Mallard Dam

Lyman County, South Dakota (near NONE)

River/Stream: CEDAR CREEK

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
20 ft
Dam Length
400 ft
Reservoir Storage
166 acre-ft
Year Completed
1942
Primary Purpose
Fish and Wildlife Pond
Owner Type
Federal
Max Discharge
2,080 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
SD02331
State
South Dakota (SD)
Coordinates
44.14707, -100.18661
Age
84 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.