Vanwinkle Lake Dam
Illinois — Fulton County — TRIB BIG CREEK
Location
| State | Illinois |
| County | Fulton |
| River | TRIB BIG CREEK |
| Coordinates | 40.54987, -90.04719 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| NID Storage | 178 acre-ft |
| Max Storage | 178 acre-ft |
| Surface Area | 19 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | September 9, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1900 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | WALLJASPER |
| Other Name | Vanwinkle Lake |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.