Wondering if you need an iron filter? Learn the telltale signs iron is entering your water from your main supply, old pipes, or a well. Clean water is essential to every household, which is why cities ...

There’s a good chance that “forever chemicals”—the toxic compounds known as PFAS—are in your drinking water. A recent government study suggests that nearly half of the tap water in the U.S. is ...

Chemists invented PFAS in the 1930s to make life easier: Nonstick pans, waterproof clothing, grease-resistant food packaging and stain-resistant carpet were all made possible by PFAS. But in recent ...

Lead, bacteria and PFAS are among the contaminants cropping up in drinking water. Credit...Thea Traff for The New York Times Supported by By Dana G. Smith Over the past few years, water safety crises ...