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 976–1000 of 1,093
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Boron Tails Pond 6 Kern County | 39 | 1980 | Low | Satisfactory |
| Borax Solar Evaporation Ponds Kern County | 18 | 1984 | Low | Satisfactory |
| Boole Placer County | 25 | 1951 | Low | Satisfactory |
| Bon Tempe Marin County | 98 | 1949 | High | Satisfactory |
| Bonita Long Canyon San Diego County | 29 | 1986 | Low | Satisfactory |
| Boggs and Warren Modoc County | 12 | 1922 | Low | Satisfactory |
| Blue Lake Nevada County | 25 | 1856 | High | Satisfactory |
| Blossom Valley Reservoir San Diego County | 42 | 1962 | High | Satisfactory |
| Blodgett Sacramento County | 19 | 1939 | Significant | Satisfactory |
| Blanchard-Offner Napa County | 47 | 1963 | High | Satisfactory |
| Blanchard Debris Basin Los Angeles County | 50 | 1966 | High | Satisfactory |
| Black Rock Creek Monterey County | 54 | 1925 | Low | Satisfactory |
| Black Reservoir Mono County | 18 | 1905 | Low | Satisfactory |
| Black Mountain Water Tank San Diego County | 55 | 2002 | High | Satisfactory |
| Black Hawk Madera County | 45 | 1971 | Significant | Satisfactory |
| Black Butte Reregulating Tehama County | 25 | 1989 | Low | Satisfactory |
| Blackburn Kern County | 48 | 1991 | High | Satisfactory |
| B. J. Robinson Napa County | 46 | 1957 | High | Satisfactory |
| Big Tujunga No. 1 Los Angeles County | 220 | 1931 | High | Satisfactory |
| Big Santa Anita Los Angeles County | 225 | 1927 | High | Satisfactory |
| Big Sage Modoc County | 49 | 1921 | High | Satisfactory |
| Big Rock Ranch Marin County | 45 | 2002 | High | Satisfactory |
| Big Pine Creek Inyo County | 14 | — | High | Satisfactory |
| Big Lagoon Humboldt County | 16 | 1947 | Low | Satisfactory |
| Big Johnson Modoc County | 18 | 1959 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.