An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Drinking Water Requirements for States and Public Water Systems

Research and Information Collection Partnership Meeting Summary

The Total Coliform Rule/Distribution System Advisory Committee (TCRDSAC) was responsible for defining what information about distribution systems is needed to better understand and address possible public health impacts from potential degradation of drinking water quality.

The Advisory Committee recommended formation of a Research and Information Collection Partnership (RICP). The responsibilities of the RICP are found in Section 4.0 of the TCRDSAC Agreement in Principle.

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