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 701–725 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Ranch Santa Clara County | 38 | 1877 | High | Satisfactory |
| Lake Sherwood Ventura County | 45 | 1904 | High | Satisfactory |
| Lake Spaulding No. 1 Nevada County | 277 | 1912 | High | Fair |
| Lake Sterling Nevada County | 34 | 1858 | Low | Satisfactory |
| Lake Tahoe Dam Placer County | 18 | 1913 | High | Not Available |
| Lake Temescal Alameda County | 116 | 1869 | High | Satisfactory |
| Lake Theodore Placer County | 40 | 1896 | High | Satisfactory |
| Lake Valley Main Placer County | 75 | 1889 | High | Satisfactory |
| Lake Vera Nevada County | 16 | 1926 | Low | Satisfactory |
| Lakeview Riverside County | 37 | 1994 | High | Satisfactory |
| Lake William Napa County | 66 | 1960 | High | Satisfactory |
| Lake Wohlford San Diego County | 100 | 1924 | High | Fair |
| Lakewood Placer County | 33 | 1959 | High | Poor |
| Lake Wyandotte Butte County | 46 | 1924 | High | Satisfactory |
| Lake Yosemite Merced County | 53 | 1888 | High | Satisfactory |
| Lang Creek Detention Basin Ventura County | 67 | 2004 | High | Satisfactory |
| Langtry Lake County | 50 | 1992 | Low | Satisfactory |
| Larson Tulare County | 54 | 1963 | Significant | Satisfactory |
| Las Llajas Ventura County | 96 | 1981 | High | Satisfactory |
| Las Tablas Creek San Luis Obispo County | 40 | 1961 | Low | Poor |
| Last Chance Weir Fresno County | 24 | 1919 | Low | Satisfactory |
| La Tuna Debris Basin Los Angeles County | 47 | 1960 | High | Satisfactory |
| Lauer Modoc County | 13 | 1895 | High | Not Available |
| Laurel Creek San Mateo County | 40 | 1969 | High | Satisfactory |
| Laurel Springs Club Santa Clara County | 28 | 1968 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.