coliform ferment lactose and are non pathogenic, non-coliform do not ferment lactose and are pathogenic (true pathogens)

at high sugar osmolirity of coliform disturb , so coliform killed or inhibit,,,,,

no it does not ferment lactose, therefore is not a coliform

A coliform count is a microbiological assay of the number of coliform-type bacteria living in a certain sample. This is often used as a measure of fecal contamination of water supplies.

It is 100 coliform cells for 100 ml water.