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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
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DNR Contacts for Little Muskego Lake

Little Muskego Lake Association [exit DNR]

Little Muskego Lake P & R District [exit DNR]

Find A Lake > Waukesha County > Little Muskego Lake

Little Muskego Lake
Waukesha County, 470 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 49 (Mesotrophic) and was determined using satellite water clarity observations data. For a Deep Lowland lake, this is considered Good. Deep Lowland lakes stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Little Muskego Lake was monitored by volunteers between 1990 and 2005. 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 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
Little Muskego Lake - Deep Hole683127Map2019Details
Little Muskego Lake - East (Herbicide Monitoring Site A)10043596Map2015Details
Little Muskego Lake - North (Herbicide Monitoring Site 7)10043595Map2015Details
Little Muskego Lake - SW Bay (Herbicide Monitoring Site C)10043598Map2015Details
Little Muskego Lake - Southeast (Herbicide Monitoring Site B)10043597Map2015Details
Little Muskego Lake - West (Herbicide Monitoring Site 3)10043225Map2015Details
Little Muskego Lake - West (Herbicide Monitoring Site D)10043599Map2015Details
Little Muskego Lake North Bay10037943Map2013Details
Little Muskego Lake at Muskego WI683450Map2002Details