Old Plank Park Basin Dam

Low HazardNot Available ConditionEmergency Action Plan: No

Location

StateIllinois
CountyDuPage
Nearest CityNAPERVILLE
River/StreamSTEEPLE RUN
Coordinates41.78086, -88.12982

Physical Characteristics

Dam TypeConcrete
NID Height10 ft
Dam Height10 ft
Dam Length350 ft

Storage & Hydraulics

NID Storage75 acre-ft
Max Storage75 acre-ft
Normal Storage39 acre-ft
Surface Area11 acres
Drainage Area1 sq mi
Max Discharge870 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF NAPERVILLE
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection12/06/2023
Emergency Action PlanNo

Identifiers

NID IDIL55145
Federal IDIL55145
More InfoState Dam Safety Program

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