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

Cox Hollow Lake -- Access

Location:

Cox Hollow Lake has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
08/28/2025Twin Valley Lake Iowa County0Information Not Available
08/12/2025Victoria Lakex-Illinois0Information Not Available
08/12/2025Albany LakeGreen County0Information Not Available
08/12/2025Gibbs Lake Rock County0Information Not Available
08/12/2025Lake Superior x-Michigan0Information Not Available
08/01/2025Twin Valley Lake Iowa County0Information Not Available
07/31/2025Twin Valley Lake Iowa County0Information Not Available
07/26/2025Twin Valley Lake Sauk County0Information Not Available
07/17/2025Twin Valley Iowa County0Information Not Available
07/17/2025Mirror Lake Sauk County0Information Not Available
07/02/2025Twin Valley Lake Iowa County0Information Not Available
06/26/2025Lake Mendota Dane County0Information Not Available
06/12/2025Black Hawk Lake Iowa County0Information Not Available
06/05/2025Blackhawk Lake Iowa County0Information Not Available
06/05/2025Blackhawk Lake Iowa County0Information Not Available
06/05/2025Blackhawk LakeIowa County0Information Not Available
08/24/2024Mississippi River  0Information Not Available
08/18/2024Twin valley Iowa County0Information Not Available
08/18/2024Twin valley Iowa County0Information Not Available
08/18/2024Yellowstone lake Lafayette County0Information Not Available
08/11/2024Blackhawk lake Iowa County0Information Not Available
08/11/2024Blackhawk lake Iowa County0Information Not Available
07/14/2024Twin Valley LakeIowa County0Information Not Available
07/14/2024Galena Territory x-Illinois0Information Not Available
07/11/2024Twin Valley LakeIowa County0Information Not Available
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