Dams in Beaverhead County, Montana
44Total Dams
7High Hazard
5Significant
Dam Safety in Beaverhead County, Montana
Beaverhead County has 44 dams tracked in the National Inventory of Dams. Of these, 7 are classified as high hazard — meaning failure would probably cause loss of human life. Another 5 carry a significant hazard classification. Currently, 9 dams have a condition assessment of poor or unsatisfactory.
The average dam in Beaverhead County is 72 years old. The most common purpose is irrigation. The tallest dam is Clark Canyon Dam at 148 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Clark Canyon Dam | High | Not Available | 148 | Flood Risk Reduction | 1964 |
| Lima | High | Satisfactory | 56 | Irrigation | 1934 |
| Boot Lake Dam | High | Poor | 27 | Irrigation | 1912 |
| Kelly Dam | High | Not Rated | 26 | Irrigation | 1965 |
| Pear Lake Dam | High | Poor | 19 | Irrigation | 1904 |
| Agnes Lake | High | Not Rated | 13 | Irrigation | 1928 |
| Anchor South Dam | High | Satisfactory | 11 | Irrigation | 1904 |
| Peet Creek Dam | Significant | 43 | Irrigation | ||
| Mussigbrod Lake Dam | Significant | 15 | Irrigation | 1969 | |
| Deerhead Lake Dam | Significant | 13 | Irrigation | 1929 | |
| Tub Lake Dam | Significant | 13 | Irrigation | 1904 | |
| Anchor Lake North Dam | Significant | 12 | Fire Protection, Stock, Or Small Fish Pond | 1904 | |
| Benson | Low | 35 | Irrigation | 1952 | |
| Barrett, J. Dam | Low | 35 | Irrigation | 1962 | |
| Hirschy | Low | 30 | Irrigation | 1967 | |
| Fish | Low | Not Available | 24 | Irrigation | 1956 |
| Mera | Low | 20 | Irrigation | 1945 | |
| Dry Fields | Low | 20 | Irrigation | 1965 | |
| Overnight Reservoir | Low | 17 | Irrigation | 1920 | |
| Bond Lake Dam | Low | 16 | Irrigation | 1977 | |
| Humperdinck #1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 | |
| Humperdinck #2 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 | |
| Cactus | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1947 | |
| Rock Creek | Low | 15 | Irrigation | 1965 | |
| Sparrow Slough Dam | Low | Fair | 14 | Fish and Wildlife Pond | 1985 |
| North Tucks Slough Dam | Low | Poor | 13 | Fish and Wildlife Pond | 1990 |
| Blomquist Reservoir | Low | 12 | Irrigation | 1950 | |
| Waukena Lake Dam | Low | Not Available | 12 | Flood Risk Reduction | 1930 |
| Widgeon Pond Dam | Low | Poor | 12 | Fish and Wildlife Pond | 1964 |
| Barretts Diversion Dam | Low | Not Available | 11 | Irrigation | 1963 |
| Pants | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Blanchard Pond | Low | 10 | Irrigation | 1960 | |
| Lazy Jackson | Low | 10 | Recreation | 1950 | |
| Peru | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| Mud Lake #1 | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Mud Lake #2 | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Monida Creek #1 Du Dam | Low | Poor | 10 | Fish and Wildlife Pond | 2003 |
| Reservoir Lake | Low | Not Rated | 9 | Recreation | 1920 |
| Sand Creek Du Dam | Low | Fair | 9 | Fish and Wildlife Pond | 1999 |
| Culver Springs Dam | Low | Unsatisfactory | 9 | Fish and Wildlife Pond | 1959 |
| Monida Creek #2 Du Dam | Low | Poor | 9 | Fish and Wildlife Pond | 2003 |
| Macdonald Pond Dam | Low | Poor | 9 | Fish and Wildlife Pond | 1953 |
| Pipe Organ Du Dam | Low | Satisfactory | 8 | Fish and Wildlife Pond | 2003 |
| Sparrow Pond Dam | Low | Poor | 7 | Fish and Wildlife Pond | 1965 |