Question raised in Rajya Sabha on Polluted stretches of the rivers, 11/02/2019. The Central Pollution Control Board (CPCB) in association with the State Pollution Control Boards (SPCBs)/Pollution Control Committees (PCCs) monitors the water quality of rivers across the country through a network of monitoring stations under the National Water Quality Monitoring Programme. As per the report published by CPCB in September 2018, 351 polluted river stretches have been identified on 323 rivers, spread over 29 States and 2 Union Territory, as per stretch-wise & State-wise details given at Annexure.