Dams in Cascade County, Montana
43Total Dams
5High Hazard
4Significant
Dam Safety in Cascade County, Montana
Cascade County has 43 dams tracked in the National Inventory of Dams. Of these, 5 are classified as high hazard — meaning failure would probably cause loss of human life. Another 4 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Cascade County is 78 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Morony at 107 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Morony | High | Satisfactory | 107 | Hydroelectric | 1929 |
| Cochrane | High | Fair | 105 | Hydroelectric | 1957 |
| Ryan | High | Satisfactory | 82 | Hydroelectric | 1915 |
| Rainbow | High | Satisfactory | 44 | Hydroelectric | 1910 |
| Black Eagle | High | Poor | 41 | Hydroelectric | 1891 |
| Gollaher Reservoir | Significant | 38 | Irrigation | 1945 | |
| Middle Creek Lake (cascade) | Significant | 30 | Irrigation | 1950 | |
| Spun | Significant | 15 | Water Supply | 1960 | |
| Manchester | Significant | 8 | Other | ||
| Sheffels Reservoir | Low | 68 | Fire Protection, Stock, Or Small Fish Pond | 1963 | |
| O'day #2 | Low | 60 | Fire Protection, Stock, Or Small Fish Pond | 1956 | |
| Prairie Nest Ranch 3 | Low | 44 | Irrigation | 1959 | |
| Spaniard | Low | 42 | Irrigation | 1962 | |
| Elder Elmer | Low | 36 | Irrigation | 1953 | |
| Neuman Dam | Low | 35 | Irrigation | 1956 | |
| Sunny Bueno | Low | 30 | Fire Protection, Stock, Or Small Fish Pond | 1953 | |
| Mesaros | Low | 30 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Prairie Nest Ranch 1 | Low | 30 | Irrigation | 1956 | |
| Hound Creek | Low | 30 | Irrigation | 1953 | |
| Dawson Ranch #1 | Low | 30 | Flood Risk Reduction | 1948 | |
| Dick Golie Wildlife Dam | Low | 30 | Recreation | 1965 | |
| Prairie Nest Ranch 4 | Low | 28 | Irrigation | 1963 | |
| Neuman #2 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Spring Creek Lake (cascade) | Low | 25 | Irrigation | 1930 | |
| Payton Place | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1965 | |
| Muddy Spots | Low | 20 | Water Supply | 1938 | |
| Charlotts Webb | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Sand Dollars | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Prairie Nest Ranch 2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1920 | |
| Gmg | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Dana-cameron Ranch | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 | |
| Gollaher #2 | Low | 18 | Water Supply | 1930 | |
| Big Dumb Bunny | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1972 | |
| Missouri Bird | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Webb #1 | Low | 15 | Flood Risk Reduction | 1962 | |
| Dry Fork Fairhaven #2 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| W C Eustance #1 | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Flicked Bic | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Deiphobus | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1953 | |
| Willow Belt | Low | 10 | Irrigation | 1951 | |
| Leveque Reservoir | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1930 | |
| Blooming Creek Dam | Low | 8 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Dry Fork Fairhaven #1 | Low | 8 | Fire Protection, Stock, Or Small Fish Pond | 1947 |