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Round Lake
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 53 (Eutrophic) and was determined using chlorophyll data. For a Shallow Seepage lake, this is considered Good. Shallow Seepage lakes do not stratify, or form separate layers of water, during the summer months and have no inlet or outlet.
Round Lake was monitored by volunteers between 1986 and 2001. 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. Round Lake is also part of DNR's long term trend monitoring project. Reports and graphs featuring data collected by volunteers, DNR staff and others can be viewed below.
Water Quality Reports and Graphs
| Station Name | Station ID | Map | Max Year | Reports |
|---|
| Round Lake (Middle) - Round Lake (Middle) | 094011 | Map | 1979 | Details |
| Round Lake - Middle - Deep Hole | 093070 | Map | 2024 | Details |
| Round Lake Northeast Site | 10041753 | Map | 2022 | Details |
| Round Lake South Basin Site | 10041950 | Map | 1995 | Details |