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Lake Pepin Ice Measurements

The ice on Lake Pepin continues to melt, bringing the date when navigation opens on the Mississippi River closer.

U.S. Army Corps of Engineers, St. Paul District survey team took ice thickness measurements Wednesday.

The thickest ice is 20-22 inches between river miles 767 and 773, between the foot of Lake Pepin and Lake City. The thinnest, 12 inches, was measured between river miles 774 and 777.

Historically the average date in which navigation opens occurs during the third week of March.

The next ice measurement will be Wednesday, March 23rd.

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