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ARIZONA - STRONGER TOGETHER

The Colorado River Basin continues to experience drought exacerbated by the impacts of climate change. The Lower Basin has been in a Tier 1 shortage in 2022 and will be in a Tier 2a shortage for 2023. The Tier 1 shortage has resulted in a substantial cut to Arizona’s share of the Colorado River – about 30% of Central Arizona Project’s normal supply; nearly 18% of Arizona’s total Colorado River supply; and less than 8% of Arizona’s total water use. Nearly all the reductions within Arizona have been taken by Central Arizona Project (CAP) water users. These reductions were determined by the CAP priority system – the result being less available Colorado River water for central Arizona agricultural users.

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Press Statement from ADWR and CAP
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Colorado River Shortage FAQs

Shortage Impacts

Joint ADWR/CAP press release regarding the U.S. Secretary of the Interior’s declaration of a Tier 1 shortage on the Colorado River for 2022

Colorado River shortage will have various impacts on available water supply to CAP water users.

CAP Canal
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