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COLORADO RIVER CUTS

Glendale will discuss water plan specifics at workshop

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For years, the city of Glendale has prepared for a reduction in its water allocation from its Colorado River basin allocation.

Now city officials have a specific number to attach to the cutbacks discuss with the Glendale City Council at its Oct. 13 workshop.

This summer, the Federal  Bureau of Reclamation set new guidelines for Lake Powell and Lake Mead operations include operating rules, emergency action parameters, and modeled shortage protections. Glendale is required to reduce its CAP order by 4,000 acre-feet in 2027, according to the new guidelines.

"The city is prepared for a 20% cut to our CAP supplies (or about 4,000 acre-feet) in 2027.  The City’s water customers will not be impacted by a 20% CAP cut." stated Glendale Deputy Director of Water Services Megan Sheldon in an email.

An acre-foot is enough water to cover 1 acre in 1 foot of water, or about 326,000 gallons.

The Salt and Verde rivers, which are controlled by SRP, account for 55% of the city’s drinking water supply, while the Colorado River handles 41% and groundwater chips in 4%. That is good news.

The area of Glendale north of Arizona Canal primarily receives Central Arizona Project-delivered drinking water from the Colorado River, while south of the canal is mostly SRP.

Tthe presentation will explain that the city has options (use more groundwater, use additional surface water supplies stored in Roosevelt Lake’s New Conservation Space, recover long-term storage credits) if there are more severe cuts to our CAP supplies," Sheldon stated.

Glendale has been in stage one of its drought management plan since June 2022. The city’s 5% reduction in use means saving about $30 million a year.

The city owns and operates four potable water treatment plants, two water reclamation facilities and five active city wells, with five more wells in the design or construction phase.

AdvertisementSeven wells owned by the Salt River Project add to Glendale’s operational capacity.
 
Also, the city is not the water provider for all residences or businesses.
 
“The annexed portions of the city west of 115th Ave are served by various private water companies. In contrast, the region south of the Arizona Canal and east of New River is served by SRP,” stated Glendale Water Resource Program Manager Zac Richards in August.

Colorado River, SRP, CAP

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