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 426–450 of 867
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Marjorie Lake Summit County | 26 | 1935 | Low | Not Rated |
| Marchant Brothers 83-R15 Cache County | 30 | — | Low | Not Rated |
| Maple Lake Utah County | 25 | 1936 | High | Fair |
| Mantua Box Elder County | 29 | 1961 | High | Satisfactory |
| Manti City Creek Water Users Mutual Asso Sanpete County | 18 | 2017 | Significant | Not Rated |
| Manning Meadow Piute County | 85 | 1970 | Significant | Not Rated |
| Manila Creek Urban Fishery Utah County | 6 | — | Significant | Not Rated |
| Manderfield (A.K.A. Beaver) Beaver County | 35 | 1937 | High | Satisfactory |
| Magna Water Company & Improvement Dist. Salt Lake County | 9 | — | Significant | Not Rated |
| Magna Reservoir Salt Lake County | 10 | — | Significant | Not Rated |
| Magleby Sevier County | 18 | 1915 | Significant | Not Rated |
| Macdonald Lake Kane County | 13 | 1910 | Low | Not Rated |
| Lovenia Lake Summit County | 16 | 1932 | Significant | Not Rated |
| Lost Lake Dam Summit County | 45 | 1931 | High | Not Available |
| Lost Creek Dam Morgan County | 248 | 1966 | High | Not Available |
| Lost Creek Sevier County | 34 | 1972 | Significant | Not Rated |
| Long Willow Bottom Garfield County | 17 | 1961 | Low | Not Rated |
| Long Park (Uintah) Uintah County | 23 | 1934 | Significant | Not Rated |
| Long Park (Daggett) Daggett County | 112 | 1980 | High | Satisfactory |
| Long Lake Summit County | 27 | 1923 | Low | Not Rated |
| Loggers Fork Sanpete County | 10 | 1889 | Low | Not Rated |
| Logan No. 3 Cache County | 32 | 1924 | Low | Fair |
| Logan First Dam Cache County | 30 | 1914 | High | Satisfactory |
| Logan City - Dry Canyon Cache County | 29 | 2008 | High | Satisfactory |
| Lloyd`S Lake (Monticello) San Juan County | 133 | 1984 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.