A new report identifies ways to create resilient water and wastewater systems in communities hardest hit by climate change.

Over half of Arizona, including all of Maricopa County, is currently experiencing extreme drought conditions, according to the latest U.S. Drought Monitor map ... from the Colorado River, and ...

During the late 19th and early 20th centuries, camels wandered the Sonoran Desert. How they got there, and what happened to ...

California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are ...

The Lower Basin states of California, Arizona and Nevada are asking for a fresh look at proposals for sharing the shrinking ...

Trump’s early actions, including ordering the US Army Corps of Engineers to open two California dams, have led to concerns ...

The Colorado River's Upper Basin states have held the position that they can't cut water use because they're already working with a smaller share. Arizona water officials say any further cuts in ...

Arizona's water chief reports $4 billion for Colorado River conservation is accessible again, but federal agencies haven't confirmed the funds' status.

Hundreds of millions of dollars in federal funds to conserve water in the Colorado River Basin — including $86.6 million for advanced wastewater treatment in Tucson — have been frozen by the ...

A 2026 deadline is looming for the seven states – Colorado, Utah, Wyoming, New Mexico, California, Arizona and Nevada – to renegotiate how much each can draw from the river. The federal ...

The Colorado River's Upper Basin states have held the position that they can't cut water use because they're already working with a smaller share. Arizona water officials say any further cuts in the ...