Cryptosporidium (protozoan)

GENERAL INFORMATION
Cryptosporidium is a single-celled protozoan parasite commonly found in lakes and rivers, especially when the water is contaminated with sewage and animal waste.

HEALTH EFFECTS
Cryptosporidium can cause gastrointestinal illness (e.g., diarrhea, vomiting, cramps).

Standard value 1: 
0.00
Standard units 1: 
count/100gal
Input units: 
count/100gal
Display name: 

Cryptosporidium

Contaminant group: 
Typical range in Ohio: 
Assumed to be in any untreated surface water. Detection in water well suggest direct surface water influence.
Major sources in drinking water: 
Fecal sources from warm blooded animals. Assumed to be in untreated surface water. Not typically found in properly constructed water wells. Detection in water well suggest direct surface water influence.
Treatment options: 

TREATMENT OPTIONS
Cryptosporidium is resistant to low levels of chemical disinfection such as chlorine. Use ultraviolet Light (NSF Std 55 Class A), NSF Std 53 one micron filters, or slow sand filter.

Website resources: 

WATER RESOURCES