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Shawano Lake Photo of Boat Landing at Campsite

Shawano Lake Photo of Boat Landing at Campsite
Photo by Michael Willman

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

Shawano Area Waterways Management [exit DNR]

Shawano Lake Sanitary District [exit DNR]

Find A Lake > Shawano County > Shawano Lake

Shawano Lake
Shawano County, 6215 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 51 (Eutrophic) and was determined using chlorophyll data. For a Shallow Lowland lake, this is considered Excellent. Shallow Lowland lakes do not stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Shawano Lake was monitored by volunteers between 1988 and 2016. 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. Shawano Lake is also part of DNR's long term trend monitoring project. 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
Shawano Lake - Deep Hole593072Map2019Details
Shawano Lake - E (Herbicide Monitoring Site 5)10044690Map2016Details
Shawano Lake - East Central Part Of Lake593145Map2016Details
Shawano Lake - Northwest Basin593154Map2016Details
Shawano Lake - Outlet Above Sth 47100' Above Bridge On N. Side Of Channel593139Map1998Details
Shawano Lake - Southwest Bay (Herbicide Monitoring Site 1)10042086Map2014Details
Shawano Lake - Southwest Bay (Herbicide Monitoring Site 2)10042087Map2014Details
Shawano Lake - Southwest Bay (Herbicide Monitoring Site 3)10042088Map2014Details
Shawano Lake - Southwest Bay (Herbicide Monitoring Site 4)10042089Map2014Details
Shawano Lake - W Basin Betw. Island & Outlet593153Map2016Details