Dams in Amador County, California
21Total Dams
11High Hazard
2Significant
Dam Safety in Amador County, California
Amador County has 21 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Amador County is 79 years old. The most common purpose is hydroelectric. The tallest dam is Lower Bear at 245 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lower Bear | High | Satisfactory | 245 | Hydroelectric | 1952 |
| Jackson Creek | High | Satisfactory | 193 | Irrigation | 1965 |
| Tabeaud | High | Poor | 136 | Hydroelectric | 1901 |
| Tiger Creek Afterbay | High | Fair | 120 | Hydroelectric | 1931 |
| Upper Bear | High | Satisfactory | 77 | Hydroelectric | 1900 |
| Arroyo Seco | High | Satisfactory | 67 | Water Supply | 1957 |
| Henderson | High | Fair | 56 | Water Supply | 1923 |
| Csp Mule Creek | High | Satisfactory | 51 | Water Supply | 1988 |
| Preston | High | Satisfactory | 40 | Water Supply | 1949 |
| Goffinet | High | Satisfactory | 38 | Other | 1954 |
| Silver Lake | High | Poor | 32 | Hydroelectric | 1876 |
| Tiger Creek Regulator | Significant | Fair | 115 | Hydroelectric | 1931 |
| Plymouth Effluent | Significant | Satisfactory | 59 | Water Supply | 1989 |
| Ione Canal | Low | Satisfactory | 48 | Other | 1962 |
| Electra Diversion | Low | Satisfactory | 45 | Hydroelectric | |
| Preston Forebay | Low | Satisfactory | 40 | Other | 1892 |
| Shenandoah Lake | Low | Satisfactory | 33 | Other | 1962 |
| Tiger Creek Forebay | Low | Satisfactory | 33 | Hydroelectric | |
| Pond K | Low | Satisfactory | 22 | Tailings | 2006 |
| John Orr | Low | Satisfactory | 20 | Water Supply | 1959 |
| Vicini | Low | Satisfactory | 19 | Water Supply | 1980 |