WATER QUALITY INDEX OF RED HILLS LAKE (PUZHAL LAKE), CHENNAI, INDIAHaseeb Banu K., S. Susithra, R. Lucky and Nausheen DawoodAbstract Phsysico-chemical characteristics of Red Hills Lake, Chennai were studied for 3 months to assess its potability for public consumption from two different sites. A mathematical formula based on nine Physicochemical parameters has been designed to assess the pollution level and quality of water. Values obtained were compared with standards recommended by ICMR. The mathematical formulation prepared by Kaur et al. (2001) has been employed in the present study. The corresponding water quality indices (WQI) of red hills lake was worked out and is reported.
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