Olmsted Locks And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyBallard
Nearest CityOLMSTED
River/StreamOHIO RIVER
Coordinates37.18342, -89.06345

Physical Characteristics

Dam TypeConcrete
NID Height67 ft
Dam Height49 ft
Dam Length3,575 ft
Year Completed2018 (8 years old)

Storage & Hydraulics

NID Storage728,000 acre-ft
Max Storage728,000 acre-ft
Normal Storage425,000 acre-ft
Surface Area19,000 acres
Drainage Area203,000 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Louisville District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection10/09/2025
Emergency Action PlanYes

Identifiers

NID IDIL50745
Federal IDIL50745
More InfoState Dam Safety Program

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