Corey Lake Level Overflow Structure

Corey Lake Level Overflow Structure is a gravity dam located in St. Joseph County, Michigan, built in 1974. It carries a Low hazard potential classification and has a fair condition assessment.

About Corey Lake Level Overflow Structure

The primary purpose of Corey Lake Level Overflow Structure is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Corey Lake Association (private). It impounds the Trib To Profile Lake Drain near Jones.

The dam stands 6 feet tall and stretches 25 feet across, creates a reservoir covering 567 acres, has a maximum storage capacity of 430 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1974, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/30/2018.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountySt. Joseph
Nearest CityJones
River/StreamTrib To Profile Lake Drain
Coordinates41.92781, -85.73034

Physical Characteristics

Dam TypeGravity
NID Height6 ft
Dam Height6 ft
Dam Length25 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage430 acre-ft
Max Storage430 acre-ft
Normal Storage215 acre-ft
Surface Area567 acres
Drainage Area25 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCorey Lake Association
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection04/30/2018
Emergency Action PlanNot Required

Identifiers

NID IDMI02015
Federal IDMI02015
More InfoState Dam Safety Program

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