12Total Dams
3High Hazard
5Significant
Dam Safety in Grand County, Utah
Grand County has 12 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Grand County is 58 years old. The most common purpose is flood risk reduction. The tallest dam is Moab Salt Potash Stockpile Dam at 70 ft.
Explore more: Oldest dams in Utah · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Moab City - White Canyon Retention | High | Fair | 40 | Flood Risk Reduction | 1976 |
| Moab City - Walker Canyon Db | High | Satisfactory | 33 | Flood Risk Reduction | 2004 |
| Moab City - Tusher Canyon Detention | High | Fair | 28 | Flood Risk Reduction | 1969 |
| Moab Salt Potash Stockpile Dam | Significant | Not assessed | 70 | Tailings | 1962 |
| Lake Oowah Dam (fs) | Significant | Poor | 38 | Recreation | 1965 |
| Grand County | Significant | Not assessed | 10 | Flood Risk Reduction | |
| Moab City Johnson Canyon Lower | Significant | Not assessed | 0 | Flood Risk Reduction | |
| Moab City Johnson Canyon Retention Dam | Significant | Not assessed | 0 | Flood Risk Reduction | |
| Crescent Wash Dam | Low | Unsatisfactory | 33 | Debris Control | 1952 |
| U.s. Department of Energy | Low | Not assessed | 32 | Tailings | |
| Pace | Low | Not assessed | 15 | Irrigation | 1944 |
| Moab Salt Potash Pond Dam 3a | Low | Not assessed | 12 | Other | 1970 |