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.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| San Vicente | High | Satisfactory | 338 | Other | 1943 |
| Olivenhain | High | Satisfactory | 309 | Water Supply | 2003 |
| El Capitan | High | Poor | 237 | Water Supply | 1934 |
| Ramona | High | Satisfactory | 228 | Water Supply | 1988 |
| Lake Loveland | High | Satisfactory | 203 | Water Supply | 1945 |
| Chet Harritt | High | Satisfactory | 200 | Water Supply | 1962 |
| Morena | High | Poor | 181 | Water Supply | 1912 |
| Maerkle | High | Satisfactory | 165 | Water Supply | 1963 |
| Miramar | High | Satisfactory | 165 | Water Supply | 1960 |
| Poway | High | Satisfactory | 162 | Water Supply | 1971 |
| Sutherland | High | Satisfactory | 162 | Other | 1954 |
| Barrett | High | Poor | 161 | Water Supply | 1922 |
| Savage | High | Poor | 149 | Water Supply | 1919 |
| Lake Hodges | High | Unsatisfactory | 131 | Water Supply | 1918 |
| Henshaw | High | Satisfactory | 123 | Water Supply | 1923 |
| Red Mountain Reservoir | High | Satisfactory | 120 | Water Supply | 1985 |
| Dixon | High | Satisfactory | 116 | Water Supply | 1970 |
| Sweetwater Main | High | Fair | 112 | Water Supply | 1888 |
| Turner | High | Satisfactory | 111 | Water Supply | 1971 |
| Murray | High | Fair | 110 | Water Supply | 1918 |
| Lake Wohlford | High | Fair | 100 | Water Supply | 1924 |
| San Marcos | High | Satisfactory | 85 | Water Supply | 1958 |
| Stanley A. Mahr Reservoir | High | Satisfactory | 79 | Water Supply | 1981 |
| Calavera | High | Satisfactory | 67 | Water Supply | 1940 |
| Palo Verde | High | Satisfactory | 67 | Water Supply | 1970 |
| Ler Stehly | High | Satisfactory | 60 | Water Supply | |
| Melrose Avenue | High | Satisfactory | 57 | Flood Risk Reduction | 1998 |
| Black Mountain Water Tank | High | Satisfactory | 55 | Water Supply | 2002 |
| Bernardo Reservoir | High | Satisfactory | 54 | Water Supply | 1964 |
| San Marcos | High | Satisfactory | 52 | Other | 1946 |
| San Dieguito | High | Satisfactory | 51 | Other | 1918 |
| Chollas | High | Satisfactory | 50 | Other | 1901 |
| Blossom Valley Reservoir | High | Satisfactory | 42 | Water Supply | 1962 |
| Cuyamaca | High | Satisfactory | 40 | Other | 1887 |
| Mt. Woodson | High | Satisfactory | 38 | Water Supply | 1958 |
| Fairbanks | High | Satisfactory | 36 | Water Supply | 1927 |
| Eastlake | High | Satisfactory | 35 | Water Supply | 1986 |
| San Vicente Storage Pond 2 | High | Satisfactory | 30 | Water Supply | 1991 |
| Upper Stehly | High | Satisfactory | 29 | Water Supply | 1999 |
| Santa Maria | High | Satisfactory | 25 | Water Supply | 1995 |
| 4-s Ranch Reclamation Reservoir | High | Satisfactory | 22 | Water Supply | 2000 |
| Lake O'neill Dam | High | Fair | 17 | Fire Protection, Stock, Or Small Fish Pond | 1883 |
| San Vicente Storage Pond 3 | Significant | Satisfactory | 24 | Water Supply | 2002 |
| Waste Pond | Significant | Not Available | 20 | Water Supply | |
| Beck | Low | Satisfactory | 95 | Water Supply | 1983 |
| Upper Otay | Low | Satisfactory | 78 | Water Supply | 1901 |
| Case Springs Dam | Low | Fair | 51 | Fire Protection, Stock, Or Small Fish Pond | 1900 |
| Wuest | Low | Satisfactory | 50 | Water Supply | 1928 |
| Matthews | Low | Satisfactory | 47 | Water Supply | 1967 |
| Pulgas Lake Dam | Low | Fair | 44 | Fire Protection, Stock, Or Small Fish Pond | 1953 |
| Agua Tibia | Low | Satisfactory | 35 | Water Supply | 1947 |
| Henry Jr. | Low | Satisfactory | 33 | Water Supply | 1929 |
| Bonita Long Canyon | Low | Satisfactory | 29 | Flood Risk Reduction | 1986 |
| Upper 4s Ranch | Low | Satisfactory | 28 | Water Supply | 1927 |
| Santa Fe Seasonal Storage | Low | Satisfactory | 22 | Water Supply | 2004 |
| Lake Cuyamaca | Low | Satisfactory | 17 | Water Supply | 1968 |
| Corte Madera | Low | Satisfactory | 16 | Water Supply | 1919 |
| Rutherford #2 | Low | Not Rated | 15 | Other | 1952 |
| Pilgrim Creek Lake Dam | Low | Poor | 14 | Recreation | 1973 |