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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: 95
Total Lakes and Rivers: 101 *

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 County | By Waterbody | By Species | By Year | Open In Excel
Page 1 of 5
WaterbodyStatusWaterbody ID Code (WBIC)Year First FoundDetails
Ashland County (1)
Augustine Lake Verified2410400  Details
Barron County (3)
Loon LakeVerified2478600  Details
Rice Lake (Barron Co)Verified21039002014 Details
Silver LakeVerified1881100  Details
Bayfield County (5)
Breakfast LakeVerified24548002012 Details
George LakeVerified24657002011 Details
Pigeon LakeVerified2489400  Details
Spider LakeVerified2876200  Details
Star LakeVerified28984002011 Details
Burnett County (9)
Birch Island LakeVerified24535002016 Details
Clear LakeVerified24576002008 Details
Crooked LakeVerified24591002016 Details
Johnson LakeVerified2471600  Details
No Mans LakeVerified24863002019 Details
Pine LakeVerified2490200  Details
Prinel Lake (Frog)Verified2491500  Details
Viola LakeVerified25986002007 Details
Warner LakeVerified2677200  Details
Dane County (2)
Lake MendotaVerified805400  Details
Wingra Marsh duck pondVerified5575371  Details
Dodge County (1)
Fox LakeVerified835800  Details
Douglas County (2)
Crystal LakeVerified2459700  Details
Red LakeVerified24921002010 Details
Page 1 of 5

* 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].