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.
Report #2000-P-001385-00023, September 29, 2000
What Was Found
Water quality criteria identify the amount of a specific pollutant that may be present in the water and still consider the water safe.