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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
DNR Contacts for Little Green Lake

Little Green Lake Improvement Association [exit DNR]

Little Green Lake P & R District [exit DNR]

Find A Lake > Green Lake County > Little Green Lake

Little Green Lake
Green Lake County, 462 Acres


Water Quality

One measure of a lakes health is the trophic state, which relates to the amount of algae in the water. The average summer trophic state for the last 5 years was 61 (Eutrophic) and was determined using Secchi data. For a Shallow Seepage lake, this is considered Fair. Shallow Seepage lakes do not stratify, or form separate layers of water, during the summer months and have no inlet or outlet.

Little Green Lake has been monitored by volunteers since 1986. 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. Little Green Lake is also part of DNR's long term trend monitoring project. Additional monitoring has been done through projects funded in part by DNR Lake 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
Little Green Lake - Central North10033993Map2000Details
Little Green Lake - Central South10033994Map2003Details
Little Green Lake - Central West10033995Map2000Details
Little Green Lake - Deep Hole (central east)243022Map2019Details
Little Green Lake - Kearley Bay10033613Map2014Details
Little Green Lake - LakeView Bay10033612Map2014Details
Little Green Lake - Muskie Bay10033610Map2014Details
Little Green Lake Kearlys Bay 210041123Map1997Details
Little Green Lake Kearlys Bay 310041124Map1997Details
Little Green Lake Kearlys Bay near northern shore10041122Map1997Details
Little Green Lake Northern Bay10041137Map1997Details
Little Green Lake Northern Bay10041136Map1997Details
Little Green Lake Site 1010041130Map1997Details
Little Green Lake Site 1110041131Map1997Details
Little Green Lake Site 610041127Map1997Details
Little Green Lake Site 810041128Map1997Details
Little Green Lake Site 910041129Map1997Details
Little Green Lake Southeastern Bay10041135Map1997Details
Little Green Lake Southeastern Bay by shore10041134Map1997Details
Little Green Lake Southwest Bay10041132Map1997Details
Little Green Lake Southwest Bay near Island10041133Map1997Details
Little Green Lake at Center Near Markesan WI243037Map2015Details
Little Green Lake edge of Kearlys Bay10041125Map1997Details
Little Green Lake edge of Northern Bay10041138Map1997Details
Little Green Lake near Kearlys Bay10041126Map1997Details
Little Green Lake near edge of Southeastern Bay10041139Map1997Details