Dams in San Diego County, California

59Total Dams
42High Hazard
2Significant

Dam Safety in San Diego County, California

San Diego County has 59 dams tracked in the National Inventory of Dams. Of these, 42 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.

The average dam in San Diego County is 73 years old. The most common purpose is water supply. The tallest dam is San Vicente at 338 ft.

DamHazardConditionHeight (ft)PurposeYear
San VicenteHighSatisfactory338Other1943
OlivenhainHighSatisfactory309Water Supply2003
El CapitanHighPoor237Water Supply1934
RamonaHighSatisfactory228Water Supply1988
Lake LovelandHighSatisfactory203Water Supply1945
Chet HarrittHighSatisfactory200Water Supply1962
MorenaHighPoor181Water Supply1912
MaerkleHighSatisfactory165Water Supply1963
MiramarHighSatisfactory165Water Supply1960
PowayHighSatisfactory162Water Supply1971
SutherlandHighSatisfactory162Other1954
BarrettHighPoor161Water Supply1922
SavageHighPoor149Water Supply1919
Lake HodgesHighUnsatisfactory131Water Supply1918
HenshawHighSatisfactory123Water Supply1923
Red Mountain ReservoirHighSatisfactory120Water Supply1985
DixonHighSatisfactory116Water Supply1970
Sweetwater MainHighFair112Water Supply1888
TurnerHighSatisfactory111Water Supply1971
MurrayHighFair110Water Supply1918
Lake WohlfordHighFair100Water Supply1924
San MarcosHighSatisfactory85Water Supply1958
Stanley A. Mahr ReservoirHighSatisfactory79Water Supply1981
CalaveraHighSatisfactory67Water Supply1940
Palo VerdeHighSatisfactory67Water Supply1970
Ler StehlyHighSatisfactory60Water Supply
Melrose AvenueHighSatisfactory57Flood Risk Reduction1998
Black Mountain Water TankHighSatisfactory55Water Supply2002
Bernardo ReservoirHighSatisfactory54Water Supply1964
San MarcosHighSatisfactory52Other1946
San DieguitoHighSatisfactory51Other1918
ChollasHighSatisfactory50Other1901
Blossom Valley ReservoirHighSatisfactory42Water Supply1962
CuyamacaHighSatisfactory40Other1887
Mt. WoodsonHighSatisfactory38Water Supply1958
FairbanksHighSatisfactory36Water Supply1927
EastlakeHighSatisfactory35Water Supply1986
San Vicente Storage Pond 2HighSatisfactory30Water Supply1991
Upper StehlyHighSatisfactory29Water Supply1999
Santa MariaHighSatisfactory25Water Supply1995
4-s Ranch Reclamation ReservoirHighSatisfactory22Water Supply2000
Lake O'neill DamHighFair17Fire Protection, Stock, Or Small Fish Pond1883
San Vicente Storage Pond 3SignificantSatisfactory24Water Supply2002
Waste PondSignificantNot Available20Water Supply
BeckLowSatisfactory95Water Supply1983
Upper OtayLowSatisfactory78Water Supply1901
Case Springs DamLowFair51Fire Protection, Stock, Or Small Fish Pond1900
WuestLowSatisfactory50Water Supply1928
MatthewsLowSatisfactory47Water Supply1967
Pulgas Lake DamLowFair44Fire Protection, Stock, Or Small Fish Pond1953
Agua TibiaLowSatisfactory35Water Supply1947
Henry Jr.LowSatisfactory33Water Supply1929
Bonita Long CanyonLowSatisfactory29Flood Risk Reduction1986
Upper 4s RanchLowSatisfactory28Water Supply1927
Santa Fe Seasonal StorageLowSatisfactory22Water Supply2004
Lake CuyamacaLowSatisfactory17Water Supply1968
Corte MaderaLowSatisfactory16Water Supply1919
Rutherford #2LowNot Rated15Other1952
Pilgrim Creek Lake DamLowPoor14Recreation1973