Superior Dam

Washtenaw County, Michigan (near Iypsilanti/Belleville)

River/Stream: Huron River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
35 ft
Dam Length
496 ft
Reservoir Storage
2,803 acre-ft
Year Completed
1919
Primary Purpose
Hydroelectric
Owner Type
Local Government
Max Discharge
17,200 cfs

Condition Assessment

SatisfactoryLast inspected: 2022-07-14

Hazard Classification: High — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
MI00558
State
Michigan (MI)
Coordinates
42.26550, -83.64420
Age
107 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.