24Total Dams
1High Hazard
1Significant
Dam Safety in Sheridan County, Montana
Sheridan County has 24 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Sheridan County is 76 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Box Elder Creek Dam at 80 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Box Elder Creek Dam | High | Satisfactory | 80 | Recreation | 1963 |
| Raymond Storage (sheridan) | Significant | Not assessed | 14 | Fire Protection, Stock, Or Small Fish Pond | 1930 |
| Primrose | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| Neiser #1 | Low | Not assessed | 35 | Irrigation | 1936 |
| Marsh Dam | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Miller | Low | Not assessed | 27 | Recreation | 1974 |
| Dewey | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Cornhuskers | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1939 |
| Engstrom | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Bummer | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Black Out | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Hasland #2 | Low | Not assessed | 15 | Flood Risk Reduction | 1946 |
| Calvin | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Medicine Lake Dam No. 4 | Low | Poor | 15 | Fish and Wildlife Pond | 1935 |
| Petersen Dam | Low | Not assessed | 14 | 1939 | |
| Lindberg | Low | Not assessed | 14 | Other | 1965 |
| Thomas | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1939 |
| Beaver Pond Dam | Low | Poor | 11 | Fish and Wildlife Pond | 1958 |
| Medicine Lake Dam No. 12 | Low | Poor | 10 | Fish and Wildlife Pond | 1935 |
| Katy's Lake Dam | Low | Poor | 10 | Fish and Wildlife Pond | 1990 |
| Plentywood Sewage Lagoon | Low | Not assessed | 9 | Other | 1954 |
| Medicine Lake Dam No. 11 | Low | Poor | 9 | Fish and Wildlife Pond | 1935 |
| Freske #1 | Low | Not assessed | 8 | Fire Protection, Stock, Or Small Fish Pond | 1934 |
| Medicine Lake Dam No. 10 | Low | Poor | 8 | Fish and Wildlife Pond | 1935 |