Orland Park Basin Dam
Low HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Cook |
| Nearest City | ORLAND PARK |
| River/Stream | MARLEY CREEK |
| Coordinates | 41.60137, -87.87146 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 3,600 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Max Discharge | 476 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | VILLAGE OF ORLAND PARK |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 10/29/2025 |
| Emergency Action Plan | Yes |