Water quality assessment conducted in the tributaries of Ganga River for microbial analysis in the year 2012 and 2013 has been done. For the study Devprayag is selected at river Ganga in Uttarakhand at which is the confluence of river Alaknanda and Bhagirathi. All samples were positive for E. coli, which indicates fecal pollution of water. The MPN count ranges from 15 to 46 MPN/100 ml for the water samples from rivers Alaknanda and 16 to 35 MPN/100 ml water samples from rivers Bhagirathi. The SPC count ranges from 10 to 49 SPC/ml x1000 for the water samples from rivers Alaknanda and 21 to 49 SPC/ml x1000 water samples from rivers Bhagirathi. The fecal coliform counts also exceeding the standard limit for water. The Isolated organisms were identified to be Staphylococcus aureus, Salmonella species, Escherchia coli, Pseudomonas aerugionosa, Enterobacter aerogenes and Shigella species.
