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

Eagle River Chain Lakes Association [exit DNR]

Find A Lake > Vilas County > Eagle Lake

Eagle Lake
Vilas County, 575 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 58 (Eutrophic) and was determined using satellite water clarity observations data. For a Deep Lowland lake, this is considered Fair. Deep Lowland lakes stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Eagle Lake was monitored by volunteers between 1993 and 2016. 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
Eagle Lake (Mid)10028815Map2008Details
Eagle Lake - Deep Hole643178Map2016Details
Eagle Lake - Deep Hole643060Map1979Details
Eagle Lake South Shore Littoral Zone (D 08ta)10028816Map2008Details