Arizona Attorney General Kris Mayes calls for a statewide pause on new data centers, citing concerns about water use, power demand and costs.

A 4.25 million-gallon sewage spill in Pueblo contaminated the Arkansas River, prompting warnings to avoid the water downstream.

Utah is ending its toilet rebate program after nearly 6,000 replacements and will shift funding toward outdoor water conservation.

In this water news highlight, we explore new research that suggests climate change is reshaping the West’s water cycle by reducing snowpack, shifting runoff, increasing demand and straining water...

In this video highlight of the week's water news, Nevada challenges new Colorado River rules in federal court, warning severe shortages could cut 71% of its annual river allocation.

Monsoon storms ease drought in Arizona and New Mexico, while heat and dryness worsen conditions elsewhere in the Colorado River Basin.