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DNR Contacts for Half Moon Lake

Half Moon Lake P & R District [exit DNR]

Find A Lake > Polk County > Half Moon Lake

Half Moon Lake

Invasive Species

SpeciesStatusYear FoundDetails
Banded Mystery SnailVerified2003Details
Chinese Mystery SnailVerified and Vouchered2003Details
Curly-Leaf PondweedVerified and Vouchered2007Details
Eurasian Water-MilfoilVerified and Vouchered2021Details
Rusty CrayfishVerified2013Details

* 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: https://dnr.wisconsin.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.].