Major Lake

Pennington County, South Dakota (near HILL CITY)

River/Stream: SPRING CR TRIB

High Hazard

Failure would likely cause loss of life

Key Facts

Dam Type
Earth
Height
18 ft
Dam Length
310 ft
Reservoir Storage
73 acre-ft
Year Completed
1939
Primary Purpose
Recreation
Owner Type
Federal
Max Discharge
1,030 cfs

Condition Assessment

Not RatedLast inspected: 2019-09-05

Hazard Classification: High — 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

Loading map...

Quick Stats

NID ID
SD02225
State
South Dakota (SD)
Coordinates
43.93590, -103.56819
Age
87 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.