St. Anthony Falls Lower Lock and Dam

Hennepin County, Minnesota (near MINNEAPOLIS)

River/Stream: MISSISSIPPI

Significant Hazard

Failure could cause economic loss or disruption

Key Facts

Dam Type
Concrete
Height
58 ft
Dam Length
213 ft
Reservoir Storage
420 acre-ft
Year Completed
1956
Primary Purpose
Navigation
Owner Type
Federal
Max Discharge
91,000 cfs

Condition Assessment

Not AvailableLast inspected: 2020-10-07

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

Condition Assessment: Not Available — This describes the current physical condition of the dam based on the most recent inspection.

Location

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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.