Orland Park Basin Dam

Cook County, Illinois (near ORLAND PARK)

River/Stream: MARLEY CREEK

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
7 ft
Dam Length
3,600 ft
Reservoir Storage
220 acre-ft
Year Completed
1992
Primary Purpose
Flood Risk Reduction
Owner Type
Local Government
Max Discharge
476 cfs

Condition Assessment

Not AvailableLast inspected: 2025-10-29

Hazard Classification: Low — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Not Available — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
IL50144
State
Illinois (IL)
Coordinates
41.60137, -87.87146
Age
34 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.