Dams in Shasta County, California
45Total Dams
22High Hazard
8Significant
Dam Safety in Shasta County, California
Shasta County has 45 dams tracked in the National Inventory of Dams. Of these, 22 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification. Currently, 4 dams have a condition assessment of poor or unsatisfactory.
The average dam in Shasta County is 78 years old. The most common purpose is hydroelectric. The tallest dam is Shasta Dam at 602 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Shasta Dam | High | Not Available | 602 | Hydroelectric | 1945 |
| Mccloud | High | Fair | 255 | Hydroelectric | 1965 |
| Pit No. 7 Diversion | High | Satisfactory | 228 | Hydroelectric | 1965 |
| Iron Canyon | High | Satisfactory | 214 | Hydroelectric | 1965 |
| Spring Creek Debris Dam | High | Not Available | 196 | Debris Control | 1963 |
| Pit No. 6 Diversion | High | Satisfactory | 195 | Hydroelectric | 1965 |
| Keswick Dam | High | Not Available | 157 | Flood Risk Reduction | 1950 |
| Pit No. 3 Diversion | High | Satisfactory | 135 | Hydroelectric | 1925 |
| Pit No. 4 Diversion | High | Satisfactory | 110 | Hydroelectric | 1927 |
| Misselbeck | High | Poor | 96 | Other | 1920 |
| Pit No. 5 Open Conduit | High | Fair | 71 | Hydroelectric | 1944 |
| Whiskeytown Dike 2 | High | Not Available | 70 | Hydroelectric | 1963 |
| Haynes Reservoir | High | Satisfactory | 67 | Other | 1965 |
| Boyd No. 2 | High | Satisfactory | 53 | Water Supply | 1973 |
| Pit No. 1 Forebay | High | Fair | 47 | Hydroelectric | 1947 |
| North Battle Creek | High | Satisfactory | 47 | Hydroelectric | 1909 |
| Nash | High | Satisfactory | 41 | Water Supply | 1960 |
| Boyd No. 1 | High | Satisfactory | 31 | Water Supply | 1971 |
| Truett | High | Satisfactory | 31 | Water Supply | 1958 |
| Macumber | High | Satisfactory | 27 | Hydroelectric | 1907 |
| Lake Angela | High | Satisfactory | 24 | Water Supply | 1958 |
| Treatment Ponds | High | Poor | 16 | Water Supply | 1975 |
| Slickrock Creek | Significant | Satisfactory | 155 | Water Supply | 2004 |
| Null Dam | Significant | Satisfactory | 54 | Water Supply | 1954 |
| Pit No. 7 Afterbay | Significant | Satisfactory | 35 | Hydroelectric | 1965 |
| Ross No. 1 | Significant | Satisfactory | 30 | Water Supply | 1957 |
| Ross No. 2 | Significant | Satisfactory | 29 | Other | 1957 |
| George Reese Reservoir | Significant | Satisfactory | 29 | Water Supply | 1876 |
| James Montgomery | Significant | Poor | 24 | Water Supply | 1869 |
| Manzanita Lake Dam | Significant | Not Available | 13 | Fish and Wildlife Pond | 1911 |
| Brick Flat Pit Containment | Low | Satisfactory | 160 | Water Supply | 1994 |
| Thurman | Low | Satisfactory | 63 | Water Supply | 1966 |
| Pit No. 5 Diversion | Low | Satisfactory | 58 | Hydroelectric | 1944 |
| Junge No. 3 | Low | Satisfactory | 43 | Water Supply | 1966 |
| Reclaimed Water Reservoir | Low | Satisfactory | 37 | Water Supply | 1995 |
| Junge No. 2 | Low | Satisfactory | 34 | Water Supply | 1965 |
| Lema | Low | Satisfactory | 31 | Water Supply | 1957 |
| Hat Creek No. 2 Diversion | Low | Satisfactory | 29 | Hydroelectric | 1943 |
| Upper Elder | Low | Satisfactory | 26 | Water Supply | |
| Antelope Reservoir Dam (blm) | Low | Not Rated | 26 | Irrigation | |
| Anderson Cottonwood | Low | Satisfactory | 24 | Other | 1917 |
| Coleman Forebay | Low | Poor | 20 | Hydroelectric | 1911 |
| Pit No. 1 Diversion | Low | Satisfactory | 18 | Hydroelectric | 1922 |
| Fall River Weir | Low | Satisfactory | 8 | Hydroelectric | 1921 |
| Pit River Weir | Low | Satisfactory | 8 | Hydroelectric | 1921 |