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 801–825 of 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Puddingstone Diversion Los Angeles County | 34 | 1928 | High | Satisfactory |
| Putts Lake Placer County | 19 | 1916 | High | Satisfactory |
| Quail Los Angeles County | 50 | 1981 | High | Satisfactory |
| Quail Valley Riverside County | 37 | 1959 | High | Satisfactory |
| Quarry Pits Alameda County | 26 | 1997 | High | Satisfactory |
| Quartz Tuolumne County | 104 | 1978 | Low | Satisfactory |
| Railroad Canyon Riverside County | 94 | 1928 | High | Satisfactory |
| Rains Creek Lassen County | 15 | 1960 | High | Satisfactory |
| Ramona San Diego County | 228 | 1988 | High | Satisfactory |
| Rancho Cielito San Bernardino County | 9 | 1912 | High | Satisfactory |
| Rancho Del Ciervo Santa Barbara County | 65 | 1938 | High | Satisfactory |
| Rancho Seco Sacramento County | 58 | 1972 | High | Satisfactory |
| Ray Soule Reservoir Siskiyou County | 28 | 1953 | Significant | Satisfactory |
| Reba Alpine County | 70 | 1965 | High | Satisfactory |
| Reclaimed Water Reservoir Shasta County | 37 | 1995 | Low | Satisfactory |
| Rector Creek Napa County | 164 | 1946 | High | Satisfactory |
| Redbank Fresno County | 33 | 1962 | High | Satisfactory |
| Redbank Creek Detention Basin Fresno County | 17 | 1990 | High | Satisfactory |
| Redhawk Lake Calaveras County | 33 | 1882 | High | Satisfactory |
| Red Lake Alpine County | 35 | 1924 | High | Satisfactory |
| Red Mountain Reservoir San Diego County | 120 | 1985 | High | Satisfactory |
| Red Rock No. 1 Lassen County | 63 | 1893 | High | Satisfactory |
| Reid Calaveras County | 32 | 1969 | Low | Satisfactory |
| Renner Sibley Creek Modoc County | 28 | 1959 | Low | Satisfactory |
| Reservoir A Placer County | 93 | 1973 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.