Colorado River experts reviewed water usage rates and found that a dry winter will 'crash' reservoirs. A wet one will only ...

US 93 has been under construction off-and-on for nearly 30 years, and over the last few years, projects have reached nearly ...

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Tucson demands a data center developer restore 652,000 gallons of water it says was taken without authorization for Project ...

TUCSON, Ariz. (KGUN) — Several Southern Arizona officials gathered at a ribbon-cutting Wednesday for the completion of the Sunset Interchange/Sunset Links project. Spearheaded by the Pima County ...

Every time tension over water shortages on the Colorado River ratchets up, a version of the same question surfaces. "If the eastern half of the U.S. keeps flooding while the western U.S. is drying up, ...

'Strong market interest validates the role this project can play in improving supply flexibility and reliability for West Coast markets'. Image by Sergii Zhmurchak via iStock Kinder Morgan Inc and ...

A cold front is moving across Arizona, bringing widespread rain and gusty winds tonight through Wednesday afternoon as an upper-level disturbance pushes east. The Wednesday morning commute in the ...

Arizona saw showers, thunderstorms and strong winds on Tuesday, as an upper level disturbance approaches from the west. The Valley even saw isolated showers in the morning and midday. The high Tuesday ...

The Bureau of Land Management plans to sell a parcel of land to a solar developer in Arizona. In a Federal Register notice to be published Tuesday, BLM proposes to sell a 640-acre parcel in La Paz ...

Arizona is in talks with San Diego to potentially trade funding for California desalination projects in exchange for a larger share of Colorado River water. The cost of desalinated water is a major ...