Microbial Medium Risk
Giardia lamblia
Giardiasis: diarrhea, cramps, nausea
Sources: Contaminated surface water, Animal waste
Regulatory Limit
Zero EPA Limit (0 organisms/L)
*Levels above the EPA limit are considered unsafe.
MCL Value
0 organisms/L
Goal (MCLG)
0 organisms/L
Violating Systems
0 nationwide
Affected Population
0 estimated
Avg Detected Level
0 organisms/L in affected systems
Health Risk Assessment
Exposure to Giardia lamblia in drinking water is regulated because of its potential to cause giardiasis: diarrhea, cramps, nausea. The EPA has set the Maximum Contaminant Level (MCL) at 0 organisms/L to protect public health.
Note: Long-term exposure above the MCL can significantly increase health risks.
Detailed Health Effects
Giardiasis: diarrhea, cramps, nausea
Common Sources
1
Contaminated surface water 2
Animal waste National Overview
Total Tests
0
Violations Found
0
Violation Rate
0%
Treatment Methods
Filtration
Disinfection
Is this in your water?
Find out if your local water system has detected Giardia lamblia.
Frequently Asked Questions
What is Giardia lamblia and why is it in drinking water?
Giardia lamblia is a microbial contaminant. Common sources include: Contaminated surface water, Animal waste.
What are the health effects of Giardia lamblia in drinking water?
Giardiasis: diarrhea, cramps, nausea
What is the EPA limit for Giardia lamblia?
The EPA Maximum Contaminant Level (MCL) for Giardia lamblia is 0 organisms/L.
How can I remove Giardia lamblia from my water?
Effective treatment methods for removing Giardia lamblia include: Filtration, Disinfection.
How do I test my water for Giardia lamblia?
You can check your water system's annual Consumer Confidence Report for Giardia lamblia levels, or use a certified home water testing kit. WaterQ provides the latest EPA test data for all public water systems.