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 351–375 of 455
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Rio Bravo Diversion Kern County | 28 | 1989 | Low | Satisfactory |
| Robbs Peak El Dorado County | 50 | 1963 | Low | Satisfactory |
| Rock Creek El Dorado County | 35 | 1932 | Low | Satisfactory |
| Rodden Lake Stanislaus County | 40 | 1916 | Low | Satisfactory |
| Ross Calaveras County | 44 | 1892 | Low | Satisfactory |
| Rossmoor Retarding Basin Orange County | 14 | 2002 | Low | Satisfactory |
| Round Canyon Retarding Basin Orange County | 98 | 1994 | Low | Satisfactory |
| Round Corral Dam (Blm) Lassen County | 13 | 1977 | Low | Not Rated |
| R. Simoni Irrigation Santa Clara County | 44 | 1961 | Low | Satisfactory |
| Rubicon Main El Dorado County | 40 | 1963 | Low | Satisfactory |
| Russian River No. 1 Sonoma County | 10 | 1963 | Low | Satisfactory |
| Rutherford #2 San Diego County | 15 | 1952 | Low | Not Rated |
| Rye Tehama County | 37 | 1959 | Low | Satisfactory |
| Rye Grass Swale Modoc County | 20 | 1923 | Low | Satisfactory |
| Sack Madera County | 9 | 1946 | Low | Satisfactory |
| Salinas River Diversion Monterey County | 16 | 2009 | Low | Satisfactory |
| Salinger Sonoma County | 46 | 1952 | Low | Satisfactory |
| San Felipe Ranch Santa Clara County | 49 | 1959 | Low | Satisfactory |
| Sanhedrin Ranch Glenn County | 27 | 1967 | Low | Satisfactory |
| San Joaquin No. 3 Forebay Madera County | 40 | 1906 | Low | Fair |
| Santa Anita Debris Basin Los Angeles County | 56 | 1960 | Low | Fair |
| Sawmill Main Nevada County | 60 | 1910 | Low | Satisfactory |
| Schadler Modoc County | 39 | 1967 | Low | Satisfactory |
| Schneider Sacramento County | 22 | 1941 | Low | Fair |
| Schwindt Mendocino County | 37 | — | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.