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 -- Ferry Park Landing Access

Location:

Rock Lake has the following aquatic invasive species:
Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Yellow Iris, Zebra Mussel To Excel
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DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
09/21/2024Delavan Lake Walworth County0Information Not Available
07/30/2023MononaDane County0Information Not Available
07/30/2023Big Green Lake Green Lake County0Information Not Available
07/21/2023Lake MohawksinLincoln County0Information Not Available
06/04/2023Silver Lake Waukesha County0Information Not Available
05/29/2023koshkonongRock County0Information Not Available
05/28/2023Lake WisconsinColumbia County0Information Not Available
05/27/2023several, no names of water bodies provided.  0Information Not Available
07/23/2022Fox LakeDodge County0Information Not Available
09/12/2021NagawickaWaukesha County0Information Not Available
09/12/2021KoshkonongJefferson County0Information Not Available
08/02/2021Little Spring by PalmyraJefferson County0Information Not Available
08/02/2021lake MendotaDane County0Information Not Available
07/15/2021Lake WingraDane County0Information Not Available
07/13/2021Mendota, Monona, WabessaDane County0Information Not Available
07/07/2021Phantom LakeWaukesha County0Information Not Available
08/06/2019Buffalo LakeVilas County974200Chinese Mystery Snail, Purple Loosestrife
08/06/2019Escanaba LakeVilas County2339900 
08/06/2019Bittersweet LakeVilas County972100 
06/15/2019Echo LakeRacine County751400 
06/15/2019Buena LakeRacine County763500Eurasian Water-Milfoil
07/11/2018Lake KoshkonongRock County808700Curly-Leaf Pondweed, Zebra Mussel
07/11/2018Rock LakeJefferson County830700Banded Mystery Snail, Chinese Mystery Snail, Curly-Leaf Pondweed, Eurasian Water-Milfoil, Hybrid Eurasian / Northern Water-Milfoil, Yellow Iris, Zebra Mussel
07/03/2018Trout LakeOneida County2331600Banded Mystery Snail, Rusty Crayfish, Spiny Waterflea
06/29/2018Delton LakeSauk County1295400Curly-Leaf Pondweed, Eurasian Water-Milfoil, Purple Loosestrife, Zebra Mussel
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