Frequent Questions

Does the Safe Drinking Water Act regulate radon?

There is currently no federally enforced drinking water standard for radon (Radon in Drinking Water: Questions and Answers, EPA815-F-99-007, October 1999). EPA proposed regulations to reduce the public health risks associated with radon in air and water on November 2, 1999. According to the December 2007 Regulatory Agenda, the current timeframe for final action on the Radon Proposed Rule is May 2009 (72 FR 70118; December 10, 2007).

For more information on radon in drinking water, visit our Web site at

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