SNOFLO



WINSLOW LAKE

RESERVOIR LEVELS
First South Branch Oconto
April 15, 2025


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Winslow Lake, located in Oconto, Wisconsin, is a private water resource managed by the USDA NRCS and regulated by the Wisconsin Department of Natural Resources. This recreational lake, completed in 1971, serves as a popular spot for outdoor enthusiasts seeking leisure activities such as fishing and boating. With a dam height of 10 feet and a storage capacity of 200 acre-feet, Winslow Lake offers a serene escape for visitors to enjoy its 35-acre surface area.

Despite its low hazard potential and fair condition assessment, Winslow Lake has a very high risk assessment rating of 1 due to its location along the First South Branch Oconto River. The dam's controlled spillway and hydraulic height of 6 feet help manage potential flooding issues, with a maximum discharge capacity of 43 cubic feet per second. Regular inspections have been conducted, with the last inspection in May 2012 and a condition assessment update in August 2019. While emergency action plans are not currently in place, the lake remains a picturesque destination for water resource and climate enthusiasts to appreciate and explore.

Year_Completed 1971
Dam_Height 10
River_Or_Stream FIRST SOUTH BRANCH OCONTO
Dam_Length 150
Primary_Dam_Type Earth
Surface_Area 35
Hydraulic_Height 6
Drainage_Area 0.3
Nid_Storage 200
Structural_Height 10
Hazard_Potential Low
Nid_Height 10
       

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