Au Train South Levee

Au Train South Levee is an earth dam located in Alger County, Michigan, built in 1910. It carries a High hazard potential classification and has a poor condition assessment.

About Au Train South Levee

The primary purpose of Au Train South Levee is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Au Train River near Au Train.

The dam stands 15 feet tall and stretches 4,500 feet across, creates a reservoir covering 1,515 acres, has a maximum storage capacity of 12,319 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1910, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 06/18/2025.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Michigan dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateMichigan
CountyAlger
Nearest CityAu Train
River/StreamAu Train River
Coordinates46.24690, -86.85960

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length4,500 ft
Year Completed1910 (116 years old)

Storage & Hydraulics

NID Storage12,319 acre-ft
Max Storage12,319 acre-ft
Normal Storage12,319 acre-ft
Surface Area1,515 acres
Drainage Area80 sq mi
Max Discharge13,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection06/18/2025
Emergency Action PlanYes

Identifiers

NID IDMI00152
Federal IDMI00152S001
More InfoState Dam Safety Program

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