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Following is a list of dams and reservoirs in Iowa. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).
The National Inventory of Dams (NID) is a congressionally authorized database documenting dams in the United States and its territories. [1] It is maintained and published by the US Army Corps of Engineers. [1] It contains information about each dam's location, size, purpose, type, last inspection and regulatory facts. [1]
In 1846 the Iowa Legislature conceived a plan to build a lock and dam system along the Des Moines River to make it navigable from the Mississippi River to the city of Des Moines. These two locks and a third at Bentonsport , non extant, were the only locks of the 28 planned locks and dams that were completed. [ 2 ]
Lock and Dam No. 16 is a lock and dam located near Muscatine, Iowa on the Upper Mississippi River around river mile 457.2. The movable portion of the dam is 1,315 feet (400.8 m) long and consists of 4 roller gates and 15 Tainter gates .
Lock and Dam No. 10 is a lock and dam located in Guttenberg, Iowa on the Upper Mississippi River around river mile 615.0. It was constructed and placed in operation November 1937. The site underwent major rehabilitation 1989—2006. The dam consists of a concrete dam 763 feet (232.6 m) long with four roller gates and eight tainter gates.
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All reservoirs in Iowa should be included in this category. The main article for this category is List of dams and reservoirs in Iowa;
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