States volunteer to take more cuts in #ColoradoRiver water — The Associated Press #COriver #aridification #crwua2021

From The Associated Press (Brittany Petersen and Felicia Fonseca):

Water leaders in Arizona, Nevada and California signed an agreement Wednesday to voluntarily reduce their take from the Colorado River to help stave off mandatory cuts in the upcoming years.

The signing took place at the Colorado River Water Users Association annual meeting in Las Vegas, amid urgency to negotiate new rules for managing the dwindling river — which serves 40 million people — beyond 2026, when current guidelines and an overlapping drought plan expire.

The newest agreement, known as the “500+ Plan,” requires the states to cut 500,000 acre-feet in 2022 and 2023, or enough to serve 1 million to 1.5 million households annually, depending on water usage and conservation in the area.

It also requires financial investment from the states — $40 million from Arizona, and $20 million each from Nevada, California and the Central Arizona Project, which operates a canal system that delivers Colorado River water in Arizona. The federal government would match the funding, for a total of $200 million.

The money would fund water efficiency projects and programs to reduce usage throughout Arizona, Nevada and California, which are in the river’s lower basin.

The Interior Department joined the states and other water users in making the announcement.

The stop-gap measure upstaged what water managers had hoped to be the focus of the Las Vegas gathering — the start of negotiations for the next plan. That will have to wait, U.S. Bureau of Reclamation Commissioner Camille Touton told attendees over video conference.

Exactly how much water each state will contribute under the 500+ Plan is still being negotiated. The three states’ share of Colorado River water is delivered through the country’s largest reservoir, Lake Mead. The lake fell below 1,075 feet (327 meters) above sea level this year, triggering mandatory cuts for Arizona, Nevada and Mexico in 2022.

The states had volunteered to cut back on water before that threshold hit under a 2019 drought contingency plan.

Arizona relied heavily on compensated water contributions from the Colorado River Indian Tribes and the Gila River Indian Community to fulfill its obligations under the drought plan. It’s expected to do the same for the 500+ Plan…

Looking down on the power plants from the top of Hoover Dam.

For California, which receives more than half the hydropower [from Hoover Dam], the new deal is particularly urgent, said Adel Hagekhalil, general manager of the Metropolitan Water District of Southern California.

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