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   The Minnesota Department of Natural Resources has confirmed the presence of zebra mussels in Little Boy Lake, near Longville in Cass County.  

   A Cass County invasive species specialist contacted the DNR after a zebra mussel was found on a settlement sampler (mndnr.gov/invasives/aquaticanimals/zebramussel/sampler.html) at the end of a private dock. Settlement samplers are solid surfaces placed in the water that people can regularly check for attached zebra mussels, to aid in detection.

   A Minnesota DNR invasive species specialist found a live zebra mussel attached to a native mussel during a follow-up search of Little Boy Lake.

   Whether or not a lake has any invasive species, Minnesota law requires people to:

  •  Clean watercraft, trailers and equipment to remove aquatic plants and prohibited invasive species.

  •  Drain all water and leave drain plugs out during transport.

  •  Dispose of unwanted bait in the trash.

  •  Never release bait, plants or aquarium pets into Minnesota waters.

  •  Dry docks, lifts and rafts for 21 days before moving them from one water body to another.

   These additional steps reduce the risk of spreading aquatic invasive species:

  •  Decontaminate watercraft and equipment – find free stations on the courtesy decontamination page of the DNR website (mndnr.gov/decon).

  •  Spray watercraft and equipment with high-pressure water or rinse with water if high-pressure water is not available.

  •  Dry watercraft and equipment for at least five days before using in another water body.

   People should contact a Minnesota DNR aquatic invasive species specialist (mndnr.gov/invasives/ais/contacts.html) if they think they have found zebra mussels or any other invasive species that was not already known to be in the water body.

   More information is available on the aquatic invasive species page of the DNR website (mndnr.gov/ais).

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