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

Twin Bear Lake -- Twin Bear County Park

Location:

Twin Bear Lake has the following aquatic invasive species:
Chinese Mystery Snail, Eurasian Water-Milfoil, Rusty Crayfish To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
06/22/2025DeltaBayfield County0Information Not Available
06/21/2025Big ChipBayfield County0Information Not Available
06/15/2025amnicon riverDouglas County0Information Not Available
06/15/2025deltaBayfield County0Information Not Available
06/14/2025Upper Eau ClaireBayfield County0Information Not Available
06/07/2025NebagamonBayfield County0Information Not Available
06/07/2025roundPierce County0Information Not Available
06/01/2025superiorAshland County0Information Not Available
06/01/2025DeltaCrawford County0Information Not Available
06/01/2025superiorAshland County0Information Not Available
05/31/2025upper eau clareBayfield County0Information Not Available
05/31/2025AmeekBayfield County0Information Not Available
05/31/2025owenBayfield County0Information Not Available
05/31/2025round lkBayfield County0Information Not Available
05/30/2025longBayfield County0Information Not Available
05/26/2025SuperiorBayfield County0Information Not Available
05/25/2025superiorBayfield County0Information Not Available
05/18/2025deltaBayfield County0Information Not Available
05/11/2025perchBayfield County0Information Not Available
05/10/2025owenBayfield County0Information Not Available
05/03/2025Lake DeltaBayfield County0Information Not Available
10/05/2024middle eau claireBayfield County0Information Not Available
09/29/2024roundBayfield County0Information Not Available
09/21/2024fox riverx-Minnesota0Information Not Available
09/21/2024superiorAshland County0Information Not Available
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