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 51–75 of 106
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Alta Placer County | 22 | 1862 | High | Fair |
| Lake Buck Sierra County | 37 | 1951 | Low | Fair |
| Lake Combie Nevada County | 100 | 1928 | High | Fair |
| Lake Frey Solano County | 83 | 1894 | High | Fair |
| Lake O'Neill Dam San Diego County | 17 | 1883 | High | Fair |
| Lake Spaulding No. 1 Nevada County | 277 | 1912 | High | Fair |
| Lake Wohlford San Diego County | 100 | 1924 | High | Fair |
| Lost Creek Butte County | 122 | 1924 | High | Fair |
| Lower Bucks Lake Plumas County | 99 | 1928 | High | Fair |
| Lower Twin Lake Mono County | 16 | 1888 | High | Fair |
| Lynch Canyon Solano County | 21 | — | High | Fair |
| Mccloud Shasta County | 255 | 1965 | High | Fair |
| Mcswain Mariposa County | 97 | 1966 | High | Fair |
| Mcvicker Canyon Debris Basin Riverside County | 55 | — | High | Fair |
| Mendocino Middle Mendocino County | 39 | 1908 | High | Fair |
| Merced Falls Merced County | 43 | 1901 | High | Fair |
| Mill Creek Santa Cruz County | 76 | 1889 | High | Fair |
| Mill Pond Mendocino County | 33 | 1885 | Low | Fair |
| Moccasin Lower Tuolumne County | 60 | 1930 | High | Fair |
| Mt. Woodson San Diego County | 38 | 1958 | High | Fair |
| Murray San Diego County | 110 | 1918 | High | Fair |
| Newell Santa Cruz County | 182 | 1960 | High | Fair |
| Parish Camp Saddle Butte County | 36 | 1968 | High | Fair |
| Patterson Alameda County | 39 | 1962 | High | Fair |
| Patterson Alameda County | 100 | 1962 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.