At Glen Canyon Dam, Trump administration privileges hydropower over ecosystems

In the struggling Colorado River basin, where water is scarce, the White House has signaled its priorities for how to use the remaining gallons. Even...

Hoover Dam approaches a hydropower cliff

Some day in the next 12 months – maybe in late-August, maybe not until next spring – Lake Mead will drop below the critical...

Glen Canyon Dam faces its existential moment

PAGE, Ariz. – In the span of U.S. history certain years are turning points, milestones in the nation’s story. 1776. 1865. 1929. 1968. Circumstance...
A large elevation differential is a crucial feature of the proposed Carrizo Four Corners project. The project's upper reservoir would be located at the top of the Carrizo Mountains, seen here on Navajo Nation land near Beclabito.

Massive energy storage project eyed for Four Corners region

BECLABITO, N.M. – Standing in a breezy parking lot on Navajo land in the state’s far northwest corner, Tom Taylor looked toward the western...
Transmission lines march outward from Hoover Dam, delivering the dam's hydroelectric power to cities, irrigation districts, and tribes across the Southwest.

Solar growth cushions Colorado River hydropower declines

Lakes Mead and Powell, the basin’s two largest reservoirs, are approaching critical levels in which hydropower from their dams (Hoover and Glen Canyon, respectively) would be severely curtailed or altogether cease.

With wildfire-prevention work, Flagstaff seeks to avoid the next devastating flood

FLAGSTAFF, Ariz. – Five large wildfires have burned tens of thousands of acres in the forests around this northern Arizona city in the last...

As flames scorch western forests, Flagstaff area offers roadmap for post-wildfire flood prevention

FLAGSTAFF, Ariz. – In July 2022, for the second time in a month, the landscape above the Wupatki Trails neighborhood took a beating.  The first...

Once a showcase of American optimism and engineering, Hoover Dam faces new power generation...

The long-term drying of the American Southwest poses a gathering and measurable threat to hydropower generation in the Colorado River basin. Should Lake Mead, the...

Data centers a small, but growing factor in Arizona’s water budget

BUCKEYE, Ariz. – It was supposed to be called Cipriani, a master planned community with more than 9,700 homes at the western fringe of...

At Phoenix’s far edge, a housing boom grasps for water

BUCKEYE, Ariz. – Beneath the exhausting Sonoran sun, an hour’s drive west of Phoenix, heavy machines are methodically scraping the desert bare. Where mesquite and...