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 Mendota -- Warner Park

Location:

Lake Mendota has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Rusty Crayfish, Spiny Waterflea, Water Lettuce, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
06/03/2025Lake KegonsaDane County0Information Not Available
05/28/2025Green BayBrown County0Information Not Available
05/24/2025Lake WaubesaDane County0Information Not Available
05/24/2025Rock RiverRock County0Information Not Available
05/24/2025Lake WisconsinSauk County0Information Not Available
08/29/2024Lake MononaDane County0Information Not Available
08/29/2024Lake WaubesaDane County0Information Not Available
08/29/2024Lake MononaDane County0Information Not Available
08/29/2024Lake KegonsaDane County0Information Not Available
08/28/2024Lake MononaDane County0Information Not Available
08/28/2024Lake WaubesaDane County0Information Not Available
08/26/2024Lake KegonsaDane County0Information Not Available
08/25/2024Monona Dane County0Information Not Available
08/21/2024Mendota Dane County0Information Not Available
08/19/2024Lake WinnebagoWinnebago County0Information Not Available
08/19/2024Big Green LakeGreen Lake County0Information Not Available
08/14/2024Lake KegonsaDane County0Information Not Available
08/14/2024Sturgeon BayDoor County0Information Not Available
08/14/2024Mississippi RiverGrant County0Information Not Available
08/14/2024Lake KegonsaDane County0Information Not Available
08/14/2024Lake WaubesaDane County0Information Not Available
08/14/2024Lake MononaDane County0Information Not Available
08/14/2024Lake WaubesaDane County0Information Not Available
08/14/2024Lake MononaDane County0Information Not Available
08/13/2024Lake MononaDane County0Information Not Available
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