Dams in Montmorency County, Michigan
17Total Dams
0High Hazard
2Significant
Dam Safety in Montmorency County, Michigan
Montmorency County has 17 dams tracked in the National Inventory of Dams. Another 2 carry a significant hazard classification. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Montmorency County is 75 years old. The most common purpose is recreation. The tallest dam is Robert Slivensky Dam at 20 ft.
Explore more: Oldest dams in Michigan · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Robert Slivensky Dam | Significant | Satisfactory | 20 | Recreation | 1972 |
| Upper Hiawatha Dam | Significant | Poor | 9 | Recreation | 1947 |
| Rush Lake Level Control Structure | Low | Not Rated | 19 | Recreation | 1956 |
| Crooked Lake Level Control Structure | Low | Satisfactory | 18 | Recreation | 1949 |
| Hillman | Low | Satisfactory | 16 | Hydroelectric | 1895 |
| Grass Lake Level Control Structure | Low | Satisfactory | 16 | Recreation | 1937 |
| Lake Inez Dam | Low | Not Rated | 15 | Recreation | 1974 |
| Avery Lake Dam | Low | Satisfactory | 15 | Recreation | 1970 |
| Atlanta Dam | Low | Not Rated | 15 | Recreation | 1920 |
| Atlanta Sportsmen Dam | Low | Fair | 13 | Recreation | 1980 |
| Brush Creek Dam | Low | Satisfactory | 13 | Recreation | 1930 |
| Foch Lakes Dam | Low | Fair | 13 | Recreation | 1948 |
| Rainy River Dam | Low | Satisfactory | 11 | Recreation | 1960 |
| Sage Lake Dam | Low | Satisfactory | 9 | Recreation | 1960 |
| East Fish Lake Dam | Low | Satisfactory | 9 | Recreation | 1962 |
| Fuller Creek Pond Dam | Low | Not Rated | 8 | Recreation | 1949 |
| Muskellunge Lake Level Control Struct | Low | Not Rated | 7 | Recreation | 1957 |