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Friendship Lake, Adams County

Friendship Lake, Adams County
Photo by Reesa Evans

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

Friendship Lake District [exit DNR]

Find A Lake > Adams County > Friendship Lake

Friendship Lake
Adams County, 125 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 39 (Oligotrophic) and was determined using chlorophyll data. For a Reservoir lake, this is considered Excellent.

Friendship Lake has been monitored by volunteers since 1994. 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
Friendship Lake - Max Depth013018Map2021Details
Friendship Lake - Near 11th Ave (Site #2)10040760Map2021Details