Lake Mead is at the lowest water levels in its 85-year history. Federal officials who manage the lake expect to soon declare a water shortage.and Lake Powell, the river’s two largest reservoirs, have been falling for years and faster than experts predicted. Scorching temperatures and less melting snow in the spring have reduced the amount of water flowing from the Rocky Mountains, where the river originates before it snakes 1,450 miles southwest and into the Gulf of California.
“We’re at a moment where we’re reckoning with how we continue to flourish with less water, and it’s very painful,” said Sarah Porter, director of the Kyl Center for Water Policy at Arizona State University.Water stored in Lake Mead and Lake Powell is divvied up through legal agreements among the seven Colorado River basin states, the federal government, Mexico and others.
Under a 2019 drought contingency plan, Arizona, Nevada, California and Mexico agreed to give up shares of their water to maintain water levels at Lake Mead. The voluntary measures weren’t enough to prevent the shortage declaration.Lake Mead supplies water to millions of people in Arizona, California, Nevada and Mexico.
Cuts for 2022 are triggered when predicted water levels fall below a certain threshold — 1,075 feet above sea level, or 40% capacity. Hydrologists predict that by January, the reservoir will drop to 1,066 feet.Eventually, some city and industrial water users could be affected.Lake Powell’s levels also are falling, threatening the roughly 5 billion kilowatt hours of electricity generated each year at the Glen Canyon Dam.
Colorado, New Mexico, Utah and Wyoming get water from tributaries and other reservoirs that feed into Lake Powell. Water from three reservoirs in those states has been drained to maintain water levels at Lake Powell and protect the electric grid powered by the Glen Canyon Dam.In the U.S., Arizona will be hardest hit and lose 18% of its share from the river next year, or 512,000 acre-feet of water.
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NPR Cookie Consent and ChoicesSupport our troops. Please. This was inevitable. Over development in naturally dry areas created this. Trump prudently ended the 20 year Afghanistan war and Biden disastrously botched the final exit.
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