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.
Screenshot of an email querying WaterNow. In the subject field, entering a site number (followed by a space) and multiple parameter codes (separated by commas, with no spaces) returns the most recent observation of those parameter codes.
Public Domain.
