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Central Water Commission

(Serving the nation since 1945)

Water Management

Water Quality

Central Water Commission is monitoring the water quality of rivers since late 1950s and presently its water quality network is spread all over India. The water quality network of CWC is incidental to hydrological observation network. Central Water Commission is monitoring water quality at 396 key locations covering all the major river basins of India. At present CWC WQ network covers 67 main rivers, 129 tributaries and 50 sub-tributaries. CWC is maintaining a three tier laboratory system for analysis of the parameters. The level- I laboratories are located at 370 field water quality monitoring stations (part of 878 existing sites) on major rivers of India where physical parameters such as temperature, colour , odour specific conductivity, total dissolved solids, pH and dissolved oxygen of river water are observed . There are 18 level –II laboratories located at selected division offices to analyse 25 nos. physico- chemical characteristics and bacteriological parameters of river water. 5 level-III / II+ laboratories are functioning at Varanasi, Delhi, Guwahati, Hyderabad and Coimbatore where 41 parameters including heavy metals / toxic parameters are analysed. The following procedure is followed in CWC for classification of stations, sampling frequency, identification of parameters and their analysis.

What's New in CWC

A Brainstorming Session with Former Chairmen / Members of CWC was held on 11.5.2019 at New Delhi to discuss various aspects related to role and activities of CWC and to seek their advice for improvement of the same.

new item
21/05/2019

Draft Concept Note on "Premissible Velocity in Concrete Lined Water Condutor System (Head Race Tunnel) Conveying Water for Power Generation.(Uploaded in Circular section for comments within three weeks)

16/05/2019

The total water available in live storage of 91 reservoirs in the country being monitored by CWC was 44.459 BCM as on 18.04.2019.This is 27% of the total live storage capacity of these reservoirs and 103% of storage of average of last ten years. The overall storage position is more than the ..Read More

22/04/2019

Chairman, Central Water Commission handed over Emergency Action Plan document of Hirakud Dam to Principal Secretary, Odisha Water Resources Department on January 10 , 2019 at Rajiv Bhawan, Bhubaneswar. The EAP has been prepared under DRIP to act as model document for other Dam owners.

10/01/2019

Govt of Gujarat has signed MoU on 7th January 2019 with Central Water Commission and CWPRS at Gandhinagar for Implementation of Coastal Management Information System (CMIS) in the State.

10/01/2019