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DNR Contacts for Lower Turtle Lake

Lower Turtle Lake Management District

Find A Lake > Barron County > Lower Turtle Lake

Lower Turtle Lake
Barron County, 286 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 70 (Eutrophic) and was determined using chlorophyll data. For a Shallow Lowland lake, this is considered Fair. 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.

Lower Turtle 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 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
Lower Turtle Lake - Middle-Deep Hole033161Map2021Details
Lower Turtle Lake - Near Inlet033173Map1997Details
Lower Turtle Lake - Near Outlet033174Map1997Details
Lower Turtle Lake - South Basin Lower10030726Map2015Details