Chapter 29, Problem 7SA

Summary Introduction

To review:

The reason behind looking for only coliforms rather than all the pathogens in water testing procedures.

Introduction:

The water testing procedures are aimed to determine the presence of contamination from any kind of pathogen including bacteria, fungi, or protozoa. The coliforms are the lactose fermenting bacteria that are commonly found in the fecal matter, water body, and in the intestine. Rather than checking the presence of all the harmful pathogens, the presence of coliforms is only checked by the microbiologists