Dams in Teton County, Montana
38Total Dams
6High Hazard
3Significant
Dam Safety in Teton County, Montana
Teton County has 38 dams tracked in the National Inventory of Dams. Of these, 6 are classified as high hazard — meaning failure would probably cause loss of human life. Another 3 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Teton County is 77 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Gibson Dam at 199 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Gibson Dam | High | Not Available | 199 | Irrigation | 1929 |
| Sun River Diversion Dam | High | Not Available | 132 | Irrigation | 1915 |
| Bynum Reservoir Dam | High | Satisfactory | 60 | Irrigation | 1926 |
| Eureka Reservoir Dam | High | Poor | 32 | Irrigation | 1936 |
| Pishkun Dike 7 | High | Not Available | 16 | Irrigation | 1931 |
| Eureka Reservoir West Dike | High | Satisfactory | 12 | Irrigation | 1936 |
| Wolf Coulee Dam | Significant | 38 | Irrigation | 2004 | |
| Harvey Lake | Significant | 26 | Irrigation | 1941 | |
| Manual Oakley Group Dam | Significant | 20 | Recreation | 1963 | |
| Moving'along | Low | 38 | Irrigation | 1948 | |
| Deep Can | Low | 35 | Irrigation | 1935 | |
| Woodhouse-lattin | Low | 34 | Recreation | 1963 | |
| Farmers Coop Canal Co | Low | 34 | Irrigation | 1940 | |
| Half-pint | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Gordan Lightfoot | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1972 | |
| Decameter | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Decarboxylation | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Dougcliff Reservoir | Low | 20 | Irrigation | 1950 | |
| Cloudy Day | Low | 20 | Irrigation | 1953 | |
| Ferris Farms | Low | 20 | Irrigation | 1949 | |
| Freak Out | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| John Lane | Low | 20 | Irrigation | 1952 | |
| Young Clemons | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Neptune | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1920 | |
| Thav | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 | |
| Decuman | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1965 | |
| Jonquil | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1938 | |
| Twin Lakes | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Young Sun | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1970 | |
| Standley Irrigation Dam | Low | 15 | Irrigation | 1977 | |
| Costly Coulee Reservoir | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Oak Ridge | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| Rockport Colony #2 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Ostle | Low | 12 | Irrigation | 1910 | |
| Deminish | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Brady Lakes #4 | Low | 8 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Robbie (teton) | Low | 8 | Other | 1940 | |
| Rockport Colony #1 | Low | 7 | Fire Protection, Stock, Or Small Fish Pond | 1960 |