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Following is a list of dams and reservoirs in Nebraska. All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3 ), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3 ).
Niobrara and Verdigre (Nebraska) Fire and Rescue are on stand-by." [ 10 ] As the floodwaters from the Niobrara reached the Missouri River, the U.S. Army Corps of Engineers boosted releases at Gavins Point Dam to 90,000 cubic feet per second (2,500 m 3 /s), the highest level since 2011 and the second highest on record. [ 10 ]
Merritt Dam is a dam in Cherry County, Nebraska, southwest of Valentine, in the north-central part of the state. The 126-foot (38 m) earthen dam impounds the Snake River as it flows along the southern edge of the Samuel R. McKelvie National Forest in the Sandhills .
Dam safety systems are used to monitor the state of dams, including external physical threats to the dams, and issuing emergency warnings at various degrees of automation. This includes the use of differential GPS and SAR remote sensing to monitor the risks imposed by landslides and subsidence .
Because reservoirs and their containing dams present such significant potential risks many countries have put legislation in place and set safety standards, but it was not until 1930 that effective legislation was first approved for control of the design, construction and maintenance of dams and reservoirs when the Reservoirs (Safety provisions ...
The earthen and rockfill dam was constructed in 1948 and 1949 by the United States Bureau of Reclamation. It is 165 feet (50 m) high, and 5,665 feet (1,727 m) long at its crest. [ 2 ] It impounds Medicine Creek for flood control, part of the Frenchman-Cambridge Division of the Bureau's extensive Pick–Sloan Missouri Basin Program . [ 3 ]
The project was approved by the Department of the Interior in 1903, and work began on Pathfinder Dam and Interstate Canal in 1905. Guernsey Dam was completed in 1927. In July 2019 a tunnel along the Fort Laramie Canal collapsed, causing Nebraska and Wyoming to declare states of emergency due to lost water. [1] [2]
Gavins Point Dam is a 1.9-mile-long (3 km) embankment rolled-earth and chalk-fill dam which spans the Missouri River and impounds Lewis and Clark Lake.The dam joins Cedar County, Nebraska with Yankton County, South Dakota a distance of 811.1 river miles (1,305 km) upstream of St. Louis, Missouri, where the river joins the Mississippi River.