With climate change and long-term drought continuing to take a toll on the Colorado River, the federal government on Monday for the first time declare

In a First, U.S. Declares Shortage on Colorado River, Forcing Water Cuts

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2021-08-17 18:30:02

With climate change and long-term drought continuing to take a toll on the Colorado River, the federal government on Monday for the first time declared a water shortage at Lake Mead, one of the river’s main reservoirs.

The declaration triggers cuts in water supply that, for now, mostly will affect Arizona farmers. Beginning next year they will be cut off from much of the water they have relied on for decades. Much smaller reductions are mandated for Nevada and for Mexico across the southern border.

But larger cuts, affecting far more of the 40 million people in the West who rely on the river for at least part of their water supply, are likely in coming years as a warming climate continues to reduce how much water flows into the Colorado from rain and melting snow.

“As this inexorable-seeming decline in the supply continues, the shortages that we’re beginning to see implemented are only going to increase,” said Jennifer Pitt, who directs the Colorado River program at the National Audubon Society. “Once we’re on that train, it’s not clear where it stops.”