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Contact information
For information on Lakes in Wisconsin, contact:
Wisconsin DNR Lakes
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Aquatic Invasive Species Contacts

Water Lettuce - Lake Onalaska

Date First Found
Location First Found
The water hyacinth and water lettuce was discovered behind a private residence on Lake Onalaska. The owner had a water garden containing both water hyacinth and water lettuce. WDNR (and Federal) Wardens are investigating the issue.
Latitude and Longitude
43.942596, -91.325022
Original Extent
Many beds