A new study published in the journal Risk Analysis has identified the top four states with the most tap water violations.

A new national study has placed Wyoming County, West Virginia in the spotlight for having the highest number of water quality ...

A recent study has identified that the United States counties with "the most egregious water quality violations" are mainly found in four states: West Virginia, Pennsylvania, North Carolina, and ...

The U.S. counties with the most egregious water quality violations are concentrated in four states: West Virginia, Pennsylvania, North Carolina and Oklahoma, a new study has found.