Health

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

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

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.

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

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

A synthetic chemical’s appearance in public water supply wells raises questions of how to protect the public from unknown health hazards.

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...

About one-third of Navajo Nation residents lack running water in their homes and water pollution remains a serious issue in the region. We talk to Kaitlin Harris of DigDeep’s Navajo Water Project about solutions to these pressing problems.

Decades of climate change-driven drought, combined with the overpumping of aquifers, is making the valley desperately dry — and appears to be intensifying the levels of heavy metals in drinking water.

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