Hawthorne Hills Dam

High HazardNot Available ConditionEmergency Action Plan: No

Location

StateIllinois
CountyMadison
Nearest CityEDWARDSVILLE
River/StreamTRIB EAST MOONEY CR
Coordinates38.78034, -89.93011

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length1,200 ft

Storage & Hydraulics

NID Storage48 acre-ft
Max Storage48 acre-ft
Normal Storage14 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge514 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHAWTHORNE HILLS DEVELOPMENT, LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection08/20/2025
Emergency Action PlanNo

Identifiers

NID IDIL50702
Federal IDIL50702
More InfoState Dam Safety Program

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