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

Lake Onalaska -- Upper French Island Spillway Landing

Location:

Lake Onalaska has the following aquatic invasive species:
Curly-Leaf Pondweed, Eurasian Water-Milfoil, Faucet Snail, Hybrid Eurasian / Northern Water-Milfoil, Purple Loosestrife, Water Hyacinth, Water Lettuce, Yellow Iris To Excel
DatePrior WaterbodyCountyWBICKnown Aquatic Invasive Species
07/24/2020Other Pool 8 LandingsLa Crosse County0Information Not Available
06/19/2016Trempeleau RiverTrempealeau County0Information Not Available