EPAProposed Rule
National Primary Drinking Water Regulations; Radon-222 [W-99-08-II-A-2]
HealthcareEnvironment
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Summary
The EPA is proposing new rules to limit radon-222, a radioactive gas that can seep into drinking water and pose health risks. This regulation would set safety standards for radon in public water supplies to protect Americans from potential cancer and other health problems caused by drinking contaminated water.
Key Points
- 1Radon-222 is a naturally occurring radioactive gas that can dissolve in groundwater and contaminated drinking water supplies
- 2The EPA is setting maximum allowable levels of radon in public drinking water to protect public health
- 3This is a proposed rule, meaning the EPA is still gathering public feedback before making it official
- 4Water utilities will need to test their water for radon and take steps to reduce it if levels exceed the new limits
- 5People who get water from public systems will benefit from safer drinking water with reduced radon contamination
Key Dates
Published
July 18, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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