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 426–450 of 455
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Upper Pasture Modoc County | 15 | — | Low | Satisfactory |
| Upper Plaskett Glenn County | 28 | 1955 | Low | Not Rated |
| Upper Rock Lake Main Nevada County | 17 | 1855 | Low | Satisfactory |
| Upper San Fernando Los Angeles County | 82 | 1921 | Low | Satisfactory |
| Upper Sardine Lake Sierra County | 23 | — | Low | Satisfactory |
| Upper Settling Basin Santa Clara County | 58 | — | Low | Fair |
| Upper Stone Canyon Los Angeles County | 111 | 1954 | Low | Satisfactory |
| Upper Sunset Lake Alpine County | 22 | 1904 | Low | Satisfactory |
| Upper Twin Lake Napa County | 19 | 1987 | Low | Satisfactory |
| Vicini Amador County | 19 | 1980 | Low | Satisfactory |
| Walker Creek Marin County | 25 | 1976 | Low | Satisfactory |
| Walker Lake Mono County | 12 | — | Low | Satisfactory |
| Ward Lake Lassen County | 23 | 1889 | Low | Satisfactory |
| Wastewater Storage Placer County | 75 | 1978 | Low | Satisfactory |
| Weaver Lake Dam Nevada County | 27 | 1967 | Low | Not Rated |
| West Side Detention Dike 2 Riverside County | 37 | 1968 | Low | Not Available |
| Wet Meadows Alpine County | 28 | — | Low | Satisfactory |
| Whispering Oaks Mariposa County | 31 | 1968 | Low | Satisfactory |
| White Modoc County | 16 | 1918 | Low | Poor |
| White Pines Calaveras County | 35 | 1970 | Low | Satisfactory |
| White Rock Lake Nevada County | 14 | 1855 | Low | Satisfactory |
| Whittier Reservoir No. 4 Los Angeles County | 55 | 1931 | Low | Satisfactory |
| Wildhorse Modoc County | 12 | 1934 | Low | Not Rated |
| Williams Santa Clara County | 69 | 1895 | Low | Satisfactory |
| Williams Valley Mendocino County | 47 | 1965 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.