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

Lake Monona -- Olbrich Park Access

Location:

Lake Monona has the following aquatic invasive species:
Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
08/15/2021Lake MendotaDane County0Information Not Available
08/15/2021Lake MendotaDane County0Information Not Available
08/12/2017Lake KegonsaDane County802600Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Zebra Mussel
08/12/2017Lake ChippewaSawyer County2399700Chinese Mystery Snail, Eurasian Water-Milfoil, Purple Loosestrife
08/12/2017Pewaukee LakeWaukesha County772000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Starry Stonewort, Zebra Mussel
08/10/2017Rock LakeJefferson County830700Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Yellow Iris, Zebra Mussel
07/30/2017Lake MichiganMilwaukee County0Information Not Available
07/30/2017Lake KegonsaDane County802600Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Zebra Mussel
07/26/2017Blue Spring LakeJefferson County819800Banded Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil
07/26/2017Mississippi River 0Information Not Available
07/26/2017Pewaukee LakeWaukesha County772000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Starry Stonewort, Zebra Mussel
07/23/2017Turtle Flambeau FlowageIron County2294900Eurasian Water-Milfoil, Purple Loosestrife
07/23/2017Lake Du BayMarathon County1412200Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Purple Loosestrife, Rusty Crayfish
07/21/2017Pewaukee LakeWaukesha County772000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Starry Stonewort, Zebra Mussel
07/11/2017Wawang Lakex-Canada0Information Not Available
07/11/2017Lake MendotaDane County805400Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Water Lettuce, Zebra Mussel
07/09/2017Lake WinnebagoWinnebago County131100Chinese 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
07/07/2017Boulder LakeVilas County2338300Chinese Mystery Snail, Purple Loosestrife, Rusty Crayfish
07/07/2017Mississippi RiverTrempealeau County0Information Not Available
07/07/2017Pewaukee LakeWaukesha County772000Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Starry Stonewort, Zebra Mussel
07/07/2017Sturgeon BayDoor County88Curly-Leaf Pondweed, Eurasian Water-Milfoil, Phragmites (non-native), Purple Loosestrife, Spiny Waterflea, Starry Stonewort, Zebra Mussel
07/04/2017Tomahawk LakeOneida County1542700Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Rusty Crayfish, Yellow Iris
07/04/2017Lazy LakeDodge County0Information Not Available
07/04/2017Lake MendotaDane County805400Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Water Lettuce, Zebra Mussel
07/02/2017Lake MendotaDane County805400Curly-Leaf Pondweed, Eurasian Water-Milfoil, Spiny Waterflea, Water Lettuce, Zebra Mussel
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