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.

I recommend the city adopt a policy requiring all new developments to include stormwater retention infrastructure, ...

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

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 ...

PHOENIX — The Central Arizona Project (CAP) delivers Colorado River water to about 80% of Arizona’s population through a canal system that stretches more than 300 miles. It begins at the Colorado ...

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

The Colorado River will remain in shortage through 2026, federal officials announced, a decision that was expected after an especially poor winter runoff season. Arizona suffers the largest cuts under ...

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 ...

Millions of people in the Western U.S. are at risk of seeing reduced access to both water and power as two of the nation's biggest reservoirs continue to dry up inch by inch. The United Nations issued ...