Cryptosporidium
Cryptosporidium is a microscopic parasite that causes the diarrheal disease cryptosporidiosis. It is resistant to chlorine disinfection and can survive in water for long periods. The parasite is transmitted through the fecal-oral route, often via contaminated drinking water or recreational water.
EPA MCLG Level
0 N/A
Maximum level that poses minimal health risk based on the latest science
Health Effects
Infection with Cryptosporidium can lead to severe diarrhea, stomach cramps, dehydration, nausea, and vomiting. In immunocompromised individuals, the infection can be life-threatening.
Affected Organs & Systems:
Common Sources
- Contaminated water sources
- Animal waste
- Agricultural runoff
How to Remove It
Water filters certified under the following NSF standards are effective at removing Cryptosporidium:
EPA MCLG Level
The EPA MCLG represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Cryptosporidium is classified as a Protozoa contaminant.
This contaminant primarily affects the Gastrointestinal system, Immune system.
Check Your Water
Find out if Cryptosporidium is in your tap water.
Search Your CityTest Your Water for This Contaminant
Public water reports may not test frequently enough or at your specific tap. Professional home testing provides current, location-specific results.

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