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DNR Contacts for Grindstone Lake

Grindstone Lake Association [exit DNR]

Find A Lake > Sawyer County > Grindstone Lake

Grindstone Lake
Sawyer County, 3176 Acres


Grindstone Lake was monitored by volunteers between 1993 and 2008. 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 NameStation IDMapMax YearReports
Grindstone Lake - Deep Hole583065Map2015Details
Grindstone Lake - Northcentral583115Map1998Details
Grindstone Lake - Northeast583116Map1998Details
Grindstone Lake - SW Shore Nr Bog583114Map1998Details