Question raised in Rajya Sabha on Level of pollution in rivers, 07/12/2015
Question raised in Rajya Sabha on Level of pollution in rivers, 07/12/2015. The Water Resources Information System (WRIS) database developed by Central Water Commission alongwith Indian Space Research Organisation includes 15615 numbers of identified rivers/streams in the country. The basin-wise number of rivers/streams identified are at Annexure-I. Discharge of untreated and partially treated sewage from cities / towns and industrial effluents constitute a major source of pollution in rivers. As per the report published by Central Pollution Control Board (CPCB) in February 2015, 302 polluted river stretches have been identified on 275 rivers based on Bio-chemical Oxygen Demand (BOD) levels, a key indicator of organic pollution. The State-wise details are at Annexure-II.