Drinking Water Requirements for States and Public Water Systems

Total Coliform Rule (TCR) Federal Register Notice

This document provides the FR notice to 40 CFR Parts 141 and 142 Drinking Water: National Primary Drinking Water Regulations; Total Coliforms (Including Fecal Coliforms and E. Coli); Final Rule (26 pp, 5 M). The purpose of the 1989 TCR is to protect public health by ensuring the integrity of the drinking water distribution system and monitoring for the presence of microbial contamination. 

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