Study: Pipe-corroding well water prevalent in half of states

SAN FRANCISCO (AP) - A federal study shows half of U.S. states have a high percentage of wells with water corrosive enough to leach lead from pipes.

U.S. Geological Survey researchers said Wednesday their study was the largest yet of groundwater that supplies the 44 million Americans who use private wells.

Study: Pipe-corroding well water prevalent in half of states