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Pigeon Lake
Manitowoc County, 80 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 48 (Mesotrophic) and was determined using chlorophyll data. For a Deep Seepage lake, this is considered Good. Deep Seepage lakes stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

Pigeon Lake has been monitored by volunteers since 1994. 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
Pigeon Lake - Deepest Part363078Map2021Details
Pigeon Lake - NE Basin10047819Map2017Details
Pigeon Lake - Northeast End10039215Map2012Details
Pigeon Lake - Northwest Basin363359Map2017Details
Pigeon Lake - SW End of Lake10047820Map2017Details