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 51–75 of 160
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Gilmore San Joaquin County | 28 | 1918 | Significant | Satisfactory |
| Greeott Sonoma County | 40 | 1951 | Significant | Satisfactory |
| Grizzly Creek Butte County | 50 | 1964 | Significant | Satisfactory |
| Hackamore Reservoir Modoc County | 10 | 1907 | Significant | Not Rated |
| Hagmaier South Marin County | 25 | 1944 | Significant | Not Available |
| Hamel Sacramento County | 26 | 1957 | Significant | Satisfactory |
| Hardester North Napa County | 36 | 2003 | Significant | Satisfactory |
| Hartzell San Luis Obispo County | 50 | 1965 | Significant | Satisfactory |
| Hawkins San Benito County | 72 | 1928 | Significant | Fair |
| Herring Creek Reservoir Tuolumne County | 16 | 1939 | Significant | Not Rated |
| Hickory Basin San Bernardino County | 19 | 2001 | Significant | Satisfactory |
| Hj Mills Reclamation Riverside County | 48 | 1996 | Significant | Satisfactory |
| Holiday Lake El Dorado County | 39 | 1951 | Significant | Satisfactory |
| Home Ranch Dam Marin County | 23 | 1954 | Significant | Not Available |
| Hudson Vineyards Napa County | 25 | 1983 | Significant | Fair |
| Ice House Dike No. 1 El Dorado County | 57 | — | Significant | Satisfactory |
| James Montgomery Shasta County | 24 | 1869 | Significant | Poor |
| Jameson Vineyards Napa County | 41 | — | Significant | Satisfactory |
| Janes Flat Modoc County | 22 | 1918 | Significant | Not Rated |
| Jones Ranch Trinity County | 36 | 1980 | Significant | Satisfactory |
| Junction El Dorado County | 168 | 1962 | Significant | Satisfactory |
| Kelley Hot Spring Fish Modoc County | 30 | — | Significant | Poor |
| Kelsey Merced County | 28 | 1929 | Significant | Satisfactory |
| Kern River No. 1 Forebay Kern County | 10 | — | Significant | Satisfactory |
| Kunkle Butte County | 54 | 1907 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.