Dams in Modoc County, California
75Total Dams
8High Hazard
10Significant
Dam Safety in Modoc County, California
Modoc County has 75 dams tracked in the National Inventory of Dams. Of these, 8 are classified as high hazard — meaning failure would probably cause loss of human life. Another 10 carry a significant hazard classification. Currently, 2 dams have a condition assessment of poor or unsatisfactory.
The average dam in Modoc County is 88 years old. The most common purpose is water supply. The tallest dam is West Valley at 65 ft.
Explore more: Oldest dams in California · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| West Valley | High | Satisfactory | 65 | Water Supply | 1936 |
| Big Sage | High | Satisfactory | 49 | Water Supply | 1921 |
| Dorris Dam | High | Fair | 25 | Irrigation | 1930 |
| Thomas Briles | High | Satisfactory | 23 | Water Supply | 1910 |
| James Porter | High | Satisfactory | 21 | Water Supply | 1928 |
| Roberts | High | Satisfactory | 17 | Other | 1905 |
| Lauer | High | Not Available | 13 | Irrigation | 1895 |
| Clear Lake Dike 1 | High | Not Available | 13 | Irrigation | 1910 |
| Toreson | Significant | Satisfactory | 55 | Water Supply | 1898 |
| Taylor Creek No. 1 | Significant | Satisfactory | 34 | Other | 1952 |
| Kelley Hot Spring Fish | Significant | Poor | 30 | ||
| Donovan | Significant | Satisfactory | 28 | Water Supply | 1953 |
| Janes Flat | Significant | Not Rated | 22 | Irrigation | 1918 |
| Little Juniper | Significant | Satisfactory | 22 | Other | 1926 |
| Reservoir C | Significant | Not Rated | 20 | Fish and Wildlife Pond | 1911 |
| Fairchild (res F) | Significant | Not Rated | 20 | Fish and Wildlife Pond | 1914 |
| Cummings Reservoir No. 1 | Significant | Satisfactory | 11 | Water Supply | 1912 |
| Hackamore Reservoir | Significant | Not Rated | 10 | Fire Protection, Stock, Or Small Fish Pond | 1907 |
| Burger | Low | Satisfactory | 47 | Water Supply | 1968 |
| S-x | Low | Satisfactory | 45 | Water Supply | 1917 |
| Poison Springs | Low | Satisfactory | 43 | Other | 1957 |
| Schadler | Low | Satisfactory | 39 | Other | 1967 |
| Renner Sibley Creek | Low | Satisfactory | 28 | Water Supply | 1959 |
| Plum Canyon | Low | Satisfactory | 26 | Water Supply | 1913 |
| Mcginty | Low | Not Available | 23 | 1970 | |
| Ingals Swamp | Low | Satisfactory | 23 | Water Supply | 1918 |
| Shedd | Low | Satisfactory | 22 | Water Supply | 1962 |
| Cloverswale | Low | Satisfactory | 21 | Water Supply | 1973 |
| Carpenter Wilson | Low | Satisfactory | 21 | Other | 1948 |
| Bayley Reservoir | Low | Satisfactory | 20 | Water Supply | 1954 |
| Capik | Low | Satisfactory | 20 | Other | 1965 |
| Rye Grass Swale | Low | Satisfactory | 20 | Water Supply | 1923 |
| Duncan | Low | Satisfactory | 19 | Water Supply | 1919 |
| Leonard Johnson | Low | Satisfactory | 18 | Water Supply | 1948 |
| Big Johnson | Low | Satisfactory | 18 | Water Supply | 1959 |
| Danhauser | Low | Satisfactory | 17 | Water Supply | 1890 |
| Clarke | Low | Satisfactory | 17 | Water Supply | 1939 |
| Davis Creek Orchard | Low | Satisfactory | 17 | Water Supply | 1975 |
| White | Low | Poor | 16 | Water Supply | 1918 |
| Graven | Low | Satisfactory | 15 | Water Supply | 1917 |
| Huffman Antelope | Low | Satisfactory | 15 | Water Supply | 1922 |
| Upper Pasture | Low | Satisfactory | 15 | Water Supply | |
| Hines Brothers | Low | Satisfactory | 14 | Water Supply | 1955 |
| A And C | Low | Satisfactory | 13 | Water Supply | 1923 |
| Reservoir M | Low | Not Rated | 13 | Irrigation | 1977 |
| Halls Meadows | Low | Satisfactory | 13 | Water Supply | 1941 |
| Wildhorse | Low | Not Rated | 12 | Fire Protection, Stock, Or Small Fish Pond | 1934 |
| Enquist | Low | Satisfactory | 12 | Water Supply | 1919 |
| Householder | Low | Not Rated | 12 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Mcbrien | Low | Satisfactory | 12 | Other | 1880 |
| Boggs And Warren | Low | Satisfactory | 12 | Water Supply | 1922 |
| Payne | Low | Satisfactory | 12 | Water Supply | 1928 |
| Jack's Swamp Dam No. 2 | Low | Satisfactory | 12 | Water Supply | 1926 |
| Lookout | Low | Satisfactory | 11 | Other | 1930 |
| Big Dobe South | Low | Satisfactory | 11 | Water Supply | 1912 |
| Kelley And Greiner | Low | Satisfactory | 11 | Water Supply | 1923 |
| South Mountain | Low | Not Rated | 10 | Fire Protection, Stock, Or Small Fish Pond | 1980 |
| Mud Lake | Low | Satisfactory | 10 | Water Supply | 1926 |
| Bayley Reservoir | Low | Not Rated | 10 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Everly | Low | Not Rated | 9 | Irrigation | 1980 |
| Green Springs | Low | Not Rated | 9 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Spaulding 3 | Low | Not Rated | 9 | Fish and Wildlife Pond | 1965 |
| Big Dobe North | Low | Satisfactory | 9 | Water Supply | 1912 |
| Crowder Mtn | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1977 |
| Green Tank | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Emigrant Spring | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Boles Meadow | Low | Not Rated | 8 | Fish and Wildlife Pond | 1986 |
| Surveyors Valley | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Four Mile Valley N0 4 | Low | Not Rated | 8 | Fire Protection, Stock, Or Small Fish Pond | 1951 |
| Telephone Flat | Low | Not Rated | 7 | Fire Protection, Stock, Or Small Fish Pond | 1931 |
| Reservoir N | Low | Not Rated | 7 | Irrigation | 1977 |
| Dead Horse Reservoir | Low | Not Rated | 7 | Fire Protection, Stock, Or Small Fish Pond | 1931 |
| Buchanan | Low | Not Rated | 7 | Fire Protection, Stock, Or Small Fish Pond | 1890 |
| Deadhorse Flat Reservoir | Low | Not Rated | 7 | Fire Protection, Stock, Or Small Fish Pond | 1920 |
| Cummings Res No 2 | Low | Not Rated | 7 | Irrigation | 1910 |