Dams in Stephenson County, Illinois
4Total Dams
2High Hazard
2Significant
Dam Safety in Stephenson County, Illinois
Stephenson County has 4 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 2 carry a significant hazard classification.
The average dam in Stephenson County is 58 years old. The most common purpose is other. The tallest dam is Lake Le-aqua-na Dam at 44 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 |
|---|---|---|---|---|---|
| Willow Lake Dam | High | Not Available | 25 | Other | 1974 |
| Highland Community College Lake Dam | High | Not Available | 20 | Flood Risk Reduction | 1970 |
| Lake Le-aqua-na Dam | Significant | Not Available | 44 | Recreation | 1955 |
| Pearl City Lagoon Dam | Significant | Not Available | 11 | Other | 1970 |