Forest Lake Dam

Forest Lake Dam is an earth dam located in Arenac County, Michigan, built in 1971. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Forest Lake Dam

The primary purpose of Forest Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Forest Lake Property Owners Assoc. (private). It impounds the Wells Creek near Omer.

The dam stands 48 feet tall and stretches 800 feet across, creates a reservoir covering 305 acres, has a maximum storage capacity of 7,440 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1971, the structure is well into its service life at over 50 years 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 05/19/2020.

At 48 feet, this dam is taller than 92% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyArenac
Nearest CityOmer
River/StreamWells Creek
Coordinates44.12167, -84.05833

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height48 ft
Dam Length800 ft
Year Completed1971 (55 years old)

Storage & Hydraulics

NID Storage7,440 acre-ft
Max Storage7,440 acre-ft
Normal Storage6,405 acre-ft
Surface Area305 acres
Drainage Area25 sq mi
Max Discharge4,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerForest Lake Property Owners Assoc.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection05/19/2020
Emergency Action PlanYes

Identifiers

NID IDMI00437
Federal IDMI00437
More InfoState Dam Safety Program

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