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

Geneva Lake -- Williams Bay Access (Village of Williams Bay)

Location:

Geneva Lake has the following aquatic invasive species:
Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Quagga Mussel, Rusty Crayfish, Starry Stonewort, Yellow Iris, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
09/15/2025Lake DelavanWalworth County0Information Not Available
09/15/2025Lake DelavanWalworth County0Information Not Available
09/15/2025Lake comoWalworth County0Information Not Available
09/15/2025Twin LakesKenosha County0Information Not Available
09/15/2025Lake DelavanWalworth County0Information Not Available
09/14/2025Lake ComoWalworth County0Information Not Available
09/14/2025Lake ComoWalworth County0Information Not Available
09/14/2025Lake DelavanWalworth County0Information Not Available
09/14/2025Lake DelavanWalworth County0Information Not Available
09/13/2025Big Muskellunge LakeVilas County0Information Not Available
09/13/2025Lake DelavanWalworth County0Information Not Available
09/13/2025Lake ComoWalworth County0Information Not Available
09/12/2025Big LakeOneida County0Information Not Available
09/12/2025Fox lakex-Illinois0Information Not Available
09/12/2025Big LakeOneida County0Information Not Available
09/10/2025Lake ComoWalworth County0Information Not Available
09/10/2025Lake DelavanWalworth County0Information Not Available
09/09/2025Lauderdale LakesWalworth County0Information Not Available
09/09/2025Lake DelavanWalworth County0Information Not Available
09/08/2025Lake ComoWalworth County0Information Not Available
09/08/2025Lake DelavanWalworth County0Information Not Available
09/08/2025Lake DelavanWalworth County0Information Not Available
09/07/2025Powers LakeKenosha County0Information Not Available
09/07/2025Lake DelavanWalworth County0Information Not Available
09/06/2025Round Lakex-Illinois0Information Not Available
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