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 51–63 of 63
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Dove Canyon Orange County | 88 | 1989 | High | Poor |
| Coyote Santa Clara County | 140 | 1936 | High | Poor |
| Coleman Forebay Shasta County | 20 | 1911 | Low | Poor |
| Coleman Monterey County | 27 | 1965 | Low | Poor |
| Century Los Angeles County | 44 | 1913 | Significant | Poor |
| Castaic Los Angeles County | 340 | 1973 | High | Poor |
| Calero Santa Clara County | 90 | 1935 | High | Poor |
| Blakely El Dorado County | 19 | 1875 | Low | Poor |
| Bear Gulch San Mateo County | 61 | 1896 | High | Poor |
| Bean Hollow #3 San Mateo County | 40 | 1939 | Low | Poor |
| Bean Hollow #2 San Mateo County | 31 | 1938 | Low | Poor |
| Almaden Santa Clara County | 110 | 1936 | High | Poor |
| Agnew Lake Mono County | 30 | 1916 | High | Poor |
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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.