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 126–150 of 160
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Rubber Dam 3 Alameda County | 17 | 1990 | Significant | Satisfactory |
| San Vicente Storage Pond 3 San Diego County | 24 | 2002 | Significant | Satisfactory |
| Schubin El Dorado County | 55 | 1952 | Significant | Satisfactory |
| Scotts Canyon Napa County | 41 | 1948 | Significant | Satisfactory |
| Sempervirens Santa Cruz County | 42 | 1951 | Significant | Satisfactory |
| Sheep Canyon San Bernardino County | 35 | 1941 | Significant | Not Rated |
| Shingle Springs Band of Miwok Indians El Dorado County | 33 | 1968 | Significant | Satisfactory |
| Shinn Alameda County | 45 | 1987 | Significant | Satisfactory |
| Silacci Monterey County | 32 | 1915 | Significant | Fair |
| Slickrock Creek Shasta County | 155 | 2004 | Significant | Satisfactory |
| Small Arms Range Lake Dam Yuba County | 12 | 1962 | Significant | Not Available |
| Snag Lake Sierra County | 8 | 1899 | Significant | Not Rated |
| Spring Madera County | 41 | 1971 | Significant | Satisfactory |
| Steamboat Lake Siskiyou County | 22 | 1968 | Significant | Satisfactory |
| Svcsd Reclamation Pond 1 Sonoma County | 17 | 1990 | Significant | Satisfactory |
| Svcsd Reclamation Pond 2 Sonoma County | 19 | 1990 | Significant | Satisfactory |
| Taylor Creek No. 1 Modoc County | 34 | 1952 | Significant | Satisfactory |
| Thompson Los Angeles County | 114 | 1925 | Significant | Satisfactory |
| Tiger Creek Regulator Amador County | 115 | 1931 | Significant | Fair |
| Toreson Modoc County | 55 | 1898 | Significant | Satisfactory |
| Trout Lake Siskiyou County | 40 | 1960 | Significant | Satisfactory |
| Upper Blackwelder Dam Yuba County | 19 | 1955 | Significant | Not Available |
| Upper Franklin Dam Los Angeles County | 40 | 1915 | Significant | Not Available |
| Upper Howell Santa Clara County | 36 | 1878 | Significant | Satisfactory |
| Upper Pond San Mateo County | 30 | — | Significant | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.