Fecal Coliforms are Useful Indicator Organisms for the Contamination of Water

Question

Fecal coliforms are useful indicator organisms for the contamination of water by _________.
A)agricultural fertilizer runoff
B)sewage
C)phosphates
D)All of these choices are correct.

Accepted Answer

Fecal coliforms are a group of bacteria found in the intestinal tract of warm-blooded animals, including humans. Sewage is a common source of fecal coliform contamination in water. While agricultural fertilizer runoff and phosphates can also contribute to water contamination, they are not directly related to fecal coliforms.