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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
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Bureau of Water Quality
DNR Contacts for Big Muskego Lake

Big Muskego Lake/Bass Bay P & R District [exit DNR]

Find A Lake > Waukesha County > Big Muskego Lake

Big Muskego Lake
Waukesha County, 2194 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 satellite water clarity observations data. For a Shallow Lowland lake, this is considered Good. Shallow Lowland lakes do not stratify, or form separate layers of water, during the summer months and have watersheds greater than 4 square miles in area.

Big Muskego Lake was monitored by volunteers between 1991 and 1998. 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
Big Muskego Lake - Boxhorn's Launch [Herbicide Monitoring Site C16]10045051Map2016Details
Big Muskego Lake - Boxhorn's Launch [Herbicide Monitoring Site C17]10045049Map2016Details
Big Muskego Lake - Boxhorn's Launch [Herbicide Monitoring Site C22]10045052Map2016Details
Big Muskego Lake - Boxhorn's Launch [Herbicide Monitoring Site C23]10045050Map2016Details
Big Muskego Lake - Boxhorn's Launch [Herbicide Monitoring Site C29]10045053Map2016Details
Big Muskego Lake - Deep Hole683354Map2003Details
Big Muskego Lake - Durham Launch [Herbicide Monitoring Site B2]10045044Map2016Details
Big Muskego Lake - Durham Launch [Herbicide Monitoring Site B3]10045045Map2016Details
Big Muskego Lake - Durham Launch [Herbicide Monitoring Site B4]10045046Map2016Details
Big Muskego Lake - Durham Launch [Herbicide Monitoring Site B5]10045047Map2016Details
Big Muskego Lake - Durham Launch [Herbicide Monitoring Site B6]10045048Map2016Details
Big Muskego Lake - Hunter's Nest [Herbicide Monitoring Site A2]10045039Map2016Details
Big Muskego Lake - Hunter's Nest [Herbicide Monitoring Site A3]10045040Map2016Details
Big Muskego Lake - Hunter's Nest [Herbicide Monitoring Site A5]10045041Map2016Details
Big Muskego Lake - Hunter's Nest [Herbicide Monitoring Site A6]10045042Map2016Details
Big Muskego Lake - Hunter's Nest [Herbicide Monitoring Site A7]10045043Map2016Details
Big Muskego Lake - Limno No1683346Map1994Details
Big Muskego Lake - Limno No2683347Map1994Details
Big Muskego Lake - Limno No3683348Map1994Details
Big Muskego Lake - Limno No4683349Map1994Details
Big Muskego Lake - Limno No5683350Map1994Details
Big Muskego Lake - Limno No6683351Map1994Details
Big Muskego Lake - Limno No7683352Map1994Details
Big Muskego Lake - Limno No8683353Map1994Details
Big Muskego Lake - Sediment Core 01 Ne Corner Of Lake Basin683355Map1994Details
Big Muskego Lake - Sediment Core 05 Center E Of Large Island683359Map1994Details
Big Muskego Lake - Sediment Core 06 Wc Limno Area683360Map1994Details
Big Muskego Lake - Sediment Core 09 Se Heinrich'S- E Of Tern Island683363Map1994Details
Big Muskego Lake - Sediment Core 10 Sw Corner Of Lake Basin683364Map1994Details
Big Muskego Lake - South Site683309Map2002Details
Muskego (Big Muskego) Lake - Outlet Near Wind Lake643555Map2020Details
SW Outbranch of Big Muskego Lake near 5577228 10050788Map2010Details