Hemlock Carpenter And Long Lake Dam

Hemlock Carpenter And Long Lake Dam is a gravity dam located in Hillsdale County, Michigan, built in 1962. It carries a Low hazard potential classification and has a fair condition assessment.

About Hemlock Carpenter And Long Lake Dam

The primary purpose of Hemlock Carpenter And Long Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hillsdale County Drain Commissioner (private). It impounds the Hog Creek near Hodunk.

The dam stands 7 feet tall and stretches 40 feet across, creates a reservoir covering 386 acres, and has a maximum storage capacity of 112 acre-feet. Completed in 1962, 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 10/02/2019.

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Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyHillsdale
Nearest CityHodunk
River/StreamHog Creek
Coordinates41.89333, -84.79833

Physical Characteristics

Dam TypeGravity
NID Height7 ft
Dam Height7 ft
Dam Length40 ft
Year Completed1962 (64 years old)

Storage & Hydraulics

NID Storage112 acre-ft
Max Storage112 acre-ft
Normal Storage112 acre-ft
Surface Area386 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerHillsdale County Drain Commissioner
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection10/02/2019
Emergency Action PlanNot Required

Identifiers

NID IDMI01634
Federal IDMI01634
More InfoState Dam Safety Program

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