Arizona Cities Could Face Cutbacks in Water From Colorado River, Officials Say

 

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“Arizona could be forced to cut water deliveries to its two largest cities unless states that tap the dwindling Colorado River find ways to reduce water consumption and deal with a crippling drought, officials of the state’s canal network said Tuesday.

The warning comes as the federal Bureau of Reclamation forecasts that Lake Mead, a Colorado River reservoir that is the network’s sole water source, will fall next month to a level not seen since the lake was first filled in 1938.

Officials of the Central Arizona Project, which manages the 336-mile water system, say the two cities, Phoenix and Tucson, could replace the lost water, at least in the short term, by tapping groundwater supplies, lakes and rivers.

If they do not reduce consumption, the cuts could be necessary by as early as 2019, according to an analysis by the water project, and officials said that depending on drought conditions, the chances of water cutbacks by 2026 could be as high as 29 percent.

Although experts have been aware for years that shortages would eventually occur, the analysis represents a marked turnabout in officials’ thinking.

“We’re dealing with a very serious issue, and people need to pay attention to it,” Sharon Megdal, a University of Arizona water expert and board member of the Central Arizona Project, said in an interview. “The possibility of cutbacks of water deliveries to municipalities is higher than we’ve ever thought it was going to be.”

The mere prospect of a shortage in Arizona cities, now raised publicly for the first time, is but a proxy for the rising concern among many experts over a longer-term water crisis across the entire Southwest. States along the lower Colorado River use much more water than flows into the lake in an average year, a deficit that upstream states shouldered for decades by opening their reservoir sluices to release more water.”

Read more: The New York Times

 

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