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 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Alta Loma Basin #2 San Bernardino County | 22 | 1971 | High | Satisfactory |
| Amargosa Creek Los Angeles County | 65 | 1998 | High | Satisfactory |
| Amethyst Basin San Bernardino County | 45 | 2019 | High | Satisfactory |
| Anderson Cottonwood Shasta County | 24 | 1917 | Low | Satisfactory |
| Anderson Ranch Nevada County | 47 | 1989 | Low | Satisfactory |
| Andrew Cademartori Calaveras County | 80 | 1983 | High | Satisfactory |
| Angwin Napa County | 35 | 1967 | High | Satisfactory |
| Antelope Kern County | 57 | 1987 | High | Satisfactory |
| Antelope Plumas County | 113 | 1964 | High | Satisfactory |
| Anthony House Nevada County | 75 | 1970 | High | Satisfactory |
| Antioch Reservoir Contra Costa County | 30 | 1935 | High | Satisfactory |
| Argyle No. 2 Contra Costa County | 27 | 1970 | High | Satisfactory |
| Arroyo Seco Amador County | 67 | 1957 | High | Satisfactory |
| Arundell Barranca Ventura County | 57 | 1996 | High | Satisfactory |
| Asti Sonoma County | 34 | 1955 | Low | Satisfactory |
| Atascadero Park San Luis Obispo County | 18 | 1918 | High | Satisfactory |
| Auburn Lake Trails El Dorado County | 41 | 1978 | Significant | Satisfactory |
| Auburn Valley Country Club #3 Placer County | 39 | 1959 | Low | Satisfactory |
| Aukum View El Dorado County | 32 | 1962 | Low | Satisfactory |
| Austrian Santa Clara County | 185 | 1950 | High | Satisfactory |
| Axell Sonoma County | 43 | 1952 | High | Satisfactory |
| Azalea Sonoma County | 44 | 1955 | High | Satisfactory |
| Bailey Debris Basin Los Angeles County | 43 | 1954 | High | Satisfactory |
| Balch Afterbay Fresno County | 165 | 1928 | High | Satisfactory |
| Balch Diversion Fresno County | 135 | 1927 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.