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 176–200 of 821
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| San Dimas Los Angeles County | 131 | 1922 | High | Satisfactory |
| San Dieguito San Diego County | 51 | 1918 | High | Satisfactory |
| San Diego Reservoir Tuolumne County | 39 | 1860 | High | Satisfactory |
| Sand Creek Fresno County | 60 | 1980 | High | Satisfactory |
| Sand Canyon Orange County | 58 | 1912 | High | Satisfactory |
| San Antonio Dam San Bernardino County | 160 | 1956 | High | Not Available |
| San Antonio Monterey County | 202 | 1965 | High | Fair |
| San Andreas San Mateo County | 107 | 1870 | High | Fair |
| Salt Springs Valley Calaveras County | 47 | 1882 | High | Poor |
| Salt Springs Calaveras County | 328 | 1931 | High | Satisfactory |
| Salinas Dam San Luis Obispo County | 135 | 1941 | High | Not Available |
| Saddlebag Lake Mono County | 45 | 1921 | High | Satisfactory |
| Sabrina Inyo County | 70 | 1908 | High | Fair |
| R. W. Matthews Trinity County | 150 | 1962 | High | Satisfactory |
| Rush Meadows Mono County | 50 | 1925 | High | Poor |
| Runkle Ventura County | 41 | 1949 | High | Satisfactory |
| Rucker Lake Nevada County | 22 | 1856 | High | Satisfactory |
| Rubio Debris Basin Los Angeles County | 64 | 1944 | High | Satisfactory |
| Round Valley Butte County | 29 | 1877 | High | Unsatisfactory |
| Round Mountain Mendocino County | 43 | 1964 | High | Satisfactory |
| Rossmoor No. 1 Orange County | 36 | 1964 | High | Satisfactory |
| Rollins Nevada County | 228 | 1965 | High | Satisfactory |
| Rocky Oaks Dam Los Angeles County | 22 | — | High | Not Available |
| Rock Creek Placer County | 36 | 1913 | High | Satisfactory |
| Rock Creek Plumas County | 126 | 1950 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.