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Drinking Water Requirements for States and Public Water Systems

Total Coliform Rule Compliance Help for Public Water Systems

EPA has developed the following materials for public water systems (for example, owners and operators) to assist in complying with the requirements of the Total Coliform Rule and Revised Total Coliform Rule. Please check and verify requirements with your state. State requirements may vary from the federal rule requirements as presented below.

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