Deerfield Dam

Pennington County, South Dakota (near RAPID CITY)

River/Stream: CASTLE CREEK

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
171 ft
Dam Length
825 ft
Reservoir Storage
42,310 acre-ft
Year Completed
1947
Primary Purpose
Fish and Wildlife Pond
Owner Type
Federal
Max Discharge
103,400 cfs

Condition Assessment

Not AvailableLast inspected: 2023-05-03

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

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

Location

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Quick Stats

NID ID
SD01138
State
South Dakota (SD)
Coordinates
44.02920, -103.78530
Age
79 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.