Superior Lake Dam
Illinois — Jefferson County — TRIB BIG MUDDY RIVER
Location
| State | Illinois |
| County | Jefferson |
| River | TRIB BIG MUDDY RIVER |
| Coordinates | 38.41643, -89.04639 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 350 ft |
| NID Storage | 729 acre-ft |
| Max Storage | 729 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | June 2, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1953 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | OAK SHORES ASSOCIATION |
| Other Name | Superior 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.