Lock and Dam No. 6

43°59′59″N 91°26′18″W / 43.99972°N 91.43833°W / 43.99972; -91.43833Construction began1933; 91 years ago (1933)Opening dateJune 1936; 88 years ago (1936)Operator(s) U.S. Army Corps of Engineers, St. Paul DistrictDam and spillwaysImpoundsUpper Mississippi RiverLength893 feet (272.2 m)(movable portion)ReservoirCreatesPool 6Total 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.

Gallery

See also

• Public Works Administration dams list
• Upper Mississippi River National Wildlife and Fish Refuge

References

External links

• U.S. Army Corps of Engineers, St. Paul District: Lock and Dam 6
• U.S. Army Corps of Engineers, St. Paul District: Lock and Dam 6 brochure
• Historic American Engineering Record (HAER) No. WI-48, "Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau, Trempealeau County, WI", 79 photos, 9 data pages, 5 photo caption pages