ALEXANDRIA, Va. — It seemed like a simple task: Make a few calls and figure out whether the tap water in my 136-year-old row house near the nation’s capital is contaminated with lead. More than a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Tap water is central to just about everything you do at home, from drinking to showering to cooking. You’ll probably never go a day without using it. But how much can you really trust your home’s ...