What lake in the US is drying up?

Lake Mead's dramatically decreased water level has brought concerns about climate change, water consumption, and drought conditions in the Southwest. However, the water shortage has also revealed startling discoveries. Lake Mead's story is one that exhibits the importance of discovery and conservation.



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Lake Mead retains just over one-fourth of the water that it was originally filled with, according to reports from July of 2022. The main contributors to Lake Mead's decreased water levels, besides population growth leading to depletion, include drought and climate change.

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Lake Mead retains just over one-fourth of the water that it was originally filled with, according to reports from July of 2022. The main contributors to Lake Mead's decreased water levels, besides population growth leading to depletion, include drought and climate change.

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The lake, which was created by the Hoover Dam, has been decreasing in size since the 1990s. This is due to a number of factors, including drought, population growth, and climate change. The lake delivers water to Las Vegas, Los Angeles, and Phoenix, so the water crisis is a concern for all three of these cities.

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Without Lake Mead, Las Vegas would lose access to 90 percent of its water sources. If Lake Mead were to reach dead pool, it would technically still be able to supply drinking water to Las Vegas. But there will not be enough water for agricultural activities.

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Lake Powell and Lake Mead are unlikely to refill for another 50 years - and would need SIX consecutive years of deadly atmospheric rivers to replenish.

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The net volume loss in natural lakes is largely attributable to climate warming, increasing evaporative demand, and human water consumption, whereas sedimentation dominates storage losses in reservoirs.

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For thousands of years, from the Paleolithic onward, Tulare Lake was a uniquely rich area, which supported perhaps the largest population of Native Americans north of Mexico. In the second half of the 1800s, Tulare Lake was dried up by diverting its tributary rivers for agricultural irrigation and municipal water uses.

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Lake Mead, located in the Colorado River Basin, will operate at a Tier 1 shortage next year, an improvement over the current Tier 2 shortage, according to the U.S. Bureau of Reclamation.

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It's worrying to see the lake's water level decline but the chances of it fully drying up are very slim. The Hoover Dam and Lake Mead still do so much important work for the southwest USA, in terms of both water supply and power generation.

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D.J. Jenner, the owner of Las Vegas Scuba, who has been observing the lake for years, told Impact that the water levels have gone down roughly 40 feet since he started his business. There's still plenty of water out here for people to come out and enjoy the lake, but it is going down pretty quickly, he said.

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6 Lakes That Are Drying Up
  • Lake Poopó This lake in west-central Bolivia occupies a shallow depression in the Altiplano, or “High Plateau,” at 12,090 feet (3,686 meters) above sea level. ...
  • Aral Sea. ...
  • Lake Mead.
  • Lake Chad. ...
  • Lake Urmia. ...
  • Dead Sea.


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A shrinking river is hurting people and the economy in a variety of ways. Barges can't operate on the river to get goods to market. Drinking water may also be at risk – for example, salt water moving upriver from the Gulf of Mexico could impact drinking water supplies in parts of Louisiana.

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As the British Medical Journal reported in March 2023, the drying Euphrates River has forced some residents to rely on contaminated groundwater, leading to the spread of typhoid fever and cholera.

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The Aral Sea was located in Central Asia between Kazakhstan and Uzbekistan. With an area of 68,000 km2, it was once the 4th largest lake in the world. Its name means “Sea of Islands”, as over a thousand islands were once dotted across its surface.

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Yes. Over the last decade, summer water levels have been higher than average, but dry seasons have been starting earlier than expected, with water levels falling lower than usual. So we're seeing larger fluctuations across the year.

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Studies show that a project like this would be possible, though it would take decades of construction and billions of dollars. Maybe even trillions.

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The last time Lake Mead was at maximum capacity, reaching an elevation of about 1,220 feet near the dam, was in 1983 and 1999, NASA notes.

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