A new report highlights concerning concentrations of cancer-causing nitrate, arsenic, and chromium-6 in U.S. tap water.

Amid central Iowa’s lawn-watering ban, Gov. Reynolds said regulating the agriculture industry is not the answer to Iowa’s ...

While Iowa's problems are uniquely severe, nitrate levels are a rising concern in other regions, from California to the Chesapeake Bay.

DuPont Co. has agreed to settle a federal class-action lawsuit that was filed nearly a decade ago on behalf of residents in ...

"You have to be responsible for your own pollution." Experts sue to halt flow of likely carcinogen into drinking water supply ...

EWG study shows tackling several tap water contaminants at once offers far greater health benefits than treating pollutants ...

Drinking water treatment that pursues a multi-contaminant approach, tackling several pollutants at once, could prevent more ...

A new $1.9 million project aims to reduce nitrate runoff into Beaver Creek, a stream that flows directly into Central Iowa’s ...

Of the 2,099 people who responded, 97% said they were concerned about air quality around the Tijuana River and 96% about ...

Illinois’ share of clean water grants to states would dip to $11 million next year, compared with $105.5 million this year.

The report caps a two-year-long research review by a team of 16 scientists that focused on pollution patterns in two ...

Gov. Tina Kotek backed the bill to modernize Oregon’s failed groundwater pollution laws. Kotek has been active in trying to ...