Peoria Lock and Dam

Illinois — Tazewell County — ILLINOIS RIVER

Location

StateIllinois
CountyTazewell
RiverILLINOIS RIVER
Coordinates40.63170, -89.62450

Physical Characteristics

NID Height23 ft
Dam Height
Dam Length536 ft
NID Storage225,000 acre-ft
Max Storage225,000 acre-ft
Surface Area0 acres

Safety Classification

Hazard PotentialSignificant
Condition AssessmentNot Available
EAP StatusYes
Last InspectionJuly 22, 2021
Inspection Frequency5

Dam Information

Year Completed1939
Primary PurposeNavigation
Dam TypeConcrete
Owner TypeFederal
OwnerUSACE - Rock Island District
Other NamePeoria 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.

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