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Morris Jensen is a privately owned dam located in Perkins, South Dakota, along the TR South Grand River.
Built in 1936, this earth dam stands at a height of 24 feet and spans 360 feet in length, providing a storage capacity of 144 acre-feet. With a maximum discharge capacity of 280 cubic feet per second, Morris Jensen serves primarily as a flood control structure with low hazard potential.
Managed by the South Dakota Department of Environment and Natural Resources (DENR), Morris Jensen is regulated and inspected by state authorities to ensure its safety and functionality. Despite being classified as "Not Rated" in terms of its condition assessment, the dam's emergency action plan status and risk management measures remain unspecified. While lacking in detailed risk assessment data, Morris Jensen continues to play a crucial role in water resource management within the region, supported by its state-permitted operations and enforcement protocols.
Year Completed |
1936 |
Dam Length |
360 |
Dam Height |
24 |
River Or Stream |
TR SOUTH GRAND RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
24 |
Nid Storage |
144 |
Hazard Potential |
Low |
Nid Height |
24 |
| Location | Reservations | Toilets |
|---|---|---|
Ketterlings Point - Shadehill State Rec Area
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Llewellyn Johns State Rec Area
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Haynes City Park
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Mirror Lake City Park
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