Dams in DeKalb County, Illinois
8Total Dams
3High Hazard
0Significant
Dam Safety in DeKalb County, Illinois
DeKalb County has 8 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in DeKalb County is 32 years old. The most common purpose is irrigation. The tallest dam is Shabbona Lake Dam at 56 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 |
|---|---|---|---|---|---|
| Cortland Water Reclamation Facility Cell 4 Dam | High | Not Available | 17 | Irrigation | 2008 |
| Cortland Water Reclamation Facility Cell 3 Dam | High | Not Available | 17 | Irrigation | 2008 |
| Bethany Road Detention Pond Dam | High | Not Available | 11 | Flood Risk Reduction | |
| Shabbona Lake Dam | Low | Not Available | 56 | Other | 1974 |
| Cortland Water Reclamation Facility Cell 1 Dam | Low | Not Available | 17 | Irrigation | 2008 |
| Cortland Water Reclamation Facility Cell 2 Dam | Low | Not Available | 17 | Irrigation | 2008 |
| Buck Lake Dam | Low | Not Available | 16 | Recreation | 1971 |
| Faivre Pond Dam 4 | Undetermined | Not Available | 22 | Recreation | 1977 |