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 251–275 of 455
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lower Franklin No. 2 Los Angeles County | 49 | 1982 | Low | Satisfactory |
| Lower Kinney Lake Alpine County | 40 | 1926 | Low | Satisfactory |
| Lower Lindsey Nevada County | 16 | 1870 | Low | Satisfactory |
| Lower Rock Lake Nevada County | 11 | 1855 | Low | Satisfactory |
| Lower Sardine Lake Sierra County | 17 | 1965 | Low | Satisfactory |
| Lower Stoney Valley Monterey County | 35 | 1972 | Low | Poor |
| Lower Sunset Alpine County | 38 | — | Low | Satisfactory |
| Lower Twin Lake Napa County | 18 | 1985 | Low | Satisfactory |
| Lower Van Norman Bypass Los Angeles County | 78 | 1970 | Low | Satisfactory |
| Mad Dog Lake Dam Yuba County | 12 | 1962 | Low | Not Available |
| Madeline Lassen County | 22 | 1900 | Low | Satisfactory |
| Maine Prairie 3 Solano County | 11 | 1965 | Low | Satisfactory |
| Marina Lagoon San Mateo County | 17 | 1953 | Low | Satisfactory |
| Matthews San Diego County | 47 | 1967 | Low | Satisfactory |
| Mcbrien Modoc County | 12 | 1880 | Low | Satisfactory |
| Mccarty Calaveras County | 19 | 1938 | Low | Satisfactory |
| Mccoy Flat Lassen County | 21 | 1891 | Low | Satisfactory |
| Mccreary Lake County | 20 | 1961 | Low | Satisfactory |
| Mcginty Modoc County | 23 | 1970 | Low | Not Available |
| Mcmahon Mariposa County | 52 | 1957 | Low | Satisfactory |
| Meadow Lake Alpine County | 74 | 1903 | Low | Satisfactory |
| Meadow Lake Nevada County | 38 | 1855 | Low | Satisfactory |
| Metzger Mariposa County | 30 | 1956 | Low | Satisfactory |
| Michigan Bar No. 2 Sacramento County | 36 | 1983 | Low | Satisfactory |
| Middle Cooperstown Tuolumne County | 24 | 1947 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.