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

Unclear waters: How pollution, diversions and drought are squeezing the life out of the...

The Arkansas Valley Conduit promises to bring clean drinking water to more residents of southeast Colorado.
Water lab photo

Citizens across the country are questioning, and sometimes fighting, chloramines in drinking water

People are fighting against disinfectants in their drinking water that cause rashes, breathing problems and more.

Nearly 60 million Americans don’t drink their tap water, research suggests – here’s why...

Water insecurity is an underrecognized but growing problem in the U.S. Tap water distrust is part of the problem.

Uranium cleanup in Moab

After more than a decade of work, a federal cleanup project along the Colorado River in Utah is still removing radioactive uranium tailings that could pose a threat to...

To make less-harmful road salts, we’re studying natural antifreezes produced by fish

De-icing salts can pollute water bodies. Taking a page from nature, scientists hope to develop effective but more benign antifreeze compounds.
The Crystal River flows through the town of Marble just after its confluence with Yule Creek

U.S. Army Corps won’t hold public hearing on marble quarry that relocated Yule Creek

The U.S. Army Corps of Engineers has denied local groups’ request for a public hearing in the case of a marble quarry that violated the Clean Water Act.

Toxic algae blooms in reservoirs near Steamboat detected thanks to new state protocol

Since state officials began a more focused monitoring effort six years ago to detect toxic algae blooms in Colorado’s lakes and reservoirs, testing has documented harmful levels of such toxins three times on the Western Slope.

Despite pandemic, Denver Water’s lead reduction program shows promising early results

One year after it launched one of the largest lead treatment programs in the United States, Denver Water is slightly ahead of schedule.

Gunnison River, with elevated selenium levels, faces review for reclassification

State water-quality officials will soon evaluate whether two water-improvement programs in the Gunnison River basin have successfully reduced a chemical that is toxic to endangered fish.

Well water throughout California contaminated with ‘forever chemicals’

These chemicals are everywhere. They last forever. They’re expensive to get rid of. And many Californians don’t even know they’re drinking them.