The holy water of river Ganga has been highly polluted. It is due to the discharge of untreated sewage and industrial wastes. Effluents are discharged by industries in the river water. Besides this, man’s activities are making it more polluted day by day. Bathing, washing of clothes, immersion of ashes of the dead and dumping of unburnt corpses into the river water are some major causes of pollution of river Ganga.