Vanwinkle Lake Dam
High HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Fulton |
| Nearest City | CANTON |
| River/Stream | TRIB BIG CREEK |
| Coordinates | 40.54987, -90.04719 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 178 acre-ft |
| Max Storage | 178 acre-ft |
| Normal Storage | 99 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,201 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WALLJASPER |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 09/09/2025 |
| Emergency Action Plan | No |