A previously unidentified chemical has been discovered in the tap water of about one-third of U.S. homes, a new study has ...

For more than four decades, scientists have noticed a mysterious chemical in the treated drinking water of millions of people ...

Some water systems decided to use chloramine -- a chemical compound formed by mixing chlorine and ammonia -- as a ...

A major goal of our work is to identify these chemicals and the reaction pathways through which they form,” said Julian ...

A mystery chemical, chloronitramide anion, has been found in U.S. drinking water, but scientists aren’t sure if it’s toxic.

Researchers have identified a chemical in certain tap water across the United States as chloronitramide anion. Here's what to ...

About a third of U.S. residents have been receiving tap water containing a previously unidentified chemical byproduct, a new ...

The recent discovery of a new chemical in drinking water has alarmed scientists after a new study concluded it could ...

A newly identified compound in tap water that had eluded scientists for decades prompts safety concerns for a third of Americans.

Scientists have identified the byproduct of a chemical used to disinfect tap water and prevent waterborne illnesses.

The effects of a chemical that’s produced when water is treated for viruses and bacteria are unknown, but there's a clear ...