19Total Dams
6High Hazard
5Significant
Dam Safety in Cache County, Utah
Cache County has 19 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 1 dam has a condition assessment of poor or unsatisfactory.
The average dam in Cache County is 65 years old. The most common purpose is irrigation. The tallest dam is Porcupine at 181 ft.
Explore more: Oldest dams in Utah · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Porcupine | High | Satisfactory | 181 | Irrigation | 1962 |
| Hyrum Dam | High | Not assessed | 116 | Irrigation | 1935 |
| Newton Dam | High | Not assessed | 104 | Irrigation | 1946 |
| Logan First Dam | High | Satisfactory | 30 | Hydroelectric | 1914 |
| Logan City - Dry Canyon | High | Satisfactory | 29 | Flood Risk Reduction | 2008 |
| Tony Grove Lake Dam | High | Poor | 24 | Recreation | 1939 |
| Lazy R Ranch Pond | Significant | Not assessed | 28 | Recreation | |
| Wellsville | Significant | Not assessed | 25 | Irrigation | 1957 |
| Richins Pond | Significant | Not assessed | 15 | Irrigation | |
| Blacksmith Fork | Significant | Fair | 15 | Hydroelectric | 1972 |
| Spackman Brothers Dam | Significant | Not assessed | 11 | Irrigation | 1982 |
| Spackman, Terry | Low | Not assessed | 41 | Irrigation | |
| Sheep Creek Cove | Low | Not assessed | 35 | Irrigation | 1979 |
| Logan No. 3 | Low | Fair | 32 | Hydroelectric | 1924 |
| Marchant Brothers 83-r15 | Low | Not assessed | 30 | Irrigation | |
| Anderson Doty | Low | Not assessed | 27 | Irrigation | 1967 |
| Rich Reservoir | Low | Not assessed | 24 | Irrigation | 1963 |
| Gunnell Pond | Low | Not assessed | 22 | 2006 | |
| Gossner Foods Inc. | Low | Not assessed | 15 | Irrigation |