Aquatic Invasive Species
Contact information
For information on Lakes in Wisconsin, contact:
DNR Lake
Division of Water
Bureau of Water Quality
Clean Boats, Clean Waters Contacts

Lake Michigan -- South Shore Milwaukee

Location:

Lake Michigan has the following aquatic invasive species:
Eurasian Water-Milfoil, Round Goby, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
08/08/2025Burlington Lake (Could be Browns?)Racine County0Information Not Available
08/08/2025Little Muskego LakeWaukesha County0Information Not Available
08/08/2025Wind LakeRacine County0Information Not Available
08/03/2025Pewaukee LakeWaukesha County0Information Not Available
08/03/2025Big MuskegoWaukesha County0Information Not Available
08/03/2025Phantom LakeWaukesha County0Information Not Available
08/03/2025Nagawicka LakeWaukesha County0Information Not Available
08/03/2025Geneva LakeWalworth County0Information Not Available
08/03/2025Lake WinnebagoWinnebago County0Information Not Available
08/03/2025Nagawicka LakeWaukesha County0Information Not Available
08/03/2025Pewaukee LakeWaukesha County0Information Not Available
08/03/2025Geneva LakeWalworth County0Information Not Available
08/03/2025Lower Phantom LakeWaukesha County0Information Not Available
08/03/2025Lower Phantom LakeWaukesha County0Information Not Available
08/03/2025Nagawicka LakeWaukesha County0Information Not Available
08/03/2025Lake WinnebagoWinnebago County0Information Not Available
08/03/2025Pewaukee LakeWaukesha County0Information Not Available
08/03/2025Big Muskego LakeWaukesha County0Information Not Available
08/03/2025Geneva LakeWalworth County0Information Not Available
08/03/2025Lake WinnebagoWinnebago County0Information Not Available
08/03/2025Big Muskego LakeWaukesha County0Information Not Available
07/12/2025Pewaukee LakeWaukesha County0Information Not Available
08/14/2021Lake MichiganMilwaukee County0Information Not Available
08/14/2021Lake MichiganMilwaukee County0Information Not Available
06/17/2018Little Cedar LakeWashington County25100Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Spiny Naiad, Starry Stonewort, Yellow Iris, Zebra Mussel
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