How Arizona Is Preparing for the Coming Water Shortage

Arizona will lose one-fifth of its water allotment from the Colorado River in 2022 as cuts from the river's Drought Contingency Plan take effect.

May 5, 2021, 8:00 AM PDT

By James Brasuell @CasualBrasuell

Colorado River megadrought

TFoxFoto / Shutterstock

Ian James writes about how Arizona water officials are preparing to subsist on far less water than hoped in the coming years, as the megadrought along the Colorado River deepens and the relatively new Drought Contingency Plan (DCP) takes effect, determining how much water will be allotted to the seven states along the Colorado River watershed during lean water years.

"Lake Mead’s decline is expected to trigger substantial reductions in water deliveries in 2022 for Arizona, Nevada and Mexico. The largest of those cuts will affect Arizona, slashing its Colorado River supplies by 512,000 acre-feet, about a fifth of its total entitlement," explains James.

"While that will shrink the amount of water flowing to farmlands through the Central Arizona Project Canal, the state’s water managers said during Thursday’s meeting that they’re prepared and have plans ready to handle shortages over the next five years, even if Lake Mead continues to drop to levels that would bring larger cutbacks."

Ted Cooke, general manager of the Central Arizona Project (CAP), is quoted in the article saying that the DCP was crafted with the assumption that drastic conservation measures would eventually be necessary.

According to James, the state of Arizona's response will involve pumping extra groundwater for farmland in Pinal County, where cotton, hay, and other crops grow.

"Farmers in Pinal County hold the lowest priority for water from the CAP. Under a shortage, they’re in line to lose all that water. But the state’s plan will provide them with 'mitigation' water in 2022 that will amount to about a third of their previous supply," explains James.

This big feature story includes a lot more detail about the broader environmental context of the Colorado River watershed, as well as the consequences of the DCP for other states that rely on the river, like Nevada and California.

Friday, April 30, 2021 in Arizona Republic

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