Coliform bacteria populations are routinely monitored in drinking water supplies, swimming pools, and at beaches because these bacteria
A) Are especially toxic to animals
B) May mutate into severely pathogenic strains
C) Indicate the presence of feces in water
D) Usually live in pesticide-contaminated water
E) Are more difficult to find in water

Question

Quizplus · Accepted Answer

Coliform bacteria, including E. coli, are used as indicator organisms to signal the presence of fecal contamination in water. Their presence suggests that other pathogenic organisms of fecal origin may also be present, posing a risk to human health.

Coliform Bacteria Populations Are Routinely Monitored in Drinking Water Supplies