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 1–25 of 106
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Woodward Stanislaus County | 58 | 1918 | High | Fair |
| Willow Hill Reservoir Sacramento County | 24 | — | High | Fair |
| Veterans Home Napa County | 47 | 1908 | High | Fair |
| Veeder Hills Dam Napa County | 42 | — | Significant | Fair |
| Vail Riverside County | 152 | 1949 | High | Fair |
| Upper Twin Lake Mono County | 14 | 1905 | High | Fair |
| Upper Settling Basin Santa Clara County | 58 | — | Low | Fair |
| Turlock Lake Stanislaus County | 36 | 1915 | High | Fair |
| Tiger Creek Regulator Amador County | 115 | 1931 | Significant | Fair |
| Tiger Creek Afterbay Amador County | 120 | 1931 | High | Fair |
| Thermalito Afterbay Butte County | 39 | 1967 | High | Fair |
| Sweetwater Main San Diego County | 112 | 1888 | High | Fair |
| Suttenfield Sonoma County | 76 | 1938 | High | Fair |
| Strawberry Tuolumne County | 143 | 1916 | High | Fair |
| Stevens Creek Santa Clara County | 132 | 1935 | High | Fair |
| Silacci Monterey County | 32 | 1915 | Significant | Fair |
| Scott Lake County | 138 | 1921 | High | Fair |
| Schneider Sacramento County | 22 | 1941 | Low | Fair |
| Sawpit Debris Basin Los Angeles County | 82 | 1955 | High | Fair |
| Santa Anita Debris Basin Los Angeles County | 56 | 1960 | Low | Fair |
| San Joaquin No. 3 Forebay Madera County | 40 | 1906 | Low | Fair |
| San Antonio Monterey County | 202 | 1965 | High | Fair |
| San Andreas San Mateo County | 107 | 1870 | High | Fair |
| Sabrina Inyo County | 70 | 1908 | High | Fair |
| Redwood Landfill Leachate Impoundment Marin County | 10 | 1991 | Significant | Fair |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.