Central Arizona Project recently did a "blow off" in a 1-mile-long siphon in northwest Phoenix, removing water in the 21-foot ...

Arizona is tussling with other states over how much of the Colorado River it should receive. But how will Arizonans divide ...

The maintenance team's hard work and advanced planning today will prevent emergency situations from threatening their system ...

As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

Arizona is entering a brave new world, now that state water officials have opened the door to groundwater transfers from the Harquahala basin.

ABC15 got an exclusive look into a Central Arizona Project siphon, which is crucial in transporting water from the Colorado ...

Arizona has taken cuts to its Colorado River water since 2022. But a set of agreements among Arizona’s cities, farms and tribes that share the burden of those shortages expires in 2026.