E. coli bacteria: microscopic organism indicates fecal contamination.

E. coli bacteria

Escherichia coli or E. coli is a type fecal coliform bacteria that is commonly found in the intestines of animals and humans. E. coli in water is a strong indicator of sewage or animal waste contamination. Sewage and animal waste can contain many types of disease causing organisms. Consumption may result in severe illness; children under five years of age, those with compromised immune systems, and the elderly are particularly susceptible.

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