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 assessed | 148 | Flood Risk Reduction | 1964 |
| Lima | High | Satisfactory | 56 | Irrigation | 1934 |
| Boot Lake Dam | High | Poor | 27 | Irrigation | 1912 |
| Kelly Dam | High | Not assessed | 26 | Irrigation | 1965 |
| Pear Lake Dam | High | Poor | 19 | Irrigation | 1904 |
| Agnes Lake | High | Not assessed | 13 | Irrigation | 1928 |
| Anchor South Dam | High | Satisfactory | 11 | Irrigation | 1904 |
| Peet Creek Dam | Significant | Not assessed | 43 | Irrigation | |
| Mussigbrod Lake Dam | Significant | Not assessed | 15 | Irrigation | 1969 |
| Deerhead Lake Dam | Significant | Not assessed | 13 | Irrigation | 1929 |
| Tub Lake Dam | Significant | Not assessed | 13 | Irrigation | 1904 |
| Anchor Lake North Dam | Significant | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1904 |
| Benson | Low | Not assessed | 35 | Irrigation | 1952 |
| Barrett, J. Dam | Low | Not assessed | 35 | Irrigation | 1962 |
| Hirschy | Low | Not assessed | 30 | Irrigation | 1967 |
| Fish | Low | Not assessed | 24 | Irrigation | 1956 |
| Mera | Low | Not assessed | 20 | Irrigation | 1945 |
| Dry Fields | Low | Not assessed | 20 | Irrigation | 1965 |
| Overnight Reservoir | Low | Not assessed | 17 | Irrigation | 1920 |
| Bond Lake Dam | Low | Not assessed | 16 | Irrigation | 1977 |
| Humperdinck #1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Humperdinck #2 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Cactus | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| Rock Creek | Low | Not assessed | 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 | Not assessed | 12 | Irrigation | 1950 |
| Waukena Lake Dam | Low | Not assessed | 12 | Flood Risk Reduction | 1930 |
| Widgeon Pond Dam | Low | Poor | 12 | Fish and Wildlife Pond | 1964 |
| Barretts Diversion Dam | Low | Not assessed | 11 | Irrigation | 1963 |
| Pants | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| Blanchard Pond | Low | Not assessed | 10 | Irrigation | 1960 |
| Lazy Jackson | Low | Not assessed | 10 | Recreation | 1950 |
| Peru | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1943 |
| MUD Lake #1 | Low | Not assessed | 10 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| MUD Lake #2 | Low | Not assessed | 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 assessed | 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 |