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 Winnebago -- Brothertown Harbor Off Cty H

Location:

Lake Winnebago has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Flowering Rush, Hybrid Eurasian / Northern Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Rusty Crayfish, Spiny Waterflea, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
09/14/2023Bullhead LakeManitowoc County0Information Not Available
08/04/2023Lake Michigan Manitowoc County0Information Not Available
08/04/2023Sand LakeBarron County0Information Not Available
06/17/2023Cedar LakeManitowoc County0Information Not Available
06/17/2023Willow FlowageOneida County0Information Not Available
06/17/2023Lake MichiganSheboygan County0Information Not Available
09/05/2022Lake Michiganx-Michigan0Information Not Available
08/07/2021Lake PoyganWinnebago County0Information Not Available
07/17/2021Lake Butte des MortsWinnebago County0Information Not Available
07/17/2021Lake PoyganWinnebago County0Information Not Available
07/17/2021Lake MichiganManitowoc County0Information Not Available
07/10/2021Lake PoyganWinnebago County0Information Not Available
07/10/2021Little Lake Butte Des MortsWinnebago County0Information Not Available
07/02/2021Lake WinneconneWinnebago County0Information Not Available
08/30/2020Lake ChippewaChippewa County0Information Not Available
07/31/2020Little Cedar LakeWashington County25100Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Spiny Naiad, Starry Stonewort, Yellow Iris, Zebra Mussel
07/02/2020Archibald LakeOconto County417400Banded Mystery Snail, Eurasian Water-Milfoil, Flowering Rush, Phragmites (non-native), Zebra Mussel
07/02/2020Wheeler LakeOconto County0Information Not Available
07/02/2020John LakeOconto County0Information Not Available
08/19/2018Lake MichiganKewaunee County0Information Not Available
07/03/2018Elkhart LakeFond du Lac County59300Curly-Leaf Pondweed, Eurasian Water-Milfoil, Ornamental water lilies (non-native Nymphaea sp.), Yellow Iris, Zebra Mussel
07/03/2018Eagle Lake x-Canada0Information Not Available
06/03/2018Oconomowoc LakeWaukesha County849600Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Zebra Mussel
05/25/2018Lake Michigan Milwaukee County0Information Not Available
08/06/2017Lake AliceLincoln County1555900Curly-Leaf Pondweed, Eurasian Water-Milfoil, Rusty Crayfish
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