An initiative of the Center for Environmental Journalism at the University of Colorado Boulder

Many U.S. reservoirs could be rendered useless by sedimentation

There's a looming infrastructure crisis: America’s reservoirs are filling up with sediment.

Photos: Morelos Dam, October 2018

This page contains ground-based and aerial photos of Morelos Dam just south of where California, Arizona and Mexico meet. Morelos Dam was constructed in 1950 after The Mexican Water Treaty...

In an arid U.S. West, water agencies look to delive​r​ purified wastewater directly to...

Western water ​experts are working to not only conserve water, but to also reuse as much wastewater as possible​,​ including ​through direct potable reuse​.​

States, Congress, Trump okay $156M to extend innovative Platte River recovery program

After a year of anxious waiting, scientists and researchers who’ve helped build one of the most successful species recovery programs in the nation have gotten a 13-year extension to finish their work.

Unsafe yield

Severe drought, dead wells and political division push Arizona steadily closer to water supply peril.

The Great Drenching

How did California get battered by a relentless barrage of devastating atmospheric river storms despite La Niña?

Does Arizona have enough water? Phoenix-area cities are spending big to make sure it...

Brett Fleck does not have an easy job. He manages water for a city in the desert. He has to keep taps flowing while facing a complicated equation: The...

Mobile-home residents stuck in a regulatory roundabout

It's unclear whether a new law could improve water quality in the Eagle River Village park, but legislators want to pressure owners to do more.

How much runoff comes from the West’s snowpack?

Snowmelt dominates many Western rivers, but climate change will reduce that contribution as raindrops replace snowflakes.

Saving a river

In the arid Southwest, where water scarcity often divides competing interests, an innovative approach could become the model for future cooperation. Brad Hicks shows you how a river is being...