Calhoun Lake Dam

Calhoun Lake Dam is an earth dam located in Knox County, Illinois, built in 1923. It carries a Significant hazard potential classification.

About Calhoun Lake Dam

The primary purpose of Calhoun Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Galva Lake Association (private). It impounds the Trib Fitch Lake near West Jersey-offstream.

The dam stands 24 feet tall and stretches 630 feet across, and has a maximum storage capacity of 413 acre-feet. Completed in 1923, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 04/26/2019.

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Significant HazardNot Available ConditionEmergency Action Plan: No

Location

StateIllinois
CountyKnox
Nearest CityWest Jersey-offstream
River/StreamTrib Fitch Lake
Coordinates41.10457, -90.01623

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length630 ft
Year Completed1923 (103 years old)

Storage & Hydraulics

NID Storage413 acre-ft
Max Storage413 acre-ft
Normal Storage202 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerGALVA LAKE ASSOCIATION
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection04/26/2019
Emergency Action PlanNo

Identifiers

NID IDIL00416
Federal IDIL00416
More InfoState Dam Safety Program

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