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

Lost Lake Community Club Inc. [exit DNR]

Find A Lake > Vilas County > Lost Lake

Lost Lake
Vilas County, 539 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 56 (Eutrophic) and was determined using satellite water clarity observations data. For a Shallow Lowland lake, this is considered Good. Shallow Lowland lakes do not stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Lost Lake was monitored by volunteers between 1993 and 2017. 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 and 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
Lost Lake - Deep Hole643081Map2019Details
Lost Lake - Herbicide monitoring site L210048321Map2019Details
Lost Lake - Herbicide monitoring site L310048322Map2017Details
Lost Lake - Herbicide monitoring site L410048323Map2019Details