Garrison Dam is an earth-embankment dam on the Missouri River in North Dakota, and the fifth-largest earthen dam in the world. The dam was built in 1956 by the U.S. Army Corps of Engineers as part of a flood control and power generation project along the river.
The dam is between Riverdale and Pick City, North Dakota. Garrison, North Dakota is named after the dam.
Hydropower turbines at Garrison Dam have a generating capacity of 515 megawatts of electricity. Their average production is 240 megawatts, enough for several hundred thousand people.
The Garrison Dam National Fish Hatchery is the world's largest walleye and northern pike producing facility and also works to restore endangered species, such as the pallid sturgeon.
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