Water Quality Statistics of India 1991

                                               Foreword

As per its mandate, One of the important functions of the Central Pollution Control Board is collect, compile and publish technical and statistical data relating to 'water pollution. For collection of data on water quality in rivers, lakes and groundwater, a network of 480 monitoring stations has been established over the years.

The monitoring is conducted by the respective State Boards. For transmission of data from State Boards to the Central Board, computerised facilities have been introduced in the Central Board and the State Boards.

The present report covering water quality date of 19 is the- fourth in the series of Water Quality Statistics of India. The additional features of this report are trend analysis and water quality status vis-a-vis standards as presented in chapter 2.

We hope that this report will be useful to all those concerned with water qulity management in the country.
 

Dilip Biswas
Chairman, CPCB
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