<prompt> Presumptive count includes -No E. ColiColiform but not only E. ColiGram ne gative bacilliAny bacteria  <response>: Presumptive coliform count estimates the most probable number of COLIFORM organisms and not only E.coli in 100 ml of water. It is done with the help of McConkeys Lactose Bile Salt Broth with bromcresol purple as an indicator. Parks Textbook of Preventive and Social Medicine, 25th edition, Page No. 786 