Dams in El Dorado County, California
51Total Dams
20High Hazard
14Significant
Dam Safety in El Dorado County, California
El Dorado County has 51 dams tracked in the National Inventory of Dams. Of these, 20 are classified as high hazard — meaning failure would probably cause loss of human life. Another 14 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in El Dorado County is 70 years old. The most common purpose is water supply. The tallest dam is Union Valley at 455 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Union Valley | High | Satisfactory | 455 | Hydroelectric | 1962 |
| Slab Creek | High | Satisfactory | 250 | Hydroelectric | 1967 |
| Sly Park | High | Satisfactory | 182 | Water Supply | 1955 |
| Mark Edson | High | Satisfactory | 162 | Water Supply | 1962 |
| Ice House Main | High | Fair | 152 | Hydroelectric | 1959 |
| Chili Bar | High | Fair | 126 | Hydroelectric | 1964 |
| Weber | High | Satisfactory | 92 | Water Supply | 1924 |
| El Dorado Forebay | High | Fair | 91 | Hydroelectric | 1923 |
| Fay Gunby | High | Satisfactory | 40 | Water Supply | 1961 |
| Patterson | High | Satisfactory | 37 | Water Supply | 1960 |
| Indian Creek | High | Satisfactory | 36 | Water Supply | 1946 |
| Volo Mining Company | High | Satisfactory | 35 | Other | 1958 |
| Lake Aloha Main | High | Satisfactory | 33 | Hydroelectric | 1917 |
| Manhattan Creek | High | Satisfactory | 32 | Water Supply | 1952 |
| Crystal Lake | High | Satisfactory | 32 | Water Supply | 1952 |
| El Dorado Hills | High | Satisfactory | 31 | Water Supply | 1980 |
| Cameron Park | High | Satisfactory | 29 | Water Supply | 1951 |
| Emergency Effluent Holding | High | Satisfactory | 27 | Water Supply | 1961 |
| New Bass Lake | High | Satisfactory | 26 | Water Supply | 1978 |
| Echo Lake | High | Satisfactory | 14 | Hydroelectric | 1992 |
| Brush Creek | Significant | Satisfactory | 213 | Hydroelectric | 1970 |
| Junction | Significant | Satisfactory | 168 | Hydroelectric | 1962 |
| Loon Lake Auxiliary | Significant | Satisfactory | 102 | Hydroelectric | 1963 |
| Niegel | Significant | Satisfactory | 63 | Water Supply | 1951 |
| Schubin | Significant | Satisfactory | 55 | Other | 1952 |
| Finnon Lake | Significant | Satisfactory | 46 | Water Supply | 2012 |
| Williamson No. 1 | Significant | Poor | 42 | Water Supply | 1926 |
| Auburn Lake Trails | Significant | Satisfactory | 41 | Water Supply | 1978 |
| Holiday Lake | Significant | Satisfactory | 39 | Water Supply | 1951 |
| Georgetown Cntrl | Significant | Satisfactory | 38 | Other | 1956 |
| Aeree | Significant | Satisfactory | 35 | Water Supply | 1951 |
| Shingle Springs Band Of Miwok Indians | Significant | Satisfactory | 33 | Water Supply | 1968 |
| Barnett | Significant | Satisfactory | 18 | Other | 1948 |
| Fallen Leaf Lake Dam | Significant | Not Rated | 12 | Recreation | 1934 |
| Camino | Low | Satisfactory | 133 | Hydroelectric | 1961 |
| Gerle Creek | Low | Satisfactory | 74 | Hydroelectric | 1962 |
| Big Canyon Creek | Low | Satisfactory | 63 | Other | 1935 |
| Straza | Low | Satisfactory | 62 | Other | 1971 |
| Jacobs Creek | Low | Satisfactory | 53 | Water Supply | 1948 |
| Robbs Peak | Low | Satisfactory | 50 | Hydroelectric | 1963 |
| Abrams | Low | Satisfactory | 37 | Water Supply | 1950 |
| Gastaldi | Low | Satisfactory | 36 | Other | 1951 |
| Rock Creek | Low | Satisfactory | 35 | Other | 1932 |
| D'agostini | Low | Satisfactory | 32 | Water Supply | 1950 |
| Aukum View | Low | Satisfactory | 32 | Water Supply | 1962 |
| Buck Island Auxiliary | Low | Satisfactory | 25 | Hydroelectric | 1963 |
| Cross Creek Ranch | Low | Satisfactory | 23 | Water Supply | 1949 |
| Blakely | Low | Poor | 19 | Water Supply | 1875 |
| Sun Ridge Meadow | Low | Satisfactory | 18 | Water Supply | 1990 |
| Tallac | Low | Satisfactory | 16 | Other | 1970 |
| Rubicon Auxiliary | Low | Satisfactory | 13 | Hydroelectric | 1963 |