Fact Sheet: Second Six-Year Review of Drinking Water Standards
The reason EPA reviewed the existing national primary drinking water regulations,
How EPA reviewed the regulations, and
The overall results of the review.
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.