Top 10 Longest Water Dams in the World

There are a number of reasons countries build dams. Some are for water storage, some produce electricity and some have industrial factories inside of them, using the water to power their machines. No matter why they are built, they can be very impressive indeed…

Nurek Dam – Length: 700 m

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It might be the smallest on this list, but that doesn’t mean it is any less impressive, a real feat of design and engineering.

San Roque Dam – Length: 1,200 m

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Not only long, but it is also 200-meter-tall and holds back 525 million cubic tonnes of water!

Atatürk Dam – Length: 1,820 m

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Atatürk Dam (originally called the Karababa Dam) is a zoned rock-fill dam with a mega-sized central core on the Euphrates River.

Oroville Dam – Length: 2,110 m

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It might be the nation’s tallest dam and California’s second-largest reservoir, but it is also one of the longest in the world as well.

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Tarbela Dam – Length: 2,743 m

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This earth fill dam is located on the Indus River in Pakistan and is the largest earth-filled dam in the world! It’s also pretty long as well.

Oahe Dam – Length: 2,853 m

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There are quite a few dams along the length of the Missouri River, but the Oahe Dam is the largest of them all.

Gardiner Dam – Length: 5,000 m

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The Gardiner Dam located on the South Saskatchewan River in Saskatchewan is one of the world’s largest embankment dams and looks very impressive once fully open.

Guri Dam – Length: 7,426

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The Guri Dam is a concrete gravity powered embankment dam in Bolívar State, Venezuela. Underneath the concrete, it is basically a hydroelectric power station.

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Cochiti Dam – Length: 8,851 m

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This very long earthen fill dam is located in Sandoval County, New Mexico and is made from 65,000,000 cubic tonnes of earth and rock.

Syncrude Tailings Dam – Length: 18,186 m

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There is none longer than this very impressive damn. At well over twice as much as our number two it really is dam impressive.