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

Cedar Lake Improvement Association [exit DNR]

Town Of Schleswig Sanitary Distric No. 1 [exit DNR]

Find A Lake > Manitowoc County > Cedar Lake

Cedar Lake
Manitowoc County, 136 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 Shallow Seepage lake, this is considered Excellent. Shallow Seepage lakes do not stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

Cedar Lake has been monitored by volunteers since 1999. 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
Cedar Lake - Deep Hole363120Map2015Details
Cedar Lake - SE Bay10051978Map2018Details