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Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality

Secchi, Temperature and Dissolved Oxygen

Volunteers, DNR staff, county staff and others collect water clarity, temperature and dissolved oxygen, as well as other water quality data, on lakes across Wisconsin. Over 1,000 volunteers are currently active, and the network has been going strong since 1986.

Forms

Protocols

Reporting Your Data

Finding Data