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 26–50 of 63
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Nacimiento San Luis Obispo County | 255 | 1956 | High | Poor |
| Morena San Diego County | 181 | 1912 | High | Poor |
| Misselbeck Shasta County | 96 | 1920 | High | Poor |
| Milpitas Monterey County | 22 | 1960 | Low | Poor |
| Matilija Ventura County | 163 | 1949 | High | Poor |
| Magalia Butte County | 103 | 1918 | High | Poor |
| Lower Stoney Valley Monterey County | 35 | 1972 | Low | Poor |
| Lower Blue Lake Alpine County | 40 | 1885 | Low | Poor |
| Lee Lake Riverside County | 47 | 1893 | High | Poor |
| Las Tablas Creek San Luis Obispo County | 40 | 1961 | Low | Poor |
| Lakewood Placer County | 33 | 1959 | High | Poor |
| Lake Helen Sonoma County | 39 | 1966 | High | Poor |
| Lake Fordyce Nevada County | 145 | 1873 | High | Poor |
| Lake Curry Napa County | 107 | 1926 | High | Poor |
| Lake Arrowhead San Bernardino County | 190 | 1922 | Significant | Poor |
| Kelley Hot Spring Fish Modoc County | 30 | — | Significant | Poor |
| James Montgomery Shasta County | 24 | 1869 | Significant | Poor |
| Hughes Monterey County | 50 | 1966 | Low | Poor |
| Guadalupe Santa Clara County | 142 | 1935 | High | Poor |
| Grant Lake Mono County | 87 | 1940 | High | Poor |
| Giles Solano County | 18 | 1965 | High | Poor |
| Gem Lake Mono County | 80 | 1917 | High | Poor |
| Engineer Monterey County | 20 | 1964 | High | Poor |
| El Piojo Monterey County | 25 | 1961 | Low | Poor |
| El Capitan San Diego County | 237 | 1934 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.