Lock and Dam No. 7

Lock and Dam No. 7

Lock and Dam No. 7 is a lock and dam located on the Upper Mississippi River at river mile 702.5 near the cities of La Crescent, Minnesota and Onalaska, Wisconsin. It forms pool 7 and Lake Onalaska. The facility was constructed in the mid-1930's and placed in operation on April, 1937. It underwent major rehabilitation from 1989 through 2002.

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Website

mvp.usace.army.mil

Phone

+1 (507) 895-2170

Location

Winona County Minnesota United States

Coordinates

43.86583415298166, -91.30944572389126
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