Definitions for "Coliforms"
A group of bacteria found in the intestines and faeces of most animals and sometimes in untreated water.
A family of bacteria (germs) which occur in large numbers in our intestines and faeces (poo). If found in water, it means the water has been recently contaminated by faeces. One coliform, Escherichia coli or E. coli, is used as an indicator of whether water is polluted by faeces.
a general term applied to some species of bacteria, especially E. coli, whose presence in water is an indication of contamination