Since 2004, testing by water utilities has found 315 pollutants in the tap water Americans drink, according to an Environmental Working Group (EWG) drinking water quality analysis of almost 20 million records obtained from state water officials.
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# 1 Rated Water authority in the U.S.
Arlington Water Utilities - Fort Worth, TX
Serves 290,000 people - Test data available: 2004-2008
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Texas Commission on Environmental Quality.
# 32 Pittsburgh, PA
Pennsylvania American Water Company- Pittsburgh - Pittsburgh, PA
Serves 660,000 people - Test data available: 2004-2009
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Pennsylvania Department of Environmental Protection.
# 48 Norristown/Bryn Mawr, PA
Aqua Pennsylvania Inc. (Aqua) - Norristown, PA
Serves 820,000 people - Test data available: 2004-2009
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Pennsylvania Department of Environmental Protection.
# 60 City of Philadelphia
Philadelphia Water Department - Philadelphia, PA
Serves 1,600,000 people - Test data available: 2004-2009
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Pennsylvania Department of Environmental Protection.
# 73 City of Pittsburgh
Pittsburgh Water & Sewer Authority - Pittsburgh, PA
erves 250,000 people - Test data available: 2004-2009 This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Pennsylvania Department of Environmental Protection.
#100 Pensacola, FL.
Emerald Coast Water Utility - Pensacola, FL
Serves 307,076 people - Test data available: 2004-2008
This drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group (EWG) by the Florida Department of Environmental Protection.



