Coliform+bacteria8

The test used for finding coliform bacteria is the membrane filter.

The membrane filter is a fine porosity filter which can retain bacteria.

The test is for fecal coliform bacteria.

Coliform bacteria are not pathogenic, but pathogenic organisms usually accompany coliform bacteria.

The coliform bacteria gets into the stream by animal droppings

Coliform bacteria can be prevented by ensuring good sewage treatment.

It lives in warm temperatures.