Drinking Water Requirements for States and Public Water Systems

Total Coliform Rule Distribution System Advisory Committee Agreement in Principle

On September 18, 2008, members of the Total Coliform Rule/Distribution System Advisory Committee (TCRDSAC) signed an Agreement in Principle (AIP). The AIP recommended revisions to the 1989 Total Coliform Rule (TCR). It included research needed to better understand potential public health impacts from conditions in the distribution system.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.