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 401–425 of 821
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Wyandotte Butte County | 46 | 1924 | High | Satisfactory |
| Lake Yosemite Merced County | 53 | 1888 | High | Satisfactory |
| Lang Creek Detention Basin Ventura County | 67 | 2004 | High | Satisfactory |
| Las Llajas Ventura County | 96 | 1981 | High | Satisfactory |
| La Tuna Debris Basin Los Angeles County | 47 | 1960 | High | Satisfactory |
| Lauer Modoc County | 13 | 1895 | High | Not Available |
| Laurel Creek San Mateo County | 40 | 1969 | High | Satisfactory |
| Lauro Dam Santa Barbara County | 137 | 1952 | High | Not Available |
| Lee Lake Riverside County | 47 | 1893 | High | Poor |
| Leland Contra Costa County | 41 | 1955 | High | Satisfactory |
| Lewiston Dam Trinity County | 91 | 1963 | High | Not Available |
| Little Dalton Debris Basin Los Angeles County | 71 | 1960 | High | Satisfactory |
| Little Grass Valley Plumas County | 210 | 1961 | High | Satisfactory |
| Little Mountain San Bernardino County | 28 | 1958 | High | Satisfactory |
| Little Panoche Detention Fresno County | 151 | 1966 | High | Not Available |
| Littlerock Los Angeles County | 124 | 1924 | High | Satisfactory |
| Live Oak Los Angeles County | 76 | 1922 | High | Satisfactory |
| Live Oak Reservoir Los Angeles County | 105 | 1975 | High | Satisfactory |
| L. L. Anderson Placer County | 231 | 1965 | High | Satisfactory |
| Log Cabin Yuba County | 54 | 1969 | High | Satisfactory |
| Lolonis Vineyards Mendocino County | 67 | 1999 | High | Satisfactory |
| Loma Rica Airport Nevada County | 41 | 1965 | High | Satisfactory |
| Long Valley Mono County | 126 | 1941 | High | Satisfactory |
| Lopez San Luis Obispo County | 166 | 1969 | High | Satisfactory |
| Lopez Dam Los Angeles County | 50 | 1954 | High | Not Available |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.