Drinking Water Requirements for States and Public Water Systems

Total Coliform Rule Compliance Help for Primacy Agencies

This document provides guidance to states, tribes, and the EPA Regions exercising primary enforcement responsibility under the Safe Drinking Water Act (SDWA). It contains EPA’s current policy recommendations for complying with the RTCR.

For more information, please see the Revised Total Coliform Rule and Total Coliform Rule page.

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