Every house has its own sounds. The sump pump cycling after a heavy rain, or the ductwork snapping as it heats up and expands, or that unexplained cracking we hear late at night when we are all alone.

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Across the country, states and cities are replacing lead pipes to address concerns over lead-contaminated drinking water, an urgent health threat. But environmental advocates are concerned that a ...

A landmark federal commitment to fund the elimination of a toxic national legacy—lead drinking water pipes—promises to improve the public health outlook for millions of people across the U.S. But it ...