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DNR Contacts for Stone Lake

Shoreowners Of Stone Lake [exit DNR]

Find A Lake > Washburn County > Stone Lake

Stone Lake
Washburn County, 490 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 35 (Oligotrophic) and was determined using chlorophyll data. For a Deep Seepage lake, this is considered Excellent. Deep Seepage lakes stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

Stone Lake has been monitored by volunteers since 1987. 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. 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 and Little Stone Lake10053117Map2015Details
Little Stone Lake - Little Stone Lake664019Map1979Details
Stone Lake - Deep Hole663106Map1998Details
Stone Lake - Deep Hole663051Map2021Details