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EWG's State Level Analysis of Water Pollution in US Drinking Water


National Drinking Water Database - State


State Water Quality


December 2009

Curious about which state has the cleanest tap water? Find out below by clicking on the state name.

Select your state:

·Alabama
·Arizona
·Arkansas
·California
·Colorado
·Connecticut
·Delaware
·District of Columbia
·Florida
·Georgia
·Hawaii
·Idaho
·Illinois
·Indiana
·Iowa
·Kansas
·Kentucky
·Louisiana
·Maine
·Maryland
·Massachusetts
·Michigan
·Minnesota
·Mississippi
·Missouri
·Montana
·Nebraska
·Nevada
·New Hampshire
·New Jersey
·New Mexico
·New York
·North Carolina
·North Dakota
·Ohio
·Oklahoma
·Oregon
·Pennsylvania
·Rhode Island
·South Carolina
·South Dakota
·Tennessee
·Texas
·Utah
·Vermont
·Virginia
·Washington
·West Virginia
·Wisconsin
·Wyoming

Or choose your state from the map:

Contaminants in the United States