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
08/09/2026St Louis Riverx-Minnesota0Information Not Available
08/09/2026Lake SuperiorBayfield County0Information Not Available
08/08/2026Perch LakeBayfield County0Information Not Available
08/08/2026Lake SuperiorAshland County0Information Not Available
08/08/2026Lake OwenBayfield County0Information Not Available
08/08/2026Island LakeBayfield County0Information Not Available
08/07/2026Long LakeBayfield County0Information Not Available
08/02/2026Lake SuperiorAshland County0Information Not Available
08/01/2026Lake Galilee Ashland County0Information Not Available
07/26/2026Lake SuperiorBayfield County0Information Not Available
07/26/2026Lake NebagamonDouglas County0Information Not Available
07/25/2026Lake NamekagonBayfield County0Information Not Available
07/25/2026Perch LakeBayfield County0Information Not Available
07/25/2026Bass LakeBayfield County0Information Not Available
07/24/2026Star LakeBayfield County0Information Not Available
07/23/2026Moon LakeBayfield County0Information Not Available
07/23/2026Long LakeBayfield County0Information Not Available
07/23/2026Lake OwenBayfield County0Information Not Available
07/19/2026Chequamegon BayBayfield County0Information Not Available
07/19/2026Brown LakeBayfield County0Information Not Available
07/19/2026Minong FlowageWashburn County0Information Not Available
07/19/2026Elsie LakeVilas County0Information Not Available
07/19/2026Lake OwenBayfield County0Information Not Available
07/19/2026Chequamegon BayAshland County0Information Not Available
07/18/2026Lake SuperiorAshland County0Information Not Available
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