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

Lake Poygan -- County Access

Location:

Lake Poygan has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Flowering Rush, Rusty Crayfish, Zebra Mussel
To Excel
DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
09/02/2023Chain of LakesWaupaca County0Information Not Available
05/29/2018Lake WinnebagoWinnebago County131100Asiatic Clam (Corbicula), Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Flowering Rush, Hybrid Eurasian / Northern Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Rusty Crayfish, Spiny Waterflea, Zebra Mussel
05/13/2018Lake PoyganWinnebago County242800Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Flowering Rush, Rusty Crayfish, Zebra Mussel
07/18/2014Sawyer Lake 0Information Not Available
06/26/2014Green LakeGreen Lake County146100Rusty Crayfish
08/18/2013Green LakeGreen Lake County146100Rusty Crayfish
05/14/2013Deer LakePolk County0Information Not Available
05/14/2013Lac La BelleWaukesha County848800Asiatic Clam (Corbicula)
05/14/2013Wolf RiverWaupaca County0Information Not Available
05/14/2013Lake Ontariox-Other Surrounding State0Information Not Available
07/14/2011Mill LakeWalworth County755600Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Spiny Naiad, Zebra Mussel
06/11/2011Green BayBrown County70Eurasian Water-Milfoil