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 101–125 of 455
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Ross Calaveras County | 44 | 1892 | Low | Satisfactory |
| Rodden Lake Stanislaus County | 40 | 1916 | Low | Satisfactory |
| Rock Creek El Dorado County | 35 | 1932 | Low | Satisfactory |
| Robbs Peak El Dorado County | 50 | 1963 | Low | Satisfactory |
| Rio Bravo Diversion Kern County | 28 | 1989 | Low | Satisfactory |
| Ridgewood Mendocino County | 44 | 1929 | Low | Satisfactory |
| Rickey San Mateo County | 64 | 1951 | Low | Satisfactory |
| Richardson Sonoma County | 40 | 1974 | Low | Satisfactory |
| Reynolds Weir Fresno County | 13 | 1928 | Low | Satisfactory |
| Reservoir N Modoc County | 7 | 1977 | Low | Not Rated |
| Reservoir M Modoc County | 13 | 1977 | Low | Not Rated |
| Renner Sibley Creek Modoc County | 28 | 1959 | Low | Satisfactory |
| Reid Calaveras County | 32 | 1969 | Low | Satisfactory |
| Red Bluff Diversion Dike 2 Tehama County | 15 | 1963 | Low | Not Available |
| Reclaimed Water Reservoir Shasta County | 37 | 1995 | Low | Satisfactory |
| Rainbow Diversion Dam Colusa County | 54 | 1914 | Low | Not Available |
| Quartz Tuolumne County | 104 | 1978 | Low | Satisfactory |
| Putah Diversion Dam Yolo County | 29 | 1957 | Low | Not Available |
| Pulgas Lake Dam San Diego County | 44 | 1953 | Low | Fair |
| Preston Forebay Amador County | 40 | 1892 | Low | Satisfactory |
| Portal Forebay Main Fresno County | 65 | 1956 | Low | Satisfactory |
| Poore Lake Reservoir Mono County | 23 | 1900 | Low | Satisfactory |
| Pond No. 2 Sonoma County | 12 | 1952 | Low | Satisfactory |
| Pond K Amador County | 22 | 2006 | Low | Satisfactory |
| Ponderosa Butte County | 160 | 1962 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.