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DNR Contacts for Black Oak Lake

Find A Lake > Langlade County > Black Oak Lake

Black Oak Lake


Black Oak Lake was monitored by volunteers between 2021 and 2022. 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. 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
Black Oak Lake - Deep Hole343036Map2022Details