The seven states that rely on the river blew a deadline to strike a new water sharing agreement. Cuts are surely coming.

Arizona's WIFA is considering seven proposals, including three desalination projects, to address the state's water shortage.

If there's no agreement among the seven Colorado River states on a drought plan, Arizona could face new cutbacks. Here's what Phoenix would do.

As aquifers across the state are depleted at unsustainable rates, a new rule allows for construction without physical proof of an assured water supply, but detractors say it locks developers into ...

All hotels along the South Rim inside Grand Canyon National Park in Arizona are closing due to severe water restrictions.

The future of the Colorado River — a vital water source for 80% of Central and Southern Arizona — is more uncertain than ever ...

Everyone sees what’s coming: there is not enough water to maintain the world Arizona built in the 20th century.

Arizona is has the second-highest rate of wastewater reuse in the Colorado River basin, according to a new study. And it ...

PHOENIX — Central Arizona Project (CAP) delivers water to about 90% of the state’s population. CAP is a 336-mile system of aqueducts, tunnels, pumping plants and pipelines that carries Colorado River ...

A severe groundwater shortage has thrown a wrench into Arizona’s growth machine, putting half a million new homes in construction limbo at a time the state is grappling with a housing deficit.

CAMP VERDE, Ariz.—In front of Buddy Rocha Jr. stood a group of Arizona’s local and state-level politicians, agency staffers and water experts. Behind the Yavapai-Apache chairman flowed the Verde River ...