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

Three Lakes Waterfront Association Inc. [exit DNR]

Find A Lake > Oneida County > Fourmile Lake

Fourmile Lake
Oneida County, 210 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 64 (Eutrophic) and was determined using Secchi data. For a Two-Story lake, this is considered Poor.

Fourmile Lake has been monitored by volunteers since 1993. 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 Lake 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
Fourmile Lake - Deep Hole443098Map2019Details