MUD LAKE ABOVE WHITE ROCK DAM NEAR WHITE ROCK

RESERVOIR LEVELS USGS 05049995
April 20, 2025


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White Rock Dam, also known as Mud Lake, is a federal-owned structure located on the Bois de Sioux River in Wahpeton, Minnesota. Completed in 1941 by the US Army Corps of Engineers, this earth dam stands at 33 feet high and stretches 14,500 feet in length, with a storage capacity of 95,500 acre-feet. Its primary purpose is flood risk reduction, although it also serves other functions such as fish and wildlife pond, recreation, and water supply.

With a hazard potential rated as high, White Rock Dam is closely monitored and maintained by the US Army Corps of Engineers to manage flood risks associated with the structure. Regular inspections, emergency action plans, and coordination with local emergency managers are key components of risk management measures. Despite the dam's capacity to store water and release it as needed, severe weather events can still pose challenges, requiring ongoing vigilance and readiness to respond to any potential emergencies.

Gage Height, Ft 24hr Change 0.1%
Percent of Normal 98%
Minimum 65.77 ft
2025-02-19
Maximum 80.55 ft
2019-04-08
Average 74 ft
Dam_Height 20
Hydraulic_Height 20
Drainage_Area 1160
Year_Completed 1941
Nid_Storage 95500
Structural_Height 33
Primary_Dam_Type Earth
Foundations Soil
Surface_Area 3850
Outlet_Gates Tainter (radial) - 3
River_Or_Stream BOIS DE SIOUX
Dam_Length 14500
Hazard_Potential High
Nid_Height 33
       
Seasonal Comparison
Gage Height, Ft Levels

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