Virginia teenager Mia Heller’s filtration system harnesses the power of ferrofluid, a magnetic oil that binds to ...

Concerns about aging pipes, a group of chemicals known as PFAS and taste have fueled a booming market for home water filters.

A US high school student has pioneered a low-cost water filter using magnetic ferrofluid to capture 96% of microplastics.

Workers clearing the way last summer for a new West Parish Water Treatment Plant found soil contaminated by PCBs, a discovery that is expected to delay an expensive project already under a tight ...

U.S. tap water is generally safe and high quality. But that doesn’t mean every glass tastes the same, or that every building’s plumbing delivers identical water to the faucet.