.Millions of dollars in federal and city loans dedicated to replacing lead pipes that pump water into people’s homes remain unused, a city official said Monday, at the same time that officials are struggling to keep up with state and federal deadlines to warn people of the risks.

At a City Council committee meeting on Monday, alderpersons questioned officials from the departments of water management and finance over slow lead pipe replacements and a monthslong delay in warning nearly a million Chicagoans about the risks of toxic lead pipes.

Chicago has more than 412,000 confirmed and suspected lead service lines — the most of any city in the country — but replacements are lagging . Chicago doesn’t anticipate replacing all its pipes until 2076, some 30 years after a federal deadline . Lea

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