Vernor Lake Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyRichland
Nearest CityOLNEY
River/StreamTRIB FOX RIVER
Coordinates38.76407, -88.10301

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length820 ft
Year Completed1924 (102 years old)

Storage & Hydraulics

NID Storage972 acre-ft
Max Storage972 acre-ft
Normal Storage900 acre-ft
Surface Area45 acres
Drainage Area0 sq mi
Max Discharge221 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCITY OF OLNEY
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection08/28/2025
Emergency Action PlanYes

Identifiers

NID IDIL00793
Federal IDIL00793
More InfoState Dam Safety Program

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