California Dams
1,436 dams tracked by the National Inventory of Dams
Total Dams
1,436
High Hazard
821
57.2%
Poor / Unsatisfactory
66
Average Age
77 yrs
Hazard Classification
High821 (57.2%)
Significant160 (11.1%)
Low455 (31.7%)
Condition Assessment
Satisfactory1,093 (76.1%)
Fair106 (7.4%)
Poor / Unsatisfactory66 (4.6%)
Not Rated171 (11.9%)
Federal
163
State
50
Local
322
Private
617
Tallest Dams
- New Bullards Bar645 ft
- New Melones Dam625 ft
- Shasta Dam602 ft
- Don Pedro Main585 ft
- Seven Oaks550 ft
High Hazard Dams
- New Bullards BarHigh
- New Melones DamHigh
- Shasta DamHigh
- Don Pedro MainHigh
- Seven OaksHigh
Poor Condition Dams
- CastaicPoor
- NacimientoPoor
- AndersonUnsatisfactory
- El CapitanPoor
- Santa FeliciaPoor
All Dams in California
Showing 1351–1375 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Upper Oso Orange County | 142 | 1979 | High | Satisfactory |
| Upper Otay San Diego County | 78 | 1901 | Low | Satisfactory |
| Upper Pasture Modoc County | 15 | — | Low | Satisfactory |
| Upper Peak Lake Placer County | 39 | 1850 | High | Satisfactory |
| Upper Plaskett Glenn County | 28 | 1955 | Low | Not Rated |
| Upper Pond San Mateo County | 30 | — | Significant | Not Available |
| Upper Rock Lake Main Nevada County | 17 | 1855 | Low | Satisfactory |
| Upper Salmon Sierra County | 13 | 1899 | Significant | Not Rated |
| Upper Sand Creek Detention Basin Contra Costa County | 40 | 2014 | High | Satisfactory |
| Upper San Fernando Los Angeles County | 82 | 1921 | Low | Satisfactory |
| Upper Sardine Lake Sierra County | 23 | — | Low | Satisfactory |
| Upper Settling Basin Santa Clara County | 58 | — | Low | Fair |
| Upper Stehly San Diego County | 29 | 1999 | High | Satisfactory |
| Upper Stone Canyon Los Angeles County | 111 | 1954 | Low | Satisfactory |
| Upper Sunset Lake Alpine County | 22 | 1904 | Low | Satisfactory |
| Upper Twin Lake Napa County | 19 | 1987 | Low | Satisfactory |
| Upper Twin Lake Mono County | 14 | 1905 | High | Fair |
| Upper Wilcox Madera County | 48 | 1930 | High | Satisfactory |
| Usibelli No. 2 Napa County | 26 | 1973 | High | Satisfactory |
| Utica Main Alpine County | 59 | 1903 | High | Satisfactory |
| Uvas Santa Clara County | 118 | 1957 | High | Satisfactory |
| Vail Riverside County | 152 | 1949 | High | Fair |
| Van Vleck Sacramento County | 26 | 1950 | Significant | Satisfactory |
| Vasona Percolating Santa Clara County | 34 | 1935 | High | Satisfactory |
| Vassar Lake Dam Yuba County | 25 | 1962 | Significant | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.