A new Environmental Working Group study says there are contaminants in drinking water that could increase the risk of cancer.
Cancer-causing contaminants may be in your drinking water, according to a new study published in the journal Heliyon.
In the study, EWG scientists calculated the cumulative health effects of these carcinogens in more than 48,000 community water systems in the U.S. . She adds: “Right now, water contaminants are assessed and regulated one at a time, but mixtures of a large number of contaminants are present in tap water. This cumulative risk assessment will help to estimate how mixtures of chemicals might affect health, so that community water systems and elected officials can look for new approaches to better protect water quality.”
But larger water systems aren’t necessarily safer. Evans says they also show “consistently elevated risk” because they contain disinfection byproducts, which are a result of required disinfection. “Parts of the country where source water has a high level of organic waste — like manure, dead vegetation, agricultural and urban run-off — tend to have higher levels of disinfection byproducts, which could result in an increased risk of cancer,” she says.
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