Lock and Dam No. 6

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Lock and Dam No. 6
Mississippi River Lock and Dam number 6.jpg
Mississippi River Lock and Dam number 6.
Lock and Dam No. 6 is located in Wisconsin
Lock and Dam No. 6
Location of Lock and Dam No. 6 in Wisconsin
LocationTrempealeau County, Wisconsin / Winona County, Minnesota, United States. Near Trempealeau, Wisconsin.
Coordinates43°59′59″N 91°26′18″W / 43.99972°N 91.43833°W / 43.99972; -91.43833Coordinates: 43°59′59″N 91°26′18″W / 43.99972°N 91.43833°W / 43.99972; -91.43833
Construction began1933; 89 years ago (1933)
Opening dateJune 1936; 86 years ago (1936)
Operator(s)United States Army Corps of Engineers logo.svg U.S. Army Corps of Engineers, St. Paul District
Dam and spillways
ImpoundsUpper Mississippi River
Length893 feet (272.2 m)(movable portion)
CreatesPool 6
Total capacity180,000 acre⋅ft (0.22 km3)
Catchment area60,030 sq mi (155,500 km2)

Lock and Dam No. 6 is a lock and dam located near Trempealeau, Wisconsin on the Upper Mississippi River near river mile 714.1. It was constructed and placed in operation in June 1936. The last major rehabilitation was from 1989 to 1999. The dam consists of 893 feet (272.2 m) long concrete structure with five roller gates and 10 tainter gates. Its earth embankment is 2,600 feet (792.5 m)long and the concrete overflow spillway is 1,000 feet (304.8 m) long. The lock is 110 feet (33.5 m) wide by 600 feet (182.9 m) long. The lock and dam are owned and operated by the St. Paul District of the United States Army Corps of Engineers-Mississippi Valley Division.

Lock and dam 6.jpeg

See also[edit]

View from downtown Trempealeau, Wisconsin


External links[edit]