Marion Reservoir Dam
Illinois — Williamson County — LIMB BRANCH
Location
| State | Illinois |
| County | Williamson |
| River | LIMB BRANCH |
| Coordinates | 37.68351, -88.95278 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 895 ft |
| NID Storage | 1,931 acre-ft |
| Max Storage | 1,931 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | June 28, 2023 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1971 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF MARION |
| Other Name | Marion Reservoir |
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.