Orland Park Basin Dam
Illinois — Cook County — MARLEY CREEK
Location
| State | Illinois |
| County | Cook |
| River | MARLEY CREEK |
| Coordinates | 41.60137, -87.87146 |
Physical Characteristics
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 3,600 ft |
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | October 29, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1992 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | VILLAGE OF ORLAND PARK |
| Other Name | Orland Park Detention 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.