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DNR Contacts for Little Martha Lake

Find A Lake > Iron County > Little Martha Lake

Little Martha Lake


Little Martha Lake has been monitored by volunteers since 2023. 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
Little Martha Lake - Deepest Spot264011Map2023Details