SNOFLO
 

       

HIGHWAY 75 DAM

RESERVOIR LEVELS
March 23, 2025


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The Highway 75 Dam, located in Lac qui Parle, Minnesota, is a crucial structure owned and managed by the US Army Corps of Engineers for flood risk reduction along the Minnesota River. Constructed in 1974, this earth dam stands at a height of 32 feet and spans a length of 16,160 feet, with a maximum storage capacity of 91,000 acre-feet and a normal storage of 11,700 acre-feet. The dam also serves multiple purposes, including flood risk reduction, fish and wildlife pond, recreation, and water supply.

With a controlled spillway type and low hazard potential, the Highway 75 Dam is regularly monitored and maintained by the US Army Corps of Engineers to manage dam-related flood risks effectively. The agency implements risk management measures by engaging with local emergency managers, updating emergency action plans, and conducting regular inspections and repairs to ensure the dam's structural integrity. Despite the dam's risk assessment of 'Very High (1)', the USACE's proactive approach to risk mitigation and public awareness aims to address potential issues and ensure the dam's continued functionality in the face of severe weather events and water management challenges.

Year_Completed 1974
Dam_Height 10
River_Or_Stream MINNESOTA RIVER
Dam_Length 16160
Primary_Dam_Type Earth
Surface_Area 2800
Hydraulic_Height 25
Drainage_Area 1700
Nid_Storage 91000
Structural_Height 32
Outlet_Gates Bascule - 0
Hazard_Potential Low
Foundations Rock, Soil
Nid_Height 32
       

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