Two federal lawsuits challenge approval of the Cadiz Mojave water pipeline, raising groundwater, tribal and environmental concerns.

New Mexico says Los Alamos National Laboratory ignored February demands to stop a spreading chromium plume now on San Ildefonso Pueblo land.

A new zinc-based cell desalinates water, recovers chemicals, and makes energy from acidic and alkaline factory waste, all without outside power.

EPA released a voluntary checklist on Aug. 13, 2026, to help states spot drinking water system problems before they disrupt service.

A new Center for the Future of Arizona survey finds water is voters' top concern, with strong support for rural groundwater rules and water-secure growth.

As reservoirs fall and states clash over future shortages, Arizona is preparing for a fight that could send the Colorado River crisis to court.