Alcona

Alcona County, Michigan (near Oscoda)

River/Stream: Au Sable River

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Gravity
Height
60 ft
Dam Length
4,820 ft
Reservoir Storage
25,000 acre-ft
Year Completed
1924
Primary Purpose
Hydroelectric
Owner Type
Public Utility
Max Discharge
17,760 cfs

Condition Assessment

FairLast inspected: 2022-09-13

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

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

Location

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Quick Stats

NID ID
MI00150
State
Michigan (MI)
Coordinates
44.56199, -83.80448
Age
102 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.