Health

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.

Colorado water officials hope to combat algae blooms caused by rising temperatures and an increased use of phosphorus-laced lawn fertilizers.

Refrigerator filters are an attractive target for counterfeiters, who may also be putting consumers at risk by selling filters that are not merely ineffective, but unsafe.

Scientists fear that eventually the toxic residue of more than a century of agricultural runoff will be blown into the air — and into the lungs of residents.

Colorado’s virus-related restrictions are forcing commercial rafting companies to create social distance on unruly rivers and face the potential for smaller crowds.

Western states are still able to provide relatively affordable water, but that could change as utilities try to recoup losses associated with the pandemic and begin to pay for the massive repairs and upgrades to their systems that were on the drawing board before COVID-19 struck.

The Colorado health department is investigating a plume causing high levels of forever chemicals in the raw water supply of Adams County.

On an early morning, a quiet Denver neighborhood was temporarily transformed into a construction zone. A boring machine on the road outside someone’s home pointed a long, thin drill...

New Mexico is behind in water inspections for the third year in a row, leaving water quality in question.

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.