An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Water Quality Surveillance and Response

Primers for Water Quality Surveillance and Response

A surveillance and response system (SRS) provides a systematic framework for enhancing distribution system monitoring capabilities to detect emerging water quality issues and respond before they become problems. SRSs consist of one or more of the potential six components shown in the diagram below.

Video Format

PDF Format

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.