Larsen Dam

Lyman County, South Dakota (near OACOMA)

River/Stream: DRY DRAW

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
26 ft
Dam Length
350 ft
Reservoir Storage
280 acre-ft
Year Completed
1937
Primary Purpose
Recreation
Owner Type
State
Max Discharge
600 cfs

Condition Assessment

Not RatedLast inspected: 2017-10-19

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
SD02171
State
South Dakota (SD)
Coordinates
43.82979, -99.56955
Age
89 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.