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Lock and Dam No. 5A

Coordinates: 44°05′06″N 91°40′25″W / 44.085119°N 91.673698°W / 44.085119; -91.673698
From Wikipedia, the free encyclopedia
Lock and Dam No. 5A
Lock and Dam 5A, Upper Mississippi River.
Lock and Dam No. 5A is located in Wisconsin
Lock and Dam No. 5A
Location of Lock and Dam No. 5A in Wisconsin
LocationBuffalo County, Wisconsin / Winona County, Minnesota, United States. Near Fountain City, Wisconsin.
Coordinates44°05′06″N 91°40′25″W / 44.085119°N 91.673698°W / 44.085119; -91.673698
Construction began1932; 92 years ago (1932)
Opening dateJune 1936; 88 years ago (1936)
Operator(s) U.S. Army Corps of Engineers, St. Paul District
Dam and spillways
ImpoundsUpper Mississippi River
Length682 feet (207.9 m)(movable portion)
Reservoir
CreatesPool 5A
Total capacity39,600 acre⋅ft (0.0488 km3)
Catchment area59,105 sq mi (153,080 km2)

Lock and Dam No. 5A is a lock and dam located near Fountain City, Wisconsin and Goodview, Minnesota on the Upper Mississippi River around river mile 728.5.

Construction

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It was constructed in 1932, placed in operation in 1936. Its last major rehabilitation was from 1989 through 2000.

Description

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The dam consists of a concrete structure 682 feet (207.9 m) long with five roller gates and five tainter gates with an earth embankment 22,000 feet (6,705.6 m) long. Its concrete overflow spillway is 1,000 feet (304.8 m) long and its lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long.

Ownership

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The lock and dam are owned and operated by the St. Paul District of the United States Army Corps of Engineers-Mississippi Valley Division.

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Lock and Dam No. 5A
https://web.archive.org/web/20161226221158/http://www.mvr.usace.army.mil/Portals/48/docs/CC/FactSheets/MISS/UMR%20Locks%20%26%20Dams%20-%202016%20%28MVD%29.pdf
Lock & dam 5A by Winona
Lock & dam 5A spillway

See also

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References

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