St. Paul Approximately 250 Minnesota lakes with public accesses will have aeration systems operating on them this winter. Special caution should be used when angling on these aerated lakes, says Marilyn Danks, of the DNR.

Open-water areas can be created by aeration systems, and they’re
subject to shifting or changing in shape, she says.

Aeration systems help prevent fish winterkill by adding oxygen
to the water. The majority of aeration systems are located in
counties in southern and western Minnesota. For more information on
which lakes have operating aerators, see the DNR’s web site at
www.dnr.state.mn.us, or call the DNR at 1-888-646-6367.

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