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

Green Lake -- Deacon Mills Park (Near Park Drive)

Location:

Green Lake has the following aquatic invasive species:
Rusty Crayfish To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
08/22/2025Lake PoyganWinnebago County0Information Not Available
08/17/2025Whitewater LakeWalworth County0Information Not Available
08/14/2025Fox LakeDodge County0Information Not Available
07/25/2025Pike LakeWashington County0Information Not Available
07/01/2025Lake WinneconneWinnebago County0Information Not Available
07/06/2024Lake MasonAdams County0Information Not Available
06/30/2024Lake WinnebagoWinnebago County0Information Not Available
06/24/2024Little Green LakeGreen Lake County0Information Not Available
06/21/2024Lake MendotaDane County0Information Not Available
06/17/2024Pentwell LakeAdams County0Information Not Available
06/16/2024Little Cedar LakeWashington County0Information Not Available
06/14/2024Fox RiverWinnebago County0Information Not Available
06/14/2024Petenwell LakeAdams County0Information Not Available
06/11/2024Little Lake Butte Des MortsWinnebago County0Information Not Available
06/07/2024Long Lake Fond du Lac County0Information Not Available
06/04/2024Mayson LakePortage County0Information Not Available
06/04/2024Poygan LakeWinnebago County0Information Not Available
05/30/2024Nagawicka LakeWaukesha County0Information Not Available
05/30/2024Fox LakeDodge County0Information Not Available
05/29/2024Fox LakeDodge County0Information Not Available
05/29/2024Johns LakeWaushara County0Information Not Available
05/27/2024Little Green LakeGreen Lake County0Information Not Available
05/27/2024Wisconsin RiverAdams County0Information Not Available
05/27/2024Owasso Lakex-Minnesota0Information Not Available
05/27/2024Petenwell LakeAshland County0Information Not Available
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