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

Bear Lake -- Access at NE Side Of Lake at End Of S Fork Rd

Location:

Bear Lake has the following aquatic invasive species:
Chinese Mystery Snail, Purple Loosestrife, Rusty Crayfish, Yellow Iris To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
09/02/2025Mud LakeMarathon County0Information Not Available
08/31/2025Lake KatherineOneida County0Information Not Available
08/27/2025Lake KatherineOneida County0Information Not Available
08/07/2025East HorseheadOneida County0Information Not Available
07/29/2025Big Bass LakeMarathon County0Information Not Available
07/24/2025BolgerOneida County0Information Not Available
07/20/2025Willow FlowageOneida County0Information Not Available
07/14/2025Big Bass LakeMarathon County0Information Not Available
07/07/2025Lake WisconsinColumbia County0Information Not Available
07/01/2025Carrol LakeOneida County0Information Not Available
07/01/2025Madeline LakeOneida County0Information Not Available
07/01/2025Rainbow FlowageOneida County0Information Not Available
06/29/2025UNKNOWNOconto County0Information Not Available
06/22/2025Minocqua LakeOneida County0Information Not Available
06/19/2025Mud LakeMarathon County0Information Not Available
06/18/2025Willow FlowageOneida County0Information Not Available
06/18/2025Many 0Information Not Available
08/28/2024KatherineOneida County0Information Not Available
08/28/2024KatherineOneida County0Information Not Available
08/27/2024MedicineOneida County0Information Not Available
08/27/2024MedicineOneida County0Information Not Available
08/02/2024Mud LakeMarathon County0Information Not Available
06/18/2024Lower KaubashineOneida County0Information Not Available
05/06/2024NikomisOneida County0Information Not Available
05/06/2024Jersey City FlowageOneida County0Information Not Available
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