Chlorine has long been used as an effective way of removing microorganisms, including bacteria, from drinking water but it has been linked to health problems. In a new study, researchers looked at how ...

Oregon is experiencing a shortage of chlorine, the chemical used in small amounts by water treatment facilities to prevent harmful bacteria growth in drinking water supply. State officials say they ...

Water systems across the country are changing the way they disinfect drinking water because the traditional disinfectant, chlorine, can leave behind toxic chemicals. But alternatives to chlorine are ...

Dear EarthTalk: I was wondering how toxic chlorine is, because my well water was just chlorinated yesterday and today the smell is still strong. I have a 4-year-old daughter and I’m concerned. – Rose ...

A temporary change to Bartlesville’s water disinfection system has been made after biological activity was detected in the water. The City Of Bartlesville said they are using the Temporary Free ...

Sample Receiver Technician II Lauren Pham catalogs water samples in a walk-in refrigerator at the North Texas Municipal Water District lab in Wylie, where water samples are tested. Ryan Michalesko / ...

The City of Watertown has lifted the Boil Water Notice, and all municipalities that receive water from the city are no longer required to boil water before consuming it.

Diving into a public pool this summer? You might be plunging into a petri dish. While chlorine is the go-to germ killer, it doesn’t work instantly. Some nasty germs can survive in treated water for ...

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An outbreak of Legionnaires' disease that killed 12 people and sickened at least 87 in Flint, Mich., in 2014 and 2015 was caused by low chlorine levels in the municipal water system, scientists have ...