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

Rock Lake -- Mill Pond Rock Lake Access

Location:

Unnamed has the following aquatic invasive species:
Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Yellow Iris To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
07/29/2023Lake RipleyJefferson County0Information Not Available
07/29/2023Lake Naga WaukeeWaukesha County0Information Not Available
07/23/2019Rock RiverJefferson County0Information Not Available
07/05/2019Lake MendotaDane County805400Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Spiny Waterflea, Water Lettuce, Zebra Mussel
06/26/2019Lake KoshkonongJefferson County808700Curly-Leaf Pondweed, Zebra Mussel
08/05/2018BASSWOODVilas County0Information Not Available
07/01/2018Rock LakeJefferson County830700Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Yellow Iris, Zebra Mussel
07/01/2018Lake MendotaDane County805400Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Spiny Waterflea, Water Lettuce, Zebra Mussel
06/23/2018Holden LakeWalworth County0Information Not Available
05/26/2018CRAWFISH RIVERJefferson County0Information Not Available
05/26/2018BEAVER DAM LAKEJuneau County0Information Not Available
08/25/2017Lake MendotaDane County805400Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Spiny Waterflea, Water Lettuce, Zebra Mussel
08/19/2017Pine LakeWaukesha County779200Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Zebra Mussel
07/28/2017Whitewater LakeWalworth County816800Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Yellow Iris, Zebra Mussel
07/23/2017Lake WinnebagoCalumet 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
06/17/2017ROCK RIVERJefferson County0Information Not Available
06/09/2017Lake KoshkonongJefferson County808700Curly-Leaf Pondweed, Zebra Mussel
05/28/2017Lake RipleyJefferson County809600Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Zebra Mussel
08/08/2016Lake WaubesaDane County803700Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Spiny Waterflea, Zebra Mussel
08/08/2016Lake MendotaDane County805400Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Japanese knotweed (Fallopia japonica), Spiny Waterflea, Water Lettuce, Zebra Mussel
08/08/2016Lake RipleyJefferson County809600Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Zebra Mussel
07/14/2016Lake RipleyJefferson County809600Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Zebra Mussel
07/14/2016Lake KoshkonongJefferson County808700Curly-Leaf Pondweed, Zebra Mussel
07/05/2016Lake WingraDane County805000Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Yellow Iris
07/05/2016Lake RipleyJefferson County809600Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Zebra Mussel
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