Dams in Douglas County, Illinois
4Total Dams
0High Hazard
2Significant
Dam Safety in Douglas County, Illinois
Douglas County has 4 dams tracked in the National Inventory of Dams. Another 2 carry a significant hazard classification.
The average dam in Douglas County is 64 years old. The most common purpose is recreation. The tallest dam is Walnut Point State Park Lake Dam at 46 ft.
Explore more: Oldest dams in Illinois · 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 |
|---|---|---|---|---|---|
| Alpena/murdock/slurry Pond 5 Dam | Significant | Not Available | 23 | Other | 1984 |
| National Petroleum Chemical Plant Lake Dam | Significant | Not Available | 21 | Water Supply | 1952 |
| Walnut Point State Park Lake Dam | Low | Not Available | 46 | Recreation | 1967 |
| Patterson Springs Lake Dam | Low | Not Available | 13 | Recreation | 1945 |