Heyen Lake Dam
Illinois — Montgomery County — TRIB WEST FORK SHOAL CREEK
Location
| State | Illinois |
| County | Montgomery |
| River | TRIB WEST FORK SHOAL CREEK |
| Coordinates | 39.15581, -89.61166 |
Physical Characteristics
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 385 ft |
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | August 8, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1966 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | WAYNE HEYDEN |
| Other Name | Heyen 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.