Foreword

The Central Pollution Control Board (CPCB) in collaboration with the Statc Pollution Control Boards (SPCBs) is monitoring the Water Quality at 507 sites in different parts of the country The monitoring sites are spread over all the major rivers, some medium and minor rivers, lakes, canals, creeks, ponds, drains, tanks and ground-water resources. Monitoring is conducted by respective SPCBs on monthly or quarterly basis except on yearly basis at 3 locations of Gangotri, Yamunotri and Hanumanchatti of Ganga Basin The data are transmitted by SPCBs through a computer network After collating and processing the data, CPCB brings out the Water Quality Status and Statistics Reports on yearly basis for dissemination of infonnation. Water quality status vis-a-vis standards at individual sites indicating critical parameters (in case or deterioration) is olso updated regularly on CPCB's web site The present report is the tenth of the series on Water Quality Monitoring Statistics.

The present report gives the water qualIty status and statistics of various rivers, lakes canals, creeks, ponds, tanks and wells for the year 1999 The water quality profiles of 14 major rivers have been presented in Chapter 2 and Water quality Status vis-a-vis standards at the individual sites indicating crititcal parameters ( in case of deterioration) is provided for each riverine system in Chapter 3 , for lakes, canals, creeks, ponds, drains & tanks in Chapter 4 and for wells in Chapter 5.

The co-operation of SPCBs in the water quality monitoring programme is acknowledged We hope, the report will be useful to all those concerned with water quality management in the country.