Question raised in Rajya Sabha on Prevention of Water Pollution in Ganga, 05/12/2016. Water quality monitoring of river Ganga is being carried out by CPCB from Gangotri to Diamond Harbour. The overall water quality data as well station wise water quality data of last three years i.e 2013-15 indicates: The river water quality is conforming the bathing criteria for Dissolved oxygen (DO) at most of the locations from 2011 to 2015; The long term assessment of water quality data indicates that the river water quality is not conforming to the notified criteria for bathing for Biological Oxygen Demand (BOD) between the river stretches from Down Stream Raiwala to Haridwar in Uttrakhand, from Kannauj to Trighat in Uttar Pradesh and from Baharampore to Uluberia in West Bengal. However, the stretches falling in the state of Bihar have been reported relatively clean in term of organic pollution; and Except for few locations in the upper stretch of the river, the river does not conform to the water quality criteria for Fecal Coliform of 2500 MPN/100ml.