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 726–750 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake William Napa County | 66 | 1960 | High | Satisfactory |
| Lakeview Riverside County | 37 | 1994 | High | Satisfactory |
| Lake Vera Nevada County | 16 | 1926 | Low | Satisfactory |
| Lake Valley Main Placer County | 75 | 1889 | High | Satisfactory |
| Lake Theodore Placer County | 40 | 1896 | High | Satisfactory |
| Lake Temescal Alameda County | 116 | 1869 | High | Satisfactory |
| Lake Tahoe Dam Placer County | 18 | 1913 | High | Not Available |
| Lake Sterling Nevada County | 34 | 1858 | Low | Satisfactory |
| Lake Spaulding No. 1 Nevada County | 277 | 1912 | High | Fair |
| 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 O'Neill Dam San Diego County | 17 | 1883 | High | Fair |
| Lake Mission Viejo Orange County | 123 | 1976 | High | Satisfactory |
| Lake Mary Placer County | 22 | 1926 | Low | Satisfactory |
| Lake Mary Mono County | 10 | 1934 | High | Not Rated |
| Lake Marie Napa County | 60 | 1908 | High | Satisfactory |
| Lake Mamie Mono County | 6 | 1968 | Significant | Not Rated |
| 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 |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.