Unknown to most Americans, a surprising number of U.S. cities have drinking water with unhealthy levels of chemicals and contaminants. Using data collected from multiple sources for five years by Environmental Working Group, 24/7 Wall St. has compiled this list of the 10 worst. Continue reading 10 American Cities With the Worst Drinking Water 10 American Cities With the Worst Drinking Water originally appeared on DailyFinance on Mon, 31 Jan 2011 10:00:00. Filed Under: Columns , Health Care Permalink | Tweet this! | Comments