Lake Glenn Shoals Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateIllinois
CountyMontgomery
Nearest CityHILLSBORO
River/StreamMIDDLE FORK OF SHOAL CREEK
Coordinates39.18645, -89.47861

Physical Characteristics

Dam TypeEarth
NID Height56 ft
Dam Height56 ft
Dam Length1,430 ft
Year Completed1978 (48 years old)

Storage & Hydraulics

NID Storage38,900 acre-ft
Max Storage38,900 acre-ft
Normal Storage13,000 acre-ft
Max Discharge20,800 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF HILLSBORO
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection09/17/2024
Emergency Action PlanYes

Identifiers

NID IDIL00971
Federal IDIL00971
More InfoState Dam Safety Program

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