Radionuclide Low Risk
Radon
Increased risk of cancer
Sources: Natural decay of uranium in soil
Regulatory Limit
Zero EPA Limit (300 pCi/L)
*Levels above the EPA limit are considered unsafe.
MCL Value
300 pCi/L
Goal (MCLG)
0 pCi/L
Violating Systems
0 nationwide
Affected Population
0 estimated
Avg Detected Level
0 pCi/L in affected systems
Health Risk Assessment
Exposure to Radon in drinking water is regulated because of its potential to cause increased risk of cancer. The EPA has set the Maximum Contaminant Level (MCL) at 300 pCi/L to protect public health.
Note: Long-term exposure above the MCL can significantly increase health risks.
Detailed Health Effects
Increased risk of cancer
Common Sources
1
Natural decay of uranium in soil National Overview
Total Tests
0
Violations Found
0
Violation Rate
0%
Treatment Methods
Aeration
Granular activated carbon
Is this in your water?
Find out if your local water system has detected Radon.
Frequently Asked Questions
What is Radon and why is it in drinking water?
Radon is a radionuclide contaminant. Common sources include: Natural decay of uranium in soil.
What are the health effects of Radon in drinking water?
Increased risk of cancer
What is the EPA limit for Radon?
The EPA Maximum Contaminant Level (MCL) for Radon is 300 pCi/L.
How can I remove Radon from my water?
Effective treatment methods for removing Radon include: Aeration, Granular activated carbon.
How do I test my water for Radon?
You can check your water system's annual Consumer Confidence Report for Radon levels, or use a certified home water testing kit. WaterQ provides the latest EPA test data for all public water systems.