More than two-thirds of Chicago kids younger than 6 live in homes with tap water tainted by lead, a new analysis says.
There are detectable levels of lead in the drinking water supplied to 68% of young children in the Windy City, say researchers with the Johns Hopkins Bloomberg School of Public Health.
There is no “safe” exposure level for lead, a toxin proven to stunt children's physical and mental development, researchers said. Chicago has more of these than any other U.S. city, researchers noted – an estimated 400,000 lead pipes that supply water to as many as 2.7 million people. Researchers searched for the lowest detectable level of lead in these water tests, which is one part per billion. That's roughly the equivalent of a half-teaspoon of water in an Olympic-sizedBased on that, the AI program predicted that lead-contaminated water likely is being fed to 75% of Chicago's residential city blocks, covering 68% of kids under 6 years old.
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