This third edition of report on "water quality hotspots in rivers of India” is based on the data of 10 nos. of water quality parameters observed during 2010-2020 at 588 water quality monitoring stations out of 764 stations of CWC.

The Ministry of Environment, Forest and Climate on 6th August, 2021 has issued the Environment (Protection) Second Amendment Rules, 2021. The amendment has provided a list of Pharmaceutical Bulk Drugs and Formulations and has provided the effluent standards for the same.

The water quality of five major rivers in the country, including the Ganga, deteriorated during the coronavirus-induced lockdown due to factors like release of sewage and no fresh water discharge from the upstream, the Central Pollution Control Board said.

The investigated water quality analysis results of these (Sirhind Feeder Canal, Rajasthan Feeder Canal and Indira Gandhi Canal) canals from 25 selected locations are compared with the BIS 10500:2012 standards and CPCB standards for Designated Best Use.

Question raised in Lok Sabha on Polluted Rivers, 12/12/2019. Central Pollution Control Board (CPCB) in association with the State Pollution Control Boards (SPCBs)/ Pollution Control Committees (PCCs) monitors the water quality of rivers on a regular basis across the country through a network of monitoring stations.

Question raised in Rajya Sabha on Action Plan for Pollution Free Rivers, 08/07/2019. The 351 river stretches on 323 rivers are prioritised based on BOD values in five classes.