Ethan

Hanson County, South Dakota (near NONE)

River/Stream: TWELVE MILE CREEK

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
15 ft
Dam Length
750 ft
Reservoir Storage
402 acre-ft
Year Completed
1936
Primary Purpose
Flood Risk Reduction
Owner Type
State
Max Discharge
1,370 cfs

Condition Assessment

Not RatedLast inspected: 2022-10-04

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
SD00022
State
South Dakota (SD)
Coordinates
43.54515, -97.94285
Age
90 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.