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POWELL FALLS

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March 29, 2025


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Powell Falls, located in River Falls, Wisconsin, is a gravity dam on the Kinnickinnic River with a primary purpose of hydroelectric power generation. Completed in 1966, this multi-arch dam stands at 22 feet high and spans 137 feet in length, with a maximum storage capacity of 37 acre-feet. With a significant hazard potential and a moderate risk assessment, Powell Falls is inspected by the Federal Energy Regulatory Commission every three years to ensure its structural integrity and operational safety.

This picturesque dam features an uncontrolled spillway with a width of 110 feet and a maximum discharge capacity of 16,100 cubic feet per second. With its location in the heart of Pierce County, Wisconsin, Powell Falls serves as a vital resource for water management and renewable energy production in the region. Given its impressive engineering design and historical significance, Powell Falls is a must-visit destination for water resource and climate enthusiasts looking to learn more about sustainable hydropower practices and the impact of dams on local ecosystems.

As a locally-owned structure overseen by the Federal Energy Regulatory Commission, Powell Falls plays a crucial role in the management of the Kinnickinnic River watershed and contributes to the overall environmental sustainability of the area. With its rock foundations, slide gate outlet, and 15-acre surface area, Powell Falls stands as a symbol of innovative hydroelectric technology and responsible water resource management. For those passionate about water conservation and climate resilience, Powell Falls offers a unique opportunity to witness the intersection of human ingenuity and natural resource protection in action.

Year_Completed 1966
Dam_Height 22
River_Or_Stream Kinnickinnic River
Dam_Length 137
Primary_Dam_Type Gravity
Surface_Area 15
Hydraulic_Height 18.4
Drainage_Area 120
Nid_Storage 37
Structural_Height 22
Outlet_Gates Slide (sluice gate) - 1
Hazard_Potential Significant
Foundations Rock
Nid_Height 22
       

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