SNOFLO
 



HOFSTRAND LAKE DAM

RESERVOIR LEVELS
Unlisted/Unknown Dam Little Coulee
April 16, 2025


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Hofstrand Lake Dam, located in Benson, North Dakota, is a federal-owned structure managed by the Fish and Wildlife Service. Constructed in 1978 by the Soil Conservation Service, this earth dam stands at a height of 10 feet with a length of 100 feet, serving as a critical resource in managing the flow of the Little Coulee stream. With a storage capacity of 4795 acre-feet and a surface area of 513 acres, the dam plays a crucial role in regulating water levels and protecting the surrounding area from potential flooding.

Despite its low hazard potential, the dam's condition assessment is rated as poor, with the last inspection conducted in August 2015. The outlet gates are equipped with slide (sluice gate) technology, and the dam is regulated by the Fish and Wildlife Service, with state oversight from the North Dakota State Water Commission. Ensuring the maintenance and upkeep of this essential structure is vital to safeguarding the local ecosystem and water resources, highlighting the importance of regular inspections and necessary repairs to enhance its overall safety and performance.

With a drainage area of 7.1 square miles and a normal storage capacity of 1790 acre-feet, Hofstrand Lake Dam is a significant component of the water management system in the region. As climate change continues to impact water resources, the proper maintenance and upkeep of this dam are essential to ensure its continued functionality and effectiveness in protecting the surrounding area from potential risks associated with extreme weather events and fluctuating water levels.

Year_Completed 1978
Dam_Height 10
River_Or_Stream Little Coulee
Dam_Length 100
Primary_Dam_Type Earth
Surface_Area 513
Hydraulic_Height 10
Drainage_Area 7.1
Nid_Storage 4795
Structural_Height 10
Outlet_Gates Slide (sluice gate)
Hazard_Potential Low
Foundations Unlisted/Unknown
Nid_Height 10
       

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