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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
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Bureau of Water Quality
DNR Contacts for Tomahawk Lake

Find A Lake > Bayfield County > Tomahawk Lake

Tomahawk Lake
Bayfield County, 131 Acres

Tomahawk Lake was monitored by volunteers between 2000 and 2014. 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. Additional monitoring has been done through projects funded in part by DNR Aquatic Invasive Species Grants. 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
Tomahawk Lake - Center of Eastern Bay10048237Map2017Details
Tomahawk Lake - Deep Hole043119Map2015Details