SNOFLO
 



LONG LAKE FLOWAGE WLA

RESERVOIR LEVELS
Long Lake Inlet
April 25, 2025


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Long Lake Flowage Wildlife Area, located in Sauk County, Wisconsin, is a state-managed water resource offering a variety of recreational opportunities. The earth dam, completed in 1972, stands at a height of 10 feet and spans 3050 feet, creating a reservoir with a storage capacity of 1000 acre-feet and a surface area of 150 acres. The primary purpose of the dam is for recreation, providing a serene and picturesque setting for visitors to enjoy water-based activities.

Maintained by the Wisconsin Department of Natural Resources, Long Lake Flowage WLA is regulated and inspected by state agencies to ensure its safety and functionality. The dam has a low hazard potential and is rated in fair condition, with regular inspections and maintenance efforts in place. Despite its low hazard potential, the area is considered to have a very high risk due to its location and potential impact in case of an emergency. Visitors can rest assured that emergency preparedness measures are in place to mitigate any risks associated with the dam.

For water resource and climate enthusiasts, Long Lake Flowage WLA offers a fascinating glimpse into the management and conservation of a vital natural resource. The controlled spillway and drainage area of 24 square miles contribute to the overall health of the ecosystem, while also providing recreational opportunities for visitors to enjoy. With its rich history and ongoing commitment to safety and conservation, Long Lake Flowage WLA stands as a testament to the importance of responsible water resource management in the face of changing climate conditions.

Year_Completed 1972
Dam_Height 10
River_Or_Stream LONG LAKE INLET
Dam_Length 3050
Primary_Dam_Type Earth
Surface_Area 150
Hydraulic_Height 10
Drainage_Area 24
Nid_Storage 1000
Structural_Height 10
Hazard_Potential Low
Nid_Height 10
       

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