Stephen A. Forbes State Park Lake Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyMarion
Nearest CityWAYNE CITY
River/StreamLOST FORK CREEK
Coordinates38.71302, -88.74679

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height46 ft
Dam Length1,335 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage15,739 acre-ft
Max Storage15,739 acre-ft
Normal Storage8,800 acre-ft
Surface Area585 acres
Drainage Area21 sq mi
Max Discharge30,848 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerILLINOIS DEPARTMENT OF NATURAL RESOURCES
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection11/25/2024
Emergency Action PlanYes

Identifiers

NID IDIL00230
Federal IDIL00230
More InfoState Dam Safety Program

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