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Davis Dam
Davis Dam 2.jpg
Davis Dam
Official name Davis Dam
Location Clark County, Nevada / Mohave County, Arizona, USA
Coordinates 35°11′56″N 114°34′10″W / 35.19876°N 114.56949°W / 35.19876; -114.56949
Opening date 1951
Operator(s) U.S. Bureau of Reclamation
Dam and spillways
Impounds Colorado River
Height 60m
Length 490m
Reservoir
Creates Lake Mohave
Surface area 26,500 acres (10,700 Ha)
Power station
Hydraulic head 41m
Turbines 5 Francis turbines
Installed capacity 251 MW
Annual generation 1148 GWh

The Davis Dam is a large dam built on the Colorado River. It's about 70 miles downstream from the famous Hoover Dam. This dam stretches across the border between Arizona and Nevada.

It was originally called Bullhead Dam. Later, it was renamed after Arthur Powell Davis. He was in charge of the U.S. Bureau of Reclamation from 1914 to 1923. The United States Bureau of Reclamation still owns and runs the dam today. It was finished in 1951. Davis Dam holds back the Colorado River, creating a large lake called Lake Mohave.

What is Davis Dam?

DAVIS DAM ON COLORADO RIVER. LAKE MOHAVE FORMS IN BACKGROUND - NARA - 549074
Aerial view of Davis Dam and Lake Mohave.

Davis Dam is a special type of dam called an earth-fill dam. This means it's mostly made of earth and rock. It also has a strong concrete section called a spillway. The dam is about 1,600 feet long at the top and 200 feet high.

The earth part of the dam starts on the Nevada side. But it doesn't go all the way to the Arizona side. Instead, there's an opening made of earth and concrete. This opening includes the spillway, which lets extra water flow through. The power plant is right next to this opening.

Why Was Davis Dam Built?

The main job of Davis Dam is to control the water released from Hoover Dam. Hoover Dam is located further upstream. Davis Dam helps make sure the water flows smoothly. It also helps deliver water from the Colorado River to Mexico.

The towns of Bullhead City, Arizona, and Laughlin, Nevada, are located just below the dam. Bullhead City actually started as a town for the workers who built the dam.

Getting Around the Dam

There's a road on top of the earth part of the dam. A bridge called Forebay Bridge crosses over the water in front of the dam. This road used to be part of Arizona State Route 68. However, in 2004, it was closed to cars.

Now, people can walk or ride bikes on the old road. It's part of a trail system called the Heritage Trail. There are barriers at each end of the dam to stop cars. Security guards patrol the area to make sure everyone follows the rules.

How Davis Dam Makes Electricity

The Davis Dam Power Plant is a hydroelectric power plant. It's located on the Arizona side of the dam. This plant uses the power of moving water to create electricity.

Every year, the plant generates a lot of electricity. It has five large machines called Francis turbines. You can see the tops of these turbines from outside the plant. The plant can produce up to 251 megawatts of power.

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