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 876–900 of 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| San Felipe Ranch Santa Clara County | 49 | 1959 | Low | Satisfactory |
| San Gabriel Los Angeles County | 381 | 1937 | High | Satisfactory |
| Sanhedrin Ranch Glenn County | 27 | 1967 | Low | Satisfactory |
| San Joaquin Reservoir Orange County | 224 | 1966 | High | Satisfactory |
| San Lorenzo Creek Alameda County | 65 | 1964 | High | Satisfactory |
| San Marcos San Luis Obispo County | 42 | 1964 | High | Satisfactory |
| San Marcos San Diego County | 52 | 1946 | High | Satisfactory |
| San Marcos San Diego County | 85 | 1958 | High | Satisfactory |
| San Pablo Contra Costa County | 170 | 1920 | High | Satisfactory |
| San Sevaine Basin #5 San Bernardino County | 49 | 2004 | High | Satisfactory |
| Santa Fe Seasonal Storage San Diego County | 22 | 2004 | High | Satisfactory |
| Santa Maria San Diego County | 25 | 1995 | High | Satisfactory |
| Santa Monica Debris Basin Santa Barbara County | 102 | 1978 | High | Satisfactory |
| Santa Rosa Creek Reservoir Sonoma County | 37 | 1963 | High | Satisfactory |
| Santa Ynez Canyon Los Angeles County | 157 | 1968 | High | Satisfactory |
| San Vicente San Diego County | 338 | 1943 | High | Satisfactory |
| San Vicente Storage Pond 2 San Diego County | 30 | 1991 | High | Satisfactory |
| San Vicente Storage Pond 3 San Diego County | 24 | 2002 | Significant | Satisfactory |
| Sawmill Main Nevada County | 60 | 1910 | Low | Satisfactory |
| Sawpit Los Angeles County | 150 | 1927 | High | Satisfactory |
| Schadler Modoc County | 39 | 1967 | Low | Satisfactory |
| Schoolhouse Debris Basin Los Angeles County | 38 | 1962 | High | Satisfactory |
| Schubin El Dorado County | 55 | 1952 | Significant | Satisfactory |
| Scott Lake Alpine County | 35 | 1926 | Low | Satisfactory |
| Scotts Canyon Napa County | 41 | 1948 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.