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

Freshwater Jellyfish

Select Another Location:

Total Locations: 96
Total Lakes and Rivers: 102 *

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: 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 County | By Waterbody | By Species | By Year | Open In Excel
Page 1 of 4
WaterbodyStatusWaterbody ID Code (WBIC)CountyYear First FoundDetails
Anna LakeVerified587400Florence  Details
Antler Lake Verified2449400Polk2019 Details
Arbutus LakeVerified181400Forest  Details
Ashegon LakeVerified2448800Sawyer2010 Details
Augustine Lake Verified2410400Ashland  Details
Berry LakeVerified418300Menominee, Oconto2010 Details
Big Green LakeVerified146100Green Lake  Details
Big Kitten LakeVerified2336700Vilas2010 Details
Big Sandy LakeVerified1649300Monroe  Details
Birch Island LakeVerified2453500Burnett2016 Details
Blacksmith Lake (Legend Lake Chain)Verified340500Menominee  Details
Breakfast LakeVerified2454800Bayfield2012 Details
Clear LakeVerified977500Oneida  Details
Clear LakeVerified1841300Sawyer2010 Details
Clear LakeVerified2457600Burnett2008 Details
Crooked LakeVerified2459100Burnett2016 Details
Crystal LakeVerified2459700Douglas  Details
Devils LakeVerified980900Sauk  Details
Fox LakeVerified835800Dodge  Details
Franklin LakeVerified692900Forest2015 Details
Garvin LakeVerified850700Waukesha2010 Details
George LakeVerified2465700Bayfield2011 Details
Gooseneck LakeVerified186700Waupaca2016 Details
Halfmoon LakeVerified2125400Eau Claire  Details
Horseshoe LakeVerified5003226Washburn  Details
Johnson Falls FlowageVerified and Vouchered533300Marinette2015 Details
Johnson LakeVerified2471600Burnett  Details
Killarney LakeVerified1520900Oneida  Details
Lac La BelleVerified848800Waukesha  Details
Lac Vieux DesertVerified1631900Vilas  Details
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* 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].