Winner Dam

Harrison County, Iowa (near Missouri Valley)

River/Stream: Trib to Thompson Creek

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
41 ft
Dam Length
800 ft
Reservoir Storage
190 acre-ft
Year Completed
2011
Primary Purpose
Flood Risk Reduction
Owner Type
Private
Max Discharge
225 cfs

Condition Assessment

Not Rated

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

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

Location

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Quick Stats

NID ID
IA04181
State
Iowa (IA)
Coordinates
41.73530, -95.79860
Age
15 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.