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 1026–1050 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Poore Lake Reservoir Mono County | 23 | 1900 | Low | Satisfactory |
| Portal Forebay Main Fresno County | 65 | 1956 | Low | Satisfactory |
| Portola Orange County | 53 | 1980 | High | Satisfactory |
| Potrero Los Angeles County | 40 | 1967 | High | Satisfactory |
| Poway San Diego County | 162 | 1971 | High | Satisfactory |
| Prado Dam Riverside County | 106 | 1941 | High | Not Available |
| Prenda Riverside County | 44 | 1954 | High | Satisfactory |
| Preston Amador County | 40 | 1949 | High | Satisfactory |
| Preston Forebay Amador County | 40 | 1892 | Low | Satisfactory |
| Priest Tuolumne County | 168 | 1923 | High | Satisfactory |
| Prosser Creek Dam Nevada County | 166 | 1962 | High | Not Available |
| Puddingstone Los Angeles County | 147 | 1928 | High | Satisfactory |
| Puddingstone Diversion Los Angeles County | 34 | 1928 | High | Satisfactory |
| Pulgas Lake Dam San Diego County | 44 | 1953 | Low | Fair |
| Putah Diversion Dam Yolo County | 29 | 1957 | Low | Not Available |
| Putts Lake Placer County | 19 | 1916 | High | Satisfactory |
| Pyramid Los Angeles County | 422 | 1974 | High | Fair |
| Quail Los Angeles County | 50 | 1981 | High | Satisfactory |
| Quail Lake Dam Placer County | 17 | — | High | Not Rated |
| 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 |
| Rainbow Diversion Dam Colusa County | 54 | 1914 | Low | Not Available |
| Rains Creek Lassen County | 15 | 1960 | High | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.