Nature and Science, 2009;1(6) Trivedi, et al, Evaluation of Water Quality Evaluation of Water Quality: Physico – Chemical Characteristics of Ganga River at Kanpur by using Correlation Study

Abstract: We present an extensive investigation of physico-chemical parameters of water samples of Ganga river at Kanpur. Water samples under investigations were collected from Jalsansthan Benajhawar Kanpur sampling station during pre monsoon (April- May), monsoon (July- August) and post monsoon (October- November) seasons in the year 2008. Correlation coefficients were calculated between different pairs of parameters to identify the highly correlated and interrelated water quality parameters and t-test was applied for checking significance. The observed values of different physico-chemical parameters like pH, temperature, turbidity, total hardness(TH) , Iron, Chloride, total dissolved solids(TDS) , Ca2+, Mg+2, SO4-2, NO3-, F-1, total alkalinity (TA) , Oxygen consumption (OC), Suspended solids (SS) of samples were compared with standard values recommended by world health organization (WHO). It is found that significant positive correlation holds for TA with Cl-, Mg+2, Ca+2, TH, TDS, fluoride and OC. A significant negative correlation was found between SS with chloride, Mg+2, TDS, fluoride and OC. All the physico- chemical parameters for pre monsoon, monsoon and post monsoon seasons are within the highest desirable or maximum permissible limit set by WHO except turbidity which was high while NO3-, Cl-1 and F- are less than the values prescribed by WHO. [Nature and Science. 2009;1(6):91-94]. (ISSN: 1545-0740)