Dams in Lewis and Clark, Montana

30
Total Dams
11
High Hazard
2
Significant
81.3 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Canyon Ferry Lewis and Clark High Hazard 225 ft 1953 Concrete Montana
Nilan North Dam Lewis and Clark High Hazard 51 ft 1951 Earth Montana
Hinman Dam Lewis and Clark High Hazard 34 ft 2000 Earth Montana
Holter Dam Lewis and Clark High Hazard 124 ft 1918 Gravity Montana
Scott Reservoir Lewis and Clark High Hazard 32 ft 1952 Earth Montana
Three Mile Reservoir (L.&C.) Lewis and Clark High Hazard 70 ft 1926 Earth Montana
Nilan East Dam Lewis and Clark High Hazard 51 ft 1951 Earth Montana
Chessman Main Dam Lewis and Clark High Hazard 57 ft 1908 Earth Montana
Willow Creek Bor Mt Lewis and Clark High Hazard 74 ft 1911 Earth Montana
Helena Valley Lewis and Clark High Hazard 94 ft 1957 Earth Montana
Hauser Dam Lewis and Clark High Hazard 125 ft 1911 Gravity Montana
Smith Lake Lewis and Clark Significant Hazard 15 ft 1954 Earth Montana
Gravelly Range Lake Lewis and Clark Significant Hazard 12 ft 1964 Earth Montana
Krezelok Lewis and Clark Low Hazard 15 ft 1945 Rockfill Montana
Soap Creek Lewis and Clark Low Hazard 25 ft 1950 Earth Montana
Detergent Lewis and Clark Low Hazard 15 ft 1956 Earth Montana
Wood Lake Dam Lewis and Clark Low Hazard 13 ft 1955 Earth Montana
J B Long and Company #2 Lewis and Clark Low Hazard 20 ft 1930 Earth Montana
Really Red Lewis and Clark Low Hazard 10 ft 1953 Earth Montana
Porrini Lewis and Clark Low Hazard 10 ft 1952 Earth Montana
Herrin Lake Lewis and Clark Low Hazard 15 ft 1949 Earth Montana
Milford Colony Lewis and Clark Low Hazard 15 ft 1963 Earth Montana
Curran-Barrett #2 Lewis and Clark Low Hazard 20 ft 1899 Earth Montana
Deerborn Reservoir Lewis and Clark Low Hazard 20 ft 1900 Earth Montana
Anderson Lake Lewis and Clark Low Hazard 15 ft 1956 Earth Montana
Flat Milford Colony Lewis and Clark Low Hazard 15 ft 1955 Earth Montana
Curran-Barrett #1 Lewis and Clark Low Hazard 15 ft 1940 Earth Montana
J B Long and Company #3 Lewis and Clark Low Hazard 34 ft 1950 Earth Montana
Evans, L. Lewis and Clark Low Hazard 20 ft 1961 Earth Montana
Thompson, Frank Lewis and Clark Low Hazard 20 ft 1972 Earth Montana