Gavins Point Dam is a hydroelectric

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 dam

Dam

A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

 on the Missouri River

Missouri River

The Missouri River flows through the central United States, and is a tributary of the Mississippi River. It is the longest river in North America and drains the third largest area, though only the thirteenth largest by discharge. The Missouri's watershed encompasses most of the American Great...

 in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

s of Nebraska

Nebraska

Nebraska is a state on the Great Plains of the Midwestern United States. The state's capital is Lincoln and its largest city is Omaha, on the Missouri River....

 and South Dakota

South Dakota

South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...

. Built from 1952 to 1957, it impounds Lewis and Clark Lake

Lewis and Clark Lake

Lewis and Clark Lake is an impoundment on the Missouri River above Gavins Point Dam, near Yankton, South Dakota. It is located on the border of South Dakota and Nebraska. The reservoir is approximately long, with a surface area of 31,000 acres ; it has a maximum depth of . It is the smallest of...

. The dam is on the Nebraska-South Dakota border, west of Yankton, South Dakota

Yankton, South Dakota

Yankton is a city in, and the county seat of, Yankton County, South Dakota, United States. The population was 14,454 at the 2010 census. Yankton was the original capital of Dakota Territory. It is named for the Yankton tribe of Nakota Native Americans...

.

Gavins Point Dam is the lowermost dam on the Missouri, and was built as part of the Pick-Sloan Plan. The dam area (with Lewis and Clark Lake) is a very popular regional tourist destination.

The stretch of the Missouri immediately downstream of Gavins Point Dam is the only significant section of non-channelized meandering stream on the lower portion of the river. This federally-designated Wild and Scenic River is among the last free-flowing stretches of the Missouri; it exhibits the islands, bars, chutes, and snags that once characterized the "Mighty Mo".

The dam has a hydroelectric

Hydroelectricity

Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

 plant with three generators, each having a nameplate capacity

Nameplate capacity

Nameplate capacity, also known as the rated capacity, nominal capacity, installed capacity or maximum effect, refers to the intended technical full–load sustained output of a facility such as a power plant, a chemical plant, fuel plant, metal refinery, mine, and many others.For dispatchable power,...

 of 44,099 kW, for a total of 132.297 MW.

External links

• http://www.nps.gov/mnrr/