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What in the world 
www.theguardian.com


Revealed: the ‘shocking’ levels of toxic lead in Chicago tap water
Tests performed for thousands of Chicago residents found lead, a neurotoxin, in amounts far exceeding the federal standards
The Guardian worked with water engineer Elin Betanzo – who helped uncover the Flint water crisis that resulted in many, mostly Black residents being poisoned by lead in the Michigan city – to review the results of water tests conducted for Chicago residents between 2016 and 2021. Chicago itself has never released an analysis of the results.
The analysis found that nine of the top 10 zip codes with the largest percentages of high test results were neighborhoods with majorities of Black and Hispanic residents, and there were dozens of homes with shockingly high lead levels. One home, in the majority-Black neighborhood of South Chicago, had lead levels of 1,100 parts per billion (ppb) – 73 times the Environmental Protection Agency (EPA) limit of 15ppb.
“There’s a very clear data set here showing very concerning lead levels in Chicago – and the residents need to have this information,” said Betanzo, the founder of a water engineering firm. “Lead is a potent, irreversible neurotoxin with no safe level of exposure and multigenerational impacts. The time to cut it off is as soon as possible. Foot dragging is helping nobody.”
“This data shows lead well above the action level consistently, at addresses across the city again and again and again, and it’s been sitting here publicly available for years,” said Betanzo. “It’s amazing. It’s shocking,” she added.