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 401–425 of 455
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Sun Ridge Meadow El Dorado County | 18 | 1990 | Low | Satisfactory |
| Surveyors Valley Modoc County | 8 | 1955 | Low | Not Rated |
| S-X Modoc County | 45 | 1917 | Low | Satisfactory |
| Sycamore Reservoir Monterey County | 25 | 1961 | Low | Poor |
| Tallac El Dorado County | 16 | 1970 | Low | Satisfactory |
| Tamarac Lake Alpine County | 21 | 1905 | Low | Satisfactory |
| Tejon Storage 1 Kern County | 32 | 1946 | Low | Satisfactory |
| Tejon Storage 2 Kern County | 67 | 1956 | Low | Satisfactory |
| Telephone Flat Modoc County | 7 | 1931 | Low | Not Rated |
| Terminal Northeast Auxiliary Dam Solano County | 28 | 1959 | Low | Not Available |
| Three Lakes Plumas County | 33 | 1928 | Low | Satisfactory |
| Thurman Shasta County | 63 | 1966 | Low | Satisfactory |
| Tiger Creek Forebay Amador County | 33 | — | Low | Satisfactory |
| Twin Lake Alpine County | 22 | 1903 | Low | Satisfactory |
| Union Main Alpine County | 36 | 1910 | Low | Satisfactory |
| Upper 4s Ranch San Diego County | 28 | 1927 | Low | Satisfactory |
| Upper Biscar Dam (Blm) Lassen County | 13 | 2006 | Low | Not Rated |
| Upper Elder Shasta County | 26 | — | Low | Satisfactory |
| Upper Feeley Nevada County | 23 | 1870 | Low | Satisfactory |
| Upper Gorge Mono County | 44 | 1953 | Low | Satisfactory |
| Upper Hollywood Los Angeles County | 87 | 1933 | Low | Satisfactory |
| Upper Kinney Lake Alpine County | 26 | — | Low | Satisfactory |
| Upper Lindsey Nevada County | 8 | 1870 | Low | Satisfactory |
| Upper Monarch Lake Tulare County | 22 | 1905 | Low | Satisfactory |
| Upper Otay San Diego County | 78 | 1901 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.