Starved Rock Lock And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyLaSalle
Nearest CityUTICA
River/StreamILLINOIS RIVER
Coordinates41.32281, -88.98526

Physical Characteristics

Dam TypeConcrete
NID Height35 ft
Dam Length1,429 ft
Year Completed1933 (93 years old)

Storage & Hydraulics

NID Storage16,000 acre-ft
Max Storage16,000 acre-ft
Drainage Area11,056 sq mi
Max Discharge164,000 cfs
Spillway TypeNone

Ownership & Safety

PurposeNavigation
OwnerUSACE - Rock Island District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection05/23/2024
Emergency Action PlanYes

Identifiers

NID IDIL00004
Federal IDIL00004
More InfoState Dam Safety Program

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