WATER QUALITY INDEX OF GROUND WATER IN AND AROUND TIRUNELVELI DISTRICT, TAMIL NADU, INDIA.
J.Sirajudeen*, M.Kadhar Mohidheen** and R.Abdul Vahith*
ABSTRACT
The present work is aimed to water quality index (WQI) for the groundwater samples collected in and around Sivagiri and Tenkasi taluks, Tirunelveli District during the year 2012. For calculating the WQI, the following 11 parameters have been considered: pH, EC, TDS, TH, DO, COD, BOD, Cl-, NO3, Ca and Mg .The WQI for these samples ranged greater than 75(170.3) .The analysis reveals that the groundwater for all the samples indicating that the water is and unfit for drinking and domestic purpose of the area needs some degree of treatment before consumption and it also needs to be protected from the perils of contamination.
Keywords: Physico-chemical parameters, Tirunelveli District, Water quality index.
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