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 776–800 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lower Franklin Los Angeles County | 103 | 1922 | High | Satisfactory |
| Lower Franklin No. 2 Los Angeles County | 49 | 1982 | Low | Satisfactory |
| Lower Howell Santa Clara County | 39 | 1877 | Significant | Satisfactory |
| Lower Kinney Lake Alpine County | 40 | 1926 | Low | Satisfactory |
| Lower Lindsey Nevada County | 16 | 1870 | Low | Satisfactory |
| Lower Peak Lake Main Placer County | 31 | 1860 | High | Satisfactory |
| Lower Peters Canyon Retarding Basin Orange County | 52 | 1990 | High | Satisfactory |
| Lower Pond / Pond 1 Sacramento County | 40 | — | High | Not Available |
| Lower Rock Lake Nevada County | 11 | 1855 | Low | Satisfactory |
| Lower San Fernando Los Angeles County | 125 | 1918 | High | Satisfactory |
| Lower Sardine Lake Sierra County | 17 | 1965 | Low | Satisfactory |
| Lower Stehly San Diego County | 60 | — | High | Satisfactory |
| Lower Stoney Valley Monterey County | 35 | 1972 | Low | Poor |
| Lower Sunset Alpine County | 38 | — | Low | Satisfactory |
| Lower Sunset Debris Basin Los Angeles County | 86 | 1963 | High | Satisfactory |
| Lower Twin Lake Napa County | 18 | 1985 | Low | Satisfactory |
| Lower Twin Lake Mono County | 16 | 1888 | High | Fair |
| Lower Van Norman Bypass Los Angeles County | 78 | 1970 | Low | Satisfactory |
| Lowrey No. 1 Sonoma County | 19 | 1954 | Significant | Satisfactory |
| Lundy Lake Mono County | 48 | 1911 | High | Satisfactory |
| Lynch Canyon Solano County | 21 | — | High | Fair |
| Lyons Tuolumne County | 132 | 1930 | High | Satisfactory |
| Lytton Sonoma County | 34 | 1956 | High | Satisfactory |
| Mabey Canyon Riverside County | 46 | 1974 | High | Satisfactory |
| Macumber Shasta County | 27 | 1907 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.