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The flood, rather than being a short term event, was anticipated to last from June through August 2011 as a result of attempts by the Corps of Engineers to regulate the release of water through 850 miles (1,370 km) of open river from Garrison Dam in North Dakota to the confluence with the Mississippi River at St. Louis.
A series of flood control reservoirs backed up by massive dams is a key factor driving the high water currently swelling the Missouri River. The abnormally high flow on the upper Missouri River ...
In June 2011, in response to the 2011 Missouri River Floods, the dam was releasing more than 140,000 cubic feet per second (4,000 m 3 /s), which greatly exceeded its previous record release of 65,000 cu ft/s (1,800 m 3 /s) set in 1997. [8] The first use of the emergency spillway due to flooding started on June 1, 2011, at 8:00am. [9]
On May 3, using the planned procedures for the Birds Point-New Madrid Floodway, the Corps of Engineers blasted a two-mile (3 km) hole in the levee protecting the floodway, flooding 130,000 acres (530 km 2) of farmland in Mississippi County, Missouri, in an effort to save the town of Cairo, Illinois and the rest of the levee system, from record-breaking flood waters. [19]
Residents of Winthrop, Missouri evacuated as Missouri River flooding snaked through farmlands heading towards homes.
Big Bend Dam is a major embankment rolled-earth dam on the Missouri River in Central South Dakota, United States, creating Lake Sharpe. The dam was constructed by the U.S. Army Corps of Engineers as part of the Pick-Sloan Plan for Missouri watershed development authorized by the Flood Control Act of 1944. Construction began in 1959 and the ...
The community is sandwiched between the Missouri River, which is approaching minor flooding, and the Big Sioux River, which is expected to rise 11 feet to crest Monday or early Tuesday at a record ...
Several hundred-year flooding events occurred in 2011. In North America, the following events occurred on separate rivers and tributaries: 2011 Assiniboine River flood; 2011 Lake Champlain and Richelieu River floods; 2011 Manitoba floods (disambiguation) 2011 Mississippi River floods; 2011 Missouri River flood; 2011 Musselshell River flood ...