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 1426–1436 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Agua Chinon Orange County | 41 | 1998 | High | Satisfactory |
| Agnew Lake Mono County | 30 | 1916 | High | Poor |
| Aeree El Dorado County | 35 | 1951 | Significant | Satisfactory |
| Adobe Creek Lake County | 36 | 1962 | High | Satisfactory |
| Abrams El Dorado County | 37 | 1950 | Low | Satisfactory |
| A and C Modoc County | 13 | 1923 | Low | Satisfactory |
| #6 Monterey County | 68 | — | High | Not Available |
| 4-S Ranch Reclamation Reservoir San Diego County | 22 | 2000 | High | Satisfactory |
| 30 Mg Central Reservoir Orange County | 30 | 1924 | High | Satisfactory |
| 18 Mg Walteria Los Angeles County | 31 | 1987 | High | Satisfactory |
| 10 Mg Walteria Los Angeles County | 40 | 1953 | High | Satisfactory |
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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.