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

Elkhart Lake Improvement Association [exit DNR]

Village Of Elkhart Lake [exit DNR]

Find A Lake > Sheboygan County > Elkhart Lake

Elkhart Lake
Sheboygan County, 292 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 41 (Mesotrophic) and was determined using chlorophyll data. For a Two-Story lake, this is considered Excellent.

Elkhart Lake has been monitored by volunteers since 1992. 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. Elkhart 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
Big Elkhart Lake - Deep Hole10012226Map2009Details
Elkhart Lake10014825Map2016Details
Elkhart Lake - Deep Hole603458Map2019Details