Inorganic Low Risk
Thallium
Hair loss, kidney/intestine/liver damage
Sources: Natural deposits, Electronics manufacturing, Drug production
Regulatory Limit
Zero EPA Limit (2 μg/L)
*Levels above the EPA limit are considered unsafe.
MCL Value
2 μg/L
Goal (MCLG)
0 μg/L
Violating Systems
0 nationwide
Affected Population
0 estimated
Avg Detected Level
0 μg/L in affected systems
Health Risk Assessment
Exposure to Thallium in drinking water is regulated because of its potential to cause hair loss, kidney/intestine/liver damage. The EPA has set the Maximum Contaminant Level (MCL) at 2 μg/L to protect public health.
Note: Long-term exposure above the MCL can significantly increase health risks.
Detailed Health Effects
Hair loss, kidney/intestine/liver damage
Common Sources
1
Natural deposits 2
Electronics manufacturing 3
Drug production National Overview
Total Tests
0
Violations Found
0
Violation Rate
0%
Treatment Methods
Ion exchange
Activated alumina
Is this in your water?
Find out if your local water system has detected Thallium.
Frequently Asked Questions
What is Thallium and why is it in drinking water?
Thallium is a inorganic contaminant. Common sources include: Natural deposits, Electronics manufacturing, Drug production.
What are the health effects of Thallium in drinking water?
Hair loss, kidney/intestine/liver damage
What is the EPA limit for Thallium?
The EPA Maximum Contaminant Level (MCL) for Thallium is 2 μg/L.
How can I remove Thallium from my water?
Effective treatment methods for removing Thallium include: Ion exchange, Activated alumina.
How do I test my water for Thallium?
You can check your water system's annual Consumer Confidence Report for Thallium levels, or use a certified home water testing kit. WaterQ provides the latest EPA test data for all public water systems.