Opening date June 1936 Opened June 1936 Construction began 1933 | Creates Pool 6 Catchment area 155,477 km² Impound Upper Mississippi River | |
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Location Richmond Township, Winona County, Minnesota / Trempealeau, Wisconsin, USA Impounds Upper Mississippi River Length 893 feet (272.2 m)(movable portion) Total capacity 180,000 acre·ft (0.22 km) Operator United States Army Corps of Engineers Similar Lock and Dam No 5, Lock and Dam No 5A, Lock and Dam No 7, Lock and Dam No 3, Lock and Dam No 4 | ||
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.
Map of Lock and Dam No. 6, Richmond Township, MN 55987, USA
References
Lock and Dam No. 6 Wikipedia(Text) CC BY-SA