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Helen Lake
Helen Lake was monitored by volunteers between 1997 and 2012. 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 Name | Station ID | Map | Max Year | Reports |
|---|
| Helen Lake - Deep Hole | 643485 | Map | 2012 | Details |
| Helen Lake - Helen Lake | 644022 | Map | 1979 | Details |