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Spirit River Flowage
Spirit River Flowage has been monitored by volunteers since 2007. 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 |
|---|
| Spirit Reservoir - Headwater above Dam | 10041547 | Map | 2019 | Details |
| Spirit River Flowage - Central Part Of Flowage | 10043846 | Map | 2015 | Details |
| Spirit River Flowage - Coffee Creek | 10043847 | Map | 2015 | Details |
| Spirit River Flowage - Deep Hole | 353195 | Map | 2023 | Details |