Weslake Dam
Illinois — St. Clair County — TR NEGRO HOLLOW,SHOENBERGER CR
Location
| State | Illinois |
| County | St. Clair |
| River | TR NEGRO HOLLOW,SHOENBERGER CR |
| Coordinates | 38.59545, -90.02943 |
Physical Characteristics
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 330 ft |
| NID Storage | 340 acre-ft |
| Max Storage | 340 acre-ft |
| Surface Area | 15 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | November 1, 2024 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1962 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | WESLAKE ASSOCIATION |
| Other Name | Weslake |
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.