Radionuclide Medium Risk
Radium-228
Increased risk of cancer
Sources: Natural deposits
Regulatory Limit
Zero EPA Limit (5 pCi/L)
*Levels above the EPA limit are considered unsafe.
MCL Value
5 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 Radium-228 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 5 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 deposits National Overview
Total Tests
0
Violations Found
0
Violation Rate
0%
Treatment Methods
Ion exchange
Reverse osmosis
Lime softening
Is this in your water?
Find out if your local water system has detected Radium-228.
Frequently Asked Questions
What is Radium-228 and why is it in drinking water?
Radium-228 is a radionuclide contaminant. Common sources include: Natural deposits.
What are the health effects of Radium-228 in drinking water?
Increased risk of cancer
What is the EPA limit for Radium-228?
The EPA Maximum Contaminant Level (MCL) for Radium-228 is 5 pCi/L.
How can I remove Radium-228 from my water?
Effective treatment methods for removing Radium-228 include: Ion exchange, Reverse osmosis, Lime softening.
How do I test my water for Radium-228?
You can check your water system's annual Consumer Confidence Report for Radium-228 levels, or use a certified home water testing kit. WaterQ provides the latest EPA test data for all public water systems.