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 551–575 of 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Sherwood Ventura County | 45 | 1904 | High | Satisfactory |
| Lake Ranch Santa Clara County | 38 | 1877 | High | Satisfactory |
| Lake Ralphine Sonoma County | 35 | 1882 | High | Satisfactory |
| Lakeport Lake County | 51 | 1980 | High | Satisfactory |
| Lake Orinda Contra Costa County | 45 | 1935 | High | Satisfactory |
| Lake Mission Viejo Orange County | 123 | 1976 | High | Satisfactory |
| Lake Mary Placer County | 22 | 1926 | Low | Satisfactory |
| Lake Marie Napa County | 60 | 1908 | High | Satisfactory |
| Lake Madrone Butte County | 37 | 1931 | High | Satisfactory |
| Lake Madigan Solano County | 89 | 1908 | High | Satisfactory |
| Lake Lucerne San Mateo County | 21 | 1923 | Low | Satisfactory |
| Lake Loveland San Diego County | 203 | 1945 | High | Satisfactory |
| Lake Los Carneros Santa Barbara County | 31 | 1932 | High | Satisfactory |
| Lake Leticia Napa County | 49 | 1960 | High | Satisfactory |
| Lake Leavitt Lassen County | 17 | 1891 | Significant | Satisfactory |
| Lake La Verne Napa County | 50 | 1956 | Significant | Satisfactory |
| Lake Jane Madera County | 37 | 1961 | Low | Satisfactory |
| Lake Herman Solano County | 51 | 1905 | High | Satisfactory |
| Lake Hemet Riverside County | 135 | 1895 | High | Satisfactory |
| Lake Gregory San Bernardino County | 90 | 1938 | High | Satisfactory |
| Lake Francis Yuba County | 79 | 2000 | High | Satisfactory |
| Lake Eleanor Tuolumne County | 61 | 1918 | High | Satisfactory |
| Lake Eleanor Ventura County | 37 | 1881 | High | Satisfactory |
| Lake Cynthia Napa County | 20 | 1955 | High | Satisfactory |
| Lake Cuyamaca San Diego County | 17 | 1968 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.