7Total Dams
1High Hazard
3Significant
Dam Safety in Putnam County, Illinois
Putnam County has 7 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 3 carry a significant hazard classification.
The average dam in Putnam County is 45 years old. The most common purpose is recreation. The tallest dam is Lake Thunderbird Dam at 86 ft.
Explore more: Oldest dams in Illinois · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Lake Thunderbird Dam | High | Not assessed | 86 | Recreation | 1970 |
| Hennepin Ash Pond 2 Dam | Significant | Not assessed | 52 | Other | |
| Putnam County Conservation District Dam | Significant | Not assessed | 45 | Recreation | 1993 |
| Hennepin Station West Ash Pond Dam | Significant | Not assessed | 0 | Other | |
| Fish 'n' Fun Lake Dam | Low | Not assessed | 33 | Recreation | 1965 |
| Condit Dam 1 | Low | Not assessed | 32 | Fish and Wildlife Pond | 1977 |
| Hennepin Station East Ash Pond | Low | Not assessed | 26 | Other | 1996 |