigation Project Zone Iii Utah County | 23 | 1993 | High | Satisfactory |
| Lindon City Irrigation Project Zone Ii Utah County | 24 | 1993 | High | Satisfactory |
| Lindon City Dry Canyon Debris Basin Utah County | 29 | 1987 | High | Satisfactory |
| Leigh Hill Reservoir Iron County | 32 | 2008 | High | Satisfactory |
| Lehi City - Vialetto Pond Utah County | 35 | — | Significant | Not Rated |
| Lehi City Sandpit Reservoir Utah County | 21 | 2014 | High | Satisfactory |
| Lehi City - Pilgrims Landing Pond Utah County | 15 | — | Significant | Not Rated |
| Lehi City -Mitchell Hollow Pressure Pond Utah County | — | — | Significant | Not Rated |
| Lehi City Flight Park Pi Reservoir Utah County | 33 | — | Significant | Not Rated |
| Left Hand Fork of Donkey Creek Wayne County | 13 | 1923 | Low | Not Rated |
| Lazy R Ranch Pond Cache County | 28 | — | Significant | Not Rated |
| Lawrence South Irrigation-Pond #2 Emery County | 21 | 2003 | Low | Not Rated |
| Last Chance Ski Pond Tooele County | 11 | 2008 | Significant | Satisfactory |
| Large Bingham Reservoir Distilling Basin Salt Lake County | 28 | — | Significant | Not Available |
| Lapoint Uintah County | 70 | 1985 | High | Fair |
| Laney, Stephen Utah County | 8 | — | Significant | Not Rated |
| Lake Oowah Dam (Fs) Grand County | 38 | 1965 | Significant | Poor |
| Lake Mtn South Zone 2 Irrigation Pond Utah County | 24 | — | Significant | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.