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Thornapple Flowage
Monitoring has been done through projects funded in part by DNR 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 |
|---|
| Thornapple Flowage - Deep Hole | 553155 | Map | 2019 | Details |
| Thornapple Flowage 1000 ft above dam | 10041447 | Map | 1989 | Details |
| Thornapple Flowage lower end | 10031194 | Map | 2010 | Details |
| Thornapple Flowage middle area | 10031195 | Map | 2010 | Details |