Dams in Sanders County, Montana
8Total Dams
3High Hazard
0Significant
Dam Safety in Sanders County, Montana
Sanders County has 8 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Sanders County is 75 years old. The most common purpose is irrigation. The tallest dam is Noxon Rapids at 260 ft.
Explore more: Oldest dams in Montana · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Noxon Rapids | High | Fair | 260 | Hydroelectric | 1960 |
| Upper Dry Fork | High | Unsatisfactory | 40 | Irrigation | 1940 |
| Lower Dry Fork Dike | High | Fair | 15 | Irrigation | 1921 |
| Little Blue Dam | Low | 95 | Other | 1954 | |
| Thompson Falls - Intake Dam A | Low | Satisfactory | 62 | Hydroelectric | 1915 |
| Bill Christensen Dam | Low | 17 | Irrigation | 1976 | |
| Cross | Low | 10 | Flood Risk Reduction | 1963 | |
| Stony Lake | Low | Not Rated | 8 | Other | 1979 |