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Regulations under Development

National Primary Drinking Water Regulations

This section focuses on the current regulatory status of certain contaminants and public water system operations. The public has many opportunities for involvement in EPA's rulemaking process, from stakeholder and early involvement meetings, to review and commenting on Notices of Data Availability and formal rule proposals in the Federal Register.  EPA rulemaking also involves small business and tribal government consultations and official committees established under the Federal Advisory Committee Act (FACA).  EPA publishes a list of public meetings on issues ranging from proposed regulations to the development of databases and publishes a list of public meetings and regulations and draft documents that are open for comment in the Federal Register.

Total Coliform

EPA established a committee under the Federal Advisory Committee Act whose purpose is to provide advice and make recommendations to the Agency on revisions to the existing Total Coliform Rule, Rule Distribution System Advisory Committee. On September 18, 2008, the Committee signed an Agreement in Principle (AIP)(PDF) that recommends revisions to the 1989 Total Coliform Rule.


The 1996 Safe Drinking Water Act Amendments required EPA to establish a multimedia approach to address the public health risks from radon.EPA proposed regulations to reduce the public health risks associated with radon in air and water on November 2, 1999.

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