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 476–500 of 821
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kern River County Park Kern County | 24 | 1959 | High | Satisfactory |
| Kelly Lake Placer County | 24 | 1928 | High | Satisfactory |
| Kellogg Ballpark Sonoma County | 51 | 1962 | High | Satisfactory |
| Jurupa Basin San Bernardino County | 29 | 2001 | High | Satisfactory |
| Jurupa Basin Riverside County | 22 | 1983 | High | Satisfactory |
| Juncal Santa Barbara County | 160 | 1930 | High | Satisfactory |
| Johnson Ranch Mendocino County | 26 | — | High | Fair |
| Jenks Lake - Dam San Bernardino County | 30 | 1875 | High | Not Rated |
| Jeff Davis Calaveras County | 114 | 1973 | High | Satisfactory |
| J.C. Jacobsen Kern County | 56 | 1973 | High | Satisfactory |
| James Porter Modoc County | 21 | 1928 | High | Satisfactory |
| James J. Lenihan Santa Clara County | 208 | 1953 | High | Fair |
| James H. Turner Alameda County | 193 | 1964 | High | Satisfactory |
| Jackson Meadows Nevada County | 205 | 1965 | High | Satisfactory |
| Jackson Lake Nevada County | 29 | 1943 | High | Satisfactory |
| Jackson Creek Spillway Amador County | 37 | — | High | Satisfactory |
| Jackson Creek Amador County | 193 | 1965 | High | Satisfactory |
| Isabella Dam Kern County | 185 | 1953 | High | Not Available |
| Irrigation Reservoir Kern County | 22 | 1980 | High | Satisfactory |
| Iron Canyon Shasta County | 214 | 1965 | High | Satisfactory |
| Indian Valley Lake County | 225 | 1975 | High | Fair |
| Indian Ole Lassen County | 26 | 1924 | High | Satisfactory |
| Indian Creek El Dorado County | 36 | 1946 | High | Satisfactory |
| Indian Creek Alpine County | 71 | 1967 | High | Satisfactory |
| Independence Sierra County | 31 | 1939 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.