Lake Matherville Dam
Illinois — Mercer County — TRIB EDWARDS RIVER
Location
| State | Illinois |
| County | Mercer |
| River | TRIB EDWARDS RIVER |
| Coordinates | 41.26153, -90.61159 |
Physical Characteristics
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 606 ft |
| NID Storage | 158 acre-ft |
| Max Storage | 158 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | May 2, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1926 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF MATHERVILLE |
| Other Name | Lake Matherville |
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.