Stephen A. Forbes State Park Lake Dam
Illinois — Marion County
Location
| State | Illinois |
| County | Marion |
| Coordinates | 38.71302, -88.74679 |
Physical Characteristics
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 1,335 ft |
| NID Storage | 15,739 acre-ft |
| Max Storage | 15,739 acre-ft |
| Surface Area | 585 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1963 |
| Primary Purpose | Recreation |
| Dam Type | — |
| Owner Type | — |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
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.