Wigwam Bay Wildlife Area Dike

Wigwam Bay Wildlife Area Dike is an earth dam located in Arenac County, Michigan, built in 1940. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Wigwam Bay Wildlife Area Dike

The primary purpose of Wigwam Bay Wildlife Area Dike is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Wildlife (state). It impounds the Old Rifle River Channel near Wigwam Bay.

The dam stands 9 feet tall and stretches 26,000 feet across, creates a reservoir covering 750 acres, has a maximum storage capacity of 2,700 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1940, the structure is well-established, with more than 75 years of service.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/22/2015. That was over 10 years ago.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateMichigan
CountyArenac
Nearest CityWigwam Bay
River/StreamOld Rifle River Channel
Coordinates43.98611, -83.78472

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length26,000 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage2,700 acre-ft
Max Storage2,700 acre-ft
Normal Storage1,500 acre-ft
Surface Area750 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMDNR Wildlife
Owner TypeState
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection04/22/2015
Emergency Action PlanNot Required

Identifiers

NID IDMI01088
Federal IDMI01088
More InfoState Dam Safety Program

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