A new study links major industrial emitters to declining Western snowpack, streamflow, rising irrigation demand and groundwater loss.

New Reclamation research targets Lake Powell evaporation, Grand Canyon springs, water quality, invasive species and artificial intelligence.

Nevada is challenging new Colorado River rules, arguing the federal plan could cut its allocation by about 71 percent and violates federal law.

A Kings County judge blocked groundwater probation for two of five Tulare Lake agencies, while denying the farm bureau's $20-per-acre-foot fee challenge.

Monsoon storms brought scattered relief to southern Arizona and Utah, but extreme drought still grips much of Colorado, Wyoming, and Utah.

Lake Powell could fall below 3,510 feet in 2027 as Reclamation models releases of 6 million to 7 million acre-feet.