Lock and Dam No. 6
 Mississippi River Lock and Dam number 6. | |
| Location | Richmond Township, Winona County, Minnesota / Trempealeau, Wisconsin, USA |
|---|---|
| Coordinates | 43°59′59″N 91°26′18″W / 43.99972°N 91.43833°WCoordinates: 43°59′59″N 91°26′18″W / 43.99972°N 91.43833°W |
| Construction began | 1933 |
| Opening date | June 1936 |
| Operator(s) | United States Army Corps of Engineers |
| Dam and spillways | |
| Impounds | Upper Mississippi River |
| Length | 893 feet (272.2 m)(movable portion) |
| Reservoir | |
| Creates | Pool 6 |
| Total capacity | 180,000 acre·ft (0.22 km3) |
| Catchment area | 60,030 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.
 View from downtown Trempealeau, Wisconsin |
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See also
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
- Survey number HAER WI-48 - Upper Mississippi River 9-Foot Channel, Lock & Dam No. 6, Trempealeau vicinity, Trempealeau County, WI
| Locks and dams of the Upper Mississippi River | ||
|---|---|---|
| Upstream: Lock and Dam No. 5A |
Downstream: Lock and Dam No. 7 | |
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