After more than a decade of work, a federal cleanup project along the Colorado River in Utah is still removing radioactive waste from an abandoned uranium mine that could...
De-icing salts can pollute water bodies. Taking a page from nature, scientists hope to develop effective but more benign antifreeze compounds.
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.
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.
One year after it launched one of the largest lead treatment programs in the United States, Denver Water is slightly ahead of schedule.
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.
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.
As California’s new requirements for forever chemicals kick in, small providers in remote towns struggle to clean up their water.
A developer who disrupts wetlands or streams can offset that impact by buying credits generated from floodplain and ecosystem restoration.
Local groups are keeping a close eye on a marble-mining company that violated the Clean Water Act with a Yule Creek diversion.