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 301–325 of 821
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Harvey Place Alpine County | 72 | 1989 | High | Satisfactory |
| Haynes Reservoir Shasta County | 67 | 1965 | High | Satisfactory |
| Heitz Napa County | 87 | 1991 | High | Satisfactory |
| Hell Hole Placer County | 410 | 1966 | High | Fair |
| Henderson Amador County | 56 | 1923 | High | Fair |
| Henne Napa County | 49 | 1959 | High | Satisfactory |
| Henry J. Mills No. 2 Riverside County | 34 | 1996 | High | Satisfactory |
| Henry J. Mills Reservoir Riverside County | 23 | 1979 | High | Satisfactory |
| Henshaw San Diego County | 123 | 1923 | High | Satisfactory |
| Hernandez San Benito County | 124 | 1962 | High | Satisfactory |
| Hestan Vineyards Dam Napa County | 21 | — | High | Fair |
| Hidden Dam Madera County | 184 | 1975 | High | Not Available |
| Highland Creek Lake County | 75 | 1962 | High | Satisfactory |
| Higuera Santa Clara County | 44 | 1953 | High | Satisfactory |
| Hillside Inyo County | 82 | 1910 | High | Satisfactory |
| Hinkle Placer County | 20 | 1980 | High | Satisfactory |
| Hog Flat Lassen County | 15 | 1891 | High | Satisfactory |
| Homestake Tailings Lake County | 169 | 1990 | High | Satisfactory |
| Hume Lake Fresno County | 54 | 1908 | High | Not Rated |
| Hunters Calaveras County | 59 | 1927 | High | Satisfactory |
| Imperial Diversion Dam Imperial County | 85 | 1938 | High | Not Available |
| Independence Sierra County | 31 | 1939 | High | Satisfactory |
| Indian Creek Alpine County | 71 | 1967 | High | Satisfactory |
| Indian Creek El Dorado County | 36 | 1946 | High | Satisfactory |
| Indian Ole Lassen County | 26 | 1924 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.