5Total Dams
2High Hazard
1Significant
Dam Safety in Macon County, Illinois
Macon County has 5 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life. Another 1 carry a significant hazard classification.
The average dam in Macon County is 63 years old. The most common purpose is flood risk reduction. The tallest dam is Lake Decatur Dam at 33 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Decatur Dam | High | Not assessed | 33 | Recreation | 1922 |
| Faries Park Dredge Disposal Dam | High | Not assessed | 29 | Debris Control | 1994 |
| A. E. Staley Cooling Lake Dam | Significant | Not assessed | 22 | Other | 1944 |
| Monroe Street Dam | Low | Not assessed | 16 | Flood Risk Reduction | 1991 |
| Valley View Dam | Low | Not assessed | 12 | Flood Risk Reduction |