New York City has long been praised for its top-quality tap water, but is it really the best? A new report analyzed travelers ...

The quality of any body of surface ... is centred on primary prevention of waterborne and water-related diseases. The document provides background information on the burden of disease, linkages ...

The drinking water quality metric is one of many that factor into the overall Best States rankings. See the Best States methodology for a detailed look at the data behind the analysis. 50 States ...

The air and water quality subcategory informs the best states for natural environment rankings and the overall Best States rankings. It comprises two measures: the number of days with an air ...