State leaders gathered in Washington amid threats of lawsuits over a diminishing water supply. They reported mixed progress.

Mesa is nearing completion of its $210 million Central Mesa Reuse Pipeline. Here's what to know about how it will affect the ...

As Arizona’s cheap water era ends, rising utility costs and supply constraints could reshape the state’s affordability model.

Cold temperatures have settled over much of the Mountain West this winter, but precipitation has been harder to come by, ...

About 36% of the water used in Arizona comes from the Colorado River.

At its core, the framework authorizes and coordinates development of new supply through large-scale desalination, advanced water reuse, and system efficiency projects. By increasing reliable supply ...

In Phoenix, about 40% of the city’s water supply depends on the Colorado River. Before it ever reaches you, that water must ...

As temperatures rise and water supplies drop, public policy could bolster municipal water provisions under pressure. But one ...

There’s still winter left, but Colorado experts say the state needs some mega snowstorms to reach an average snowpack and water supply.

Rising temperatures, diminished rainfall and steadily increasing usage have taken a serious toll on the Colorado River and ...

The governors of six of the seven of the Colorado River Basin states plan to meet Friday in Washington, D.C., in an attempt to break a stalemate in Colorado River water negotiations. Interior ...

Colorado’s water feeds rivers across the West, including Utah, Arizona and California, but every drop starts as snow or rain ...