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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
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DNR Contacts for Bear Lake

Find A Lake > Forest County > Bear Lake

Bear Lake
Forest County, 66 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 54 (Eutrophic) and was determined using chlorophyll data. For a Reservoir lake, this is considered Good.

Bear Lake has been monitored by volunteers since 2006. Volunteers monitor water clarity with a black and white Secchi disk. Some also collect water samples, which are sent to the State Lab of Hygiene to be analyzed. 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
Bear Lake - Deep Hole213186Map2020Details