Definitions for "Coliform"
A group of related bacteria whose presence in drinking water may indicate contamination by disease-causing microorganisms.
Coliform Organism similar to E. coli. Drinking water is often tested for coliforms, and a positive test is followed by the more specific (and difficult) test for E. coli or for ‘fecal coliforms'.
Bacteria that originates from the gut of animals. When found in water, it can indicate sewage, industrial use or other sources of contamination.