DNR: Zebra mussels confirmed in McCarron Lake

Zebra mussels Photo: KSTP
Zebra mussels

Updated: August 22, 2019 02:30 PM

The Minnesota Department of Natural Resources said zebra mussels have been confirmed in McCarron Lake in Ramsey County.

The DNR said a person trained in invasive species found six zebra mussels near the public access, and additional zebra mussels were found north and south of the access attached to rocks and muskgrass.


Whether or not any invasive species has been confirmed in a lake or river, the DNR said Minnesota law requires boaters and anglers to:

  • Clean watercraft and trailers of aquatic plants and prohibited invasive species.
  • Drain all water by removing drain plugs and keeping them out during transport.
  • Dispose of unwanted bait in the trash.

To ensure invasive species are removed or killed, the DNR recommended taking one or more of the following precautions:

  • Spray with high-pressure water.
  • Rinse with very hot water (120 degrees for at least two minutes or 140 degrees for at least 10 seconds).
  • Dry for at least five days.

You can find more information here.

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