Even though lead in drinking water damages children's development, the Environmental Protection Agency has forced very few cities to replace their lead pipes.
Consider Chicago, with more water pipes made out of lead than any U.S. city, some 400,000. About 7% of homes that requested sampling last year exceeded federal limits, and in at least 73 homes, it was at least twice that much, according to an AP analysis of more than 3,500 samples collected using a method that’s more sensitive than the federal government’s.That’s because EPA standards only say most homes – not all – can’t have dangerous amounts of lead.
In 2012, the city began rapidly replacing its aged water mains. These are typically made of cast-iron, not lead. When road crews came across the lead pipes that branch off and serve individual homes, they only replaced a short piece near the water main with copper. Thousands and thousands of times, they reburied the junction and left the rest.
The next year, to protect against those spikes, the city finally started handing out water filters to residents in neighborhoods where public works crews were replacing mains. The lawsuit was eventually dismissed. The city of Detroit found success when it pressured residents to let road crews onto private property to remove lead pipes. Rules like that are not in place in Chicago.Since the legislature changed the law, most residents have allowed workers on their property to replace pipes, she said.
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