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 801–825 of 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Eastlake San Diego County | 35 | 1986 | High | Satisfactory |
| East Hicks Canyon Retarding Basin Orange County | 49 | 1997 | Low | Satisfactory |
| East Glorietta Los Angeles County | 22 | 1932 | High | Satisfactory |
| Eastfoot Retarding Basin Orange County | 39 | 2007 | High | Satisfactory |
| Eagle Rock Los Angeles County | 113 | 1953 | High | Satisfactory |
| Eagle Ranch San Luis Obispo County | 55 | 1974 | High | Satisfactory |
| Eagle Canyon Debris Basin Riverside County | 60 | 2015 | High | Satisfactory |
| Eagle Canyon Canal Diversion Tehama County | 11 | 1910 | Low | Satisfactory |
| Dwight Hammond Siskiyou County | 25 | 1959 | Low | Satisfactory |
| Duvall Napa County | 30 | 1940 | High | Satisfactory |
| Dutch Flat Forebay Nevada County | 105 | 1966 | Low | Satisfactory |
| Dutch Flat Afterbay Nevada County | 165 | 1965 | Low | Satisfactory |
| Dutcher Creek Sonoma County | 43 | 1992 | High | Satisfactory |
| Dunsmuir Reservoir Alameda County | 43 | 1968 | High | Satisfactory |
| Dunn Ranch Riverside County | 44 | 1987 | Low | Satisfactory |
| Duncan Creek Diversion Placer County | 32 | 1965 | Low | Satisfactory |
| Duncan Modoc County | 19 | 1919 | Low | Satisfactory |
| Dry Creek Contra Costa County | 30 | 1963 | High | Satisfactory |
| Dry Canyon Los Angeles County | 66 | 1912 | High | Satisfactory |
| Drum Forebay Placer County | 65 | 1913 | High | Satisfactory |
| Drum Afterbay Placer County | 102 | 1968 | Low | Satisfactory |
| Drinkwater Los Angeles County | 105 | 1923 | Significant | Satisfactory |
| Dos Pueblos Santa Barbara County | 78 | 1946 | High | Satisfactory |
| Don Pedro Main Tuolumne County | 585 | 1971 | High | Satisfactory |
| Donovan Modoc County | 28 | 1953 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.