The Minnesota Department of Natural Resources (DNR) regularly updates the “infested waters list,” which includes Minnesota lakes and rivers with certain aquatic invasive species.
The following lakes in Cook County have been identified as being infested with spiny waterfleas: Caribou Lake in the BWCAW just east of Pine Lake, Devil Track, Devilfish, Flour, Greenwood, Gunflint, Little John, McFarland, North Fowl, Pigeon River downstream of South Fowl Lake, Trout, Pine, South Fowl, Saganaga, and the Royal River between Little John and North Fowl.
Lake Superior (for Cook, Lake and St Louis County) has the following aquatic invasive species: New Zealand mud snail, faucet snail, round goby, spiny water flea, zebra muscle, white perch, ruffe, and viral hemorrhagic septicemia (VHS) a deadly fish virus and an invasive species that since 2003 has been threatening fish in the Great Lakes.
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