Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
Clean Boats, Clean Waters Contacts

Hancock Lake -- Access

Location:

Hancock Lake has the following aquatic invasive species:
Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Rusty Crayfish
To Excel
DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
07/27/2020Bear LakeOneida County1527800Chinese Mystery Snail, Purple Loosestrife, Rusty Crayfish
09/23/2017Upper Buckatabon LakeVilas County1621800Banded Mystery Snail, Chinese Mystery Snail, Eurasian Water-Milfoil
09/23/2017Moen LakeOneida County1573800Chinese Mystery Snail, Rusty Crayfish
09/26/2015Oneida LakeOneida County1518200Chinese Mystery Snail, Eurasian Water-Milfoil, Rusty Crayfish
09/26/2015Oneida LakeOneida County1518200Chinese Mystery Snail, Eurasian Water-Milfoil, Rusty Crayfish
09/26/2015Big Bear LakeOneida County2705700 
05/25/2014Lake WausauMarathon County1437500Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Purple Loosestrife, Rusty Crayfish, Yellow Iris
06/19/2011Manson LakeOneida County1517200Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife
09/10/2010Horsehead LakeOneida County1588000Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil
09/10/2010Lake MohawksinLincoln County1515400Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Rusty Crayfish
09/10/2010Eagle River ChainVilas County0Information Not Available
05/30/2010Jersey City FlowageLincoln County1516000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Rusty Crayfish
05/30/2010Jersey City FlowageLincoln County1516000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Rusty Crayfish