New index shows 67 million Americans rely on high‑risk water systems as climate threats outpace utilities’ disclosures.

When you turn on the tap, you can typically expect clean, safe water to flow out. But behind that simple action lies a ...

Several studies have examined the prevalence of contaminants in U.S. public drinking water.

Utilities staff with the town of Berthoud discovered Monday that a backflow of untreated water went into the town’s potable water system at a residential connection recently, but after tests they are ...