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DNR Contacts for South Blue Lake

Find A Lake > Oneida County > South Blue Lake

South Blue Lake
Oneida County, 76 Acres


Water Quality

One measure of a lakes health is the trophic state, which relates to the amount of algae in the water. The average summer trophic state for the last 5 years was 42 (Mesotrophic) and was determined using Secchi data. For a Deep Seepage lake, this is considered Excellent. Deep Seepage lakes stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

South Blue Lake was monitored by volunteers between 1995 and 2017. Volunteers monitor water clarity with a black and white Secchi disk. Volunteers are the source of the majority of Wisconsin's lake water quality data, and their dedication is greatly appreciated. Reports and graphs featuring data collected by volunteers, DNR staff and others can be viewed below.

Water Quality Reports and Graphs

Station NameStation IDMapMax YearReports
South Blue Lake - Deep Hole443330Map2018Details