Big Lake (Iowa)

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Big Lake
Big Lake - (EPA)
(EPA)
Location Allamakee County, Iowa
Lake type Reservoir
Primary inflows Upper Mississippi River
Primary outflows Upper Mississippi River
Basin countries United States

Big Lake the name given to an open section of water surrounded by marshy islands in Navigation Pool 9 of the Upper Mississippi River, where the states of Iowa, Minnesota and Wisconsin come together, just above the city of Lansing, Iowa. It is part of the Upper Mississippi River National Wildlife and Fish Refuge.

Aerial view looking north, January 14, 2001, with River at floodstage; the Black Hawk Bridge is visible; Big Lake is the open area in the upper part, click to enlarge (USGS, Upper Midwest Environmental Sciences Center)
Aerial view looking north, January 14, 2001, with River at floodstage; the Black Hawk Bridge is visible; Big Lake is the open area in the upper part, click to enlarge (USGS, Upper Midwest Environmental Sciences Center)

The Army Corps of Engineers maintains the lake's integrity as fish habitat.

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