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 1176–1200 of 1,436
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Copperopolis Calaveras County | 33 | 1905 | High | Satisfactory |
| Copper Cove Calaveras County | 42 | 1993 | Low | Satisfactory |
| Copper Basin San Bernardino County | 184 | 1938 | High | Satisfactory |
| Coon Camp Lassen County | 23 | 1900 | Low | Satisfactory |
| Cook No. 2 Sonoma County | 35 | 1961 | High | Satisfactory |
| Contra Loma Dike 2 Contra Costa County | 25 | 1967 | Low | Not Available |
| Conn Creek Napa County | 125 | 1946 | High | Fair |
| Concow Butte County | 94 | 1925 | High | Satisfactory |
| Conagra Aerated and Settling Ponds Stanislaus County | 15 | — | High | Fair |
| Collett Lassen County | 40 | 1991 | Significant | Satisfactory |
| Coleman Forebay Shasta County | 20 | 1911 | Low | Poor |
| Coleman Monterey County | 27 | 1965 | Low | Poor |
| Cold Springs Reservoir #1 Lassen County | 17 | — | Low | Fair |
| Coit Santa Clara County | 54 | 1956 | Low | Satisfactory |
| Cogswell Los Angeles County | 266 | 1935 | High | Satisfactory |
| Coen C-3 Sonoma County | 97 | 1982 | Low | Satisfactory |
| Codding Reservoir Mendocino County | 36 | — | Low | Fair |
| Coastways San Mateo County | 46 | 1951 | High | Satisfactory |
| C.L. Tilden Park Contra Costa County | 88 | 1938 | High | Satisfactory |
| Clover Valley Placer County | 35 | 1909 | Low | Satisfactory |
| Cloverswale Modoc County | 21 | 1973 | Low | Satisfactory |
| Cloak Lake Siskiyou County | 13 | 1955 | Low | Satisfactory |
| Clifton Court Forebay Contra Costa County | 34 | 1970 | Low | Fair |
| Clementia Sacramento County | 33 | 1976 | Significant | Satisfactory |
| Clearwell Phase 2 Contra Costa County | 30 | 1977 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.