Ammann Dam

Roberts County, South Dakota

River/Stream: Nork Fork Whetstone River-TR

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
35 ft
Dam Length
233 ft
Reservoir Storage
30 acre-ft
Year Completed
2008
Primary Purpose
Fish and Wildlife Pond
Owner Type
Private
Max Discharge
158 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
SD02665
State
South Dakota (SD)
Coordinates
45.40165, -97.00447
Age
18 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.