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What is caused by pathogens presented in drinking water?

Updated: 8/17/2019
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14y ago

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Originally, fecal contamination was determined with the presence of coliform bacteria, a convenient marker for a class of harmful fecal pathogens. The presence of fecal coliforms (like E. Coli) serves as an indication of contamination by sewage. Additional contaminants include protozoan oocysts such as Cryptosporidium sp., Giardia lamblia, Legionella, and viruses (enteric). Microbial pathogenic parameters are typically of greatest concern because of their immediate health risk.

http://en.wikipedia.org/wiki/Drinking_water

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Q: What is caused by pathogens presented in drinking water?
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