Find A Lake > Washburn County > Birch Lake
Birch Lake
Birch Lake was monitored by volunteers between 1995 and 2020. 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. 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 Name | Station ID | Map | Max Year | Reports |
|---|
| Birch Lake - Deep Hole | 583094 | Map | 2020 | Details |
| Birch Lake at CTY F Bridge | 10048295 | Map | 2020 | Details |