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.

Dust suppression and habitat restoration are key elements in a plan to aid the Salton Sea, whose ills have been a sore point in Colorado River management.

Colorado joins three other states in approving a new rule that clears the way for drinking treated wastewater.

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

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.

Residents of a mobile home park near Gunnison are often left without water because of unreliable supplies.

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.

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...

Some Colorado residents have been experiencing drinking water contamination for years. When the water will be safe to drink is unknown.