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Aquatic Invasive Species
Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
Aquatic Invasive Species Contacts

Eurasian Water-Milfoil

Select Another Location:

Total Locations: 25
Total Lakes and Rivers: 22 *

Disclaimer: Aquatic invasive species (AIS) records are assigned statuses of "verified", "observed", or "no longer observed" based on AIS Status Guidance. In general, "verified" populations are established and have been verified by a taxonomic expert. Populations with the "observed" status have not been verified by a taxonomic expert or do not have established populations. Populations with the "no longer observed" status include populations where a reproducing population did not establish. Our inventories are not necessarily exhaustive so it is important to report occurrences. To report new discoveries visit: http://dnr.wi.gov/topic/Invasives/report.html. See the Aquatic Invasive Species Guidance for information on how statuses are assigned. Personally identifiable information on data collection forms may be provided to requesters to the extent required by Wisconsin's Open Records Law [ss. 19.31-19.39, Wis. Stats.].

By Waterbody | By Species | By Year | Open In Excel
WaterbodySpeciesStatusWaterbody ID Code (WBIC)Year First FoundDetails
Bullhead LakeEurasian Water-MilfoilVerified and Vouchered683002005 Details
Carstens LakeHybrid Eurasian / Northern Water-MilfoilVerified668002012 Details
Carstens Lake (Carsten)Eurasian Water-MilfoilVerified and Vouchered668001993 Details
Cedar LakeEurasian Water-MilfoilVerified and Vouchered451001993 Details
EnglishHybrid Eurasian / Northern Water-MilfoilVerified681002011 Details
English LakeEurasian Water-MilfoilVerified and Vouchered681002009 Details
Harpt Lake (Herman)Eurasian Water-MilfoilVerified and Vouchered846001994 Details
Hartlaub LakeEurasian Water-MilfoilVerified672002009 Details
Hartlaub LakeHybrid Eurasian / Northern Water-MilfoilVerified672002011 Details
Horseshoe LakeEurasian Water-MilfoilVerified and Vouchered642001971 Details
Kiel MillpondEurasian Water-MilfoilVerified55601132014 Details
Lake MichiganEurasian Water-MilfoilVerified and Vouchered201978 Details
Little Pigeon LakeEurasian Water-MilfoilVerified and Vouchered638002009 Details
Long LakeEurasian Water-MilfoilVerified and Vouchered775002003 Details
Pigeon LakeEurasian Water-MilfoilVerified and Vouchered640001994 Details
Point CreekEurasian Water-MilfoilVerified 2017 Details
Rockville FlowageEurasian Water-MilfoilVerified and Vouchered584001994 Details
Sheboygan RiverEurasian Water-MilfoilVerified507001978 Details
Shoe LakeHybrid Eurasian / Northern Water-MilfoilVerified467002012 Details
Shoe LakeEurasian Water-MilfoilVerified and Vouchered467002012 Details
Silver LakeHybrid Eurasian / Northern Water-MilfoilVerified and Vouchered674002010 Details
Silver LakeEurasian Water-MilfoilVerified and Vouchered674002008 Details
Spring LakeEurasian Water-MilfoilVerified637002012 Details
Tuma Lake (Ording)Eurasian Water-MilfoilVerified and Vouchered879001993 Details
Wilke LakeEurasian Water-MilfoilVerified and Vouchered580001993 Details

* Total Lakes and Rivers = total unique Waterbody ID Codes (WBICs). If a waterbody, such as a small pond not in the DNR 24 K Hydrolayer, doesn't have a WBIC, it isn't currently counted in the total.

** Purple Loosestrife - DNR has only a partial list of locations. For more extensive data, visit the Great Lakes Indian and Fish Wildlife Commission (GLIFWC) website [exit DNR].

** Fish species - This web page only has a partial list of locations. For more extensive data, visit the Wisconsin Department of Natural Resources Map of Distribution of WI Fish Species [exit DNR].