Peoria Lock and Dam

Tazewell County, Illinois (near NORTH PEKIN)

River/Stream: ILLINOIS RIVER

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Concrete
Height
23 ft
Dam Length
536 ft
Reservoir Storage
225,000 acre-ft
Year Completed
1939
Primary Purpose
Navigation
Owner Type
Federal
Max Discharge
111,000 cfs

Condition Assessment

Not AvailableLast inspected: 2021-07-22

Hazard Classification: Significant — 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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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.