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Lake St. Croix Photo

Lake St. Croix Photo
Photo by WDNR



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For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
Division of Water
Bureau of Water Quality
DNR Contacts for Lake Saint Croix

Find A Lake > Pierce County > Lake Saint Croix

Lake Saint Croix
Pierce, Saint Croix County, 7696 Acres

Invasive Species

SpeciesStatusYear FoundDetails
Asiatic Clam (Corbicula)Verified and Vouchered2013Details
Bighead CarpVerified2014Details
Bighead CarpVerified1996Details
Eurasian Water-MilfoilVerified2010Details
Rusty CrayfishVerified2010Details
Zebra MusselVerified2000Details

* About Invasive Species: 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.].