Escherichia coli. Is considered to be a good indicator to identify faecal contamination in water. However, it is not an ideal indicator. Why is that? Please select one answer.
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E. coli is widely accepted as the better faecal indicator organism than total coliforms. Contamination of water supplies by pathogenic strains like E. coli O157:H7 is more serious but usually localised. ... Another important aspect of faecal contamination of rivers and lakes is its effect on fish.
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