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Central Water Commission

(Serving the nation since 1945)

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

Revised Draft Concept Note on "Premissible Velocity in Concrete Lined Water Condutor System (Head Race Tunnel) Conveying Water for Power Generation ( Comments may be sent latest by 15th July 2019) : Click here ..Read More

02/07/2019

The total water available in live storage of 91 reservoirs in the country being monitored by CWC was 30.461 BCM as on 06.06.2019.This is 19% of the total live storage capacity of these reservoirs and 103% of storage of average of last ten years : ..Read More

04/06/2019

5th meeting of Program Implementation Review Committee(PIRC) for CADWM, Mount Abu, 30 May 2019- chaired by Member (WP&P), CWC. Commissioner (CAD) MoWR, RD & GR, 12 Regional offices of CWC and 17 States and others participated in it.

04/06/2019

3rd Meeting of Cauvery Water Management Authority (CWMA) was held on 28 May 2019 under the Chairmanship of Sh. S.Masood Husain, Chairman, CWMA & CWC at CWC-HQ, New Delhi.

04/06/2019

User Manual For Uploading Publication/Flood Forecast on CWC website.Click here.

31/05/2019