SNOFLO


HIGH FALLS

RESERVOIR LEVELS
Rock Dam Peshtigo River
May 12, 2025


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High Falls, located in Marinette, Wisconsin, is a captivating hydroelectric dam on the Peshtigo River designed by Daniel W. Mead and completed in 1910. With a gravity dam type and a height of 47 feet, High Falls stands at the forefront of water resource management and climate sustainability efforts. The dam serves the primary purpose of hydroelectric power generation while also offering recreational opportunities for visitors to enjoy the surrounding area.

High Falls boasts a significant storage capacity of 16,000 acre-feet and a maximum discharge of 21,000 cubic feet per second, making it a crucial asset for water management in the region. Despite its high hazard potential, the dam is not currently state-regulated but falls under the jurisdiction of the Federal Energy Regulatory Commission. With its multi-arch core type and rock foundation, High Falls stands as a testament to engineering excellence and environmental stewardship in harnessing the power of water for both energy production and recreation.

The dam's impressive features, including a structural height of 38 feet and a hydraulic height of 83 feet, highlight its importance in regulating water flow and supporting the surrounding ecosystem. As a key player in the Federal Energy Regulatory Commission's oversight, High Falls plays a crucial role in ensuring the safety and efficiency of hydroelectric operations in the area. From its Tainter radial gates to its expansive surface area of 1,670 acres, High Falls stands as a symbol of sustainable water resource management and climate resilience in the face of evolving environmental challenges.

Year_Completed 1910
Dam_Height 47
River_Or_Stream Peshtigo River
Dam_Length 4903
Primary_Dam_Type Gravity
Surface_Area 1670
Hydraulic_Height 83
Drainage_Area 537
Nid_Storage 16000
Structural_Height 38
Outlet_Gates Tainter (radial) - 6
Hazard_Potential High
Foundations Rock
Nid_Height 83
       

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