Stonehenge Lake Dam
Illinois — St. Clair County — PRAIRIE DU LONG CREEK
Location
| State | Illinois |
| County | St. Clair |
| River | PRAIRIE DU LONG CREEK |
| Coordinates | 38.39835, -90.12496 |
Physical Characteristics
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 320 ft |
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Surface Area | 18 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | December 2, 2021 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 2008 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | STONEHENGE LAND TRUST II |
| Other Name | Stonehenge Subdivision Lake Dam |
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.