Guntersville Dam is a hydroelectric dam on the Tennessee River

Tennessee River

The Tennessee River is the largest tributary of the Ohio River. It is approximately 652 miles long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names...

 in Marshall County

Marshall County, Alabama

Marshall County is a county of the U.S. state of Alabama, and is included in the Huntsville-Decatur Combined Statistical Area. Its name is in honor of John Marshall, famous Chief Justice of the United States. As of 2010 the population was 93,019...

, 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...

 of Alabama

Alabama

Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...

. It is one of nine dams on the river owned and operated by the Tennessee Valley Authority

Tennessee Valley Authority

The Tennessee Valley Authority is a federally owned corporation in the United States created by congressional charter in May 1933 to provide navigation, flood control, electricity generation, fertilizer manufacturing, and economic development in the Tennessee Valley, a region particularly affected...

, which built the dam in the late 1930s as part of a New Deal

New Deal

The New Deal was a series of economic programs implemented in the United States between 1933 and 1936. They were passed by the U.S. Congress during the first term of President Franklin D. Roosevelt. The programs were Roosevelt's responses to the Great Depression, and focused on what historians call...

 era initiative to create a continuous navigation channel on the entire length of the river and bring flood control and economic development to the region. The dam impounds the Guntersville Lake

Guntersville Lake

Guntersville Lake is located in north Alabama between Bridgeport and Guntersville. Created by Guntersville Dam along the Tennessee River, it stretches 75 miles from Guntersville Dam to Nickajack Dam...

 of 67900 acres (27,478.2 ha), and its tailwaters feed into Wheeler Lake

Wheeler Lake

Wheeler Lake is located in the northern part of the United States state of Alabama, between Rogersville and Huntsville. Created by Wheeler Dam along the Tennessee River, it stretches 60 miles from Wheeler Dam to Guntersville Dam...

.