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Check for invasive species during dock, lift removal

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ST. PAUL — The Minnesota Department of Natural Resources reminds lake property owners to check boats, trailers, docks, boat lifts and all other water-related equipment for invasive species when removing equipment for seasonal storage.

Several new zebra mussel confirmations in recent years were initially reported by people removing docks, boats and boat lifts.

Minnesota law requires that docks and lifts remain out of the water for at least 21 days after removal from a waterbody before they can be placed into another body of water. In addition, anyone who transports a dock or lift from a shoreline property to another location for storage or repair may need a permit to help prevent the spread of aquatic invasive species.

The DNR recommends lake property owners:

  • Check posts, wheels and underwater support bars of docks and lifts, as well as any parts of boats, pontoons and rafts that may have been submerged in water for an extended period.

  • Hire DNR-permitted lake service provider businesses to remove boats, docks, lifts and other water-related equipment. They have been trained on Minnesota’s aquatic invasive species laws and have experience identifying and removing invasive species.

  • Contact an area DNR aquatic invasive species specialist if an invasive species is discovered in a waterbody that has not already been confirmed in that water.

More information is available at mndnr.gov/AIS.


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