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.

DamHazardConditionHeight (ft)PurposeYear
Union ValleyHighSatisfactory455Hydroelectric1962
Slab CreekHighSatisfactory250Hydroelectric1967
Sly ParkHighSatisfactory182Water Supply1955
Mark EdsonHighSatisfactory162Water Supply1962
Ice House MainHighFair152Hydroelectric1959
Chili BarHighFair126Hydroelectric1964
WeberHighSatisfactory92Water Supply1924
El Dorado ForebayHighFair91Hydroelectric1923
Fay GunbyHighSatisfactory40Water Supply1961
PattersonHighSatisfactory37Water Supply1960
Indian CreekHighSatisfactory36Water Supply1946
Volo Mining CompanyHighSatisfactory35Other1958
Lake Aloha MainHighSatisfactory33Hydroelectric1917
Manhattan CreekHighSatisfactory32Water Supply1952
Crystal LakeHighSatisfactory32Water Supply1952
El Dorado HillsHighSatisfactory31Water Supply1980
Cameron ParkHighSatisfactory29Water Supply1951
Emergency Effluent HoldingHighSatisfactory27Water Supply1961
New Bass LakeHighSatisfactory26Water Supply1978
Echo LakeHighSatisfactory14Hydroelectric1992
Brush CreekSignificantSatisfactory213Hydroelectric1970
JunctionSignificantSatisfactory168Hydroelectric1962
Loon Lake AuxiliarySignificantSatisfactory102Hydroelectric1963
NiegelSignificantSatisfactory63Water Supply1951
SchubinSignificantSatisfactory55Other1952
Finnon LakeSignificantSatisfactory46Water Supply2012
Williamson No. 1SignificantPoor42Water Supply1926
Auburn Lake TrailsSignificantSatisfactory41Water Supply1978
Holiday LakeSignificantSatisfactory39Water Supply1951
Georgetown CntrlSignificantSatisfactory38Other1956
AereeSignificantSatisfactory35Water Supply1951
Shingle Springs Band Of Miwok IndiansSignificantSatisfactory33Water Supply1968
BarnettSignificantSatisfactory18Other1948
Fallen Leaf Lake DamSignificantNot Rated12Recreation1934
CaminoLowSatisfactory133Hydroelectric1961
Gerle CreekLowSatisfactory74Hydroelectric1962
Big Canyon CreekLowSatisfactory63Other1935
StrazaLowSatisfactory62Other1971
Jacobs CreekLowSatisfactory53Water Supply1948
Robbs PeakLowSatisfactory50Hydroelectric1963
AbramsLowSatisfactory37Water Supply1950
GastaldiLowSatisfactory36Other1951
Rock CreekLowSatisfactory35Other1932
D'agostiniLowSatisfactory32Water Supply1950
Aukum ViewLowSatisfactory32Water Supply1962
Buck Island AuxiliaryLowSatisfactory25Hydroelectric1963
Cross Creek RanchLowSatisfactory23Water Supply1949
BlakelyLowPoor19Water Supply1875
Sun Ridge MeadowLowSatisfactory18Water Supply1990
TallacLowSatisfactory16Other1970
Rubicon AuxiliaryLowSatisfactory13Hydroelectric1963