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Water Based Invasive Species


Infested Waters: Below is a list and map from the MN DNR of infested waters, including only infested waters on the FDL Reservation, 1854, and 1837 Ceded Territories. The highlighted water bodies are those added to the list by the FDL invasive species program, focusing mostly on lakes on the Reservation. This list was last updated August 20, 2021. A full list can be found on the MN DNR’s website by clicking here.
Infested Waters List
Infested Waters Map

Decon 101: Below is a snapshot version of what you can do to decontaminate your aquatic (and terrestrial) equipment and prevent the spread of invasive species.
Decon 101

Chinese Mystery Snail Identification: Currently, Chinese mystery snail has been the most prevalent aquatic invasive species found on the FDL Reservation. The invasive species program is working to determine behavior and unknown impacts of mystery snail, as well as how to prevent these from spreading to other lakes in the area through removal and decontamination. For information from Sea Grant Minnesota, on identification of the mystery snail please click here.
ChineseMystery Snail ID Information

Rusty Crayfish Impacts to Wild Rice: One of the main aquatic invasive species of concern to FDL is rusty crayfish due to their extremely detrimental impacts to wild rice. A report published by the 1854 Treaty Authority, and authored by the FDL invasive species coordinator, outlines the impacts of rusty crayfish on wild rice and why early detection is critical in their control and prevention of spread.
Rusty Crayfish Report