Dams in Plumas County, California
24Total Dams
16High Hazard
2Significant
Dam Safety in Plumas County, California
Plumas County has 24 dams tracked in the National Inventory of Dams. Of these, 16 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Plumas County is 94 years old. The most common purpose is hydroelectric. The tallest dam is Little Grass Valley at 210 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Little Grass Valley | High | Satisfactory | 210 | Hydroelectric | 1961 |
| Belden Forebay | High | Fair | 152 | Hydroelectric | 1958 |
| Frenchman | High | Satisfactory | 139 | Water Supply | 1961 |
| Lake Almanor | High | Fair | 135 | Hydroelectric | 1927 |
| Rock Creek | High | Satisfactory | 126 | Hydroelectric | 1950 |
| Bucks Lake | High | Satisfactory | 123 | Hydroelectric | 1928 |
| Grizzly Valley | High | Satisfactory | 115 | Water Supply | 1966 |
| Antelope | High | Satisfactory | 113 | Water Supply | 1964 |
| Cresta | High | Satisfactory | 113 | Hydroelectric | 1949 |
| Lower Bucks Lake | High | Fair | 99 | Hydroelectric | 1928 |
| Grizzly Forebay | High | Satisfactory | 98 | Hydroelectric | 1928 |
| Butt Valley | High | Satisfactory | 80 | Hydroelectric | 1924 |
| Chester Diversion | High | Satisfactory | 47 | Flood Risk Reduction | 1975 |
| Grizzly Creek | High | Satisfactory | 39 | Other | 1915 |
| Bidwell Lake | High | Satisfactory | 35 | Water Supply | 1865 |
| Silver Lake | High | Satisfactory | 21 | Water Supply | 1906 |
| Eureka | Significant | Satisfactory | 29 | Water Supply | 1866 |
| Long Lake | Significant | Satisfactory | 12 | Water Supply | 1938 |
| Slate Creek | Low | Satisfactory | 70 | Hydroelectric | 1961 |
| South Fork Diversion | Low | Satisfactory | 60 | Hydroelectric | 1961 |
| Three Lakes | Low | Satisfactory | 33 | Hydroelectric | 1928 |
| Jamison Lake | Low | Not Rated | 15 | Water Supply | 1902 |
| Doyle Reservoir | Low | Not Rated | 14 | Fish and Wildlife Pond | 1907 |
| Grass Lake | Low | Not Rated | 10 | Fish and Wildlife Pond | 1893 |