Correlation and Multiple linear regression analysis was used to establish the degree of relationship and variability of groundwater quality parameters around Solous 1 and 2 Dumpsites, in Igando, Lagos, for the wet and the dry seasons. The correlation between TDS and other hydrochemical parameters which constituted the independent variables were positive, with significantly high positive correlation exhibited between TDS and EC for the wet season. For the dry season, the correlation between TDS and other groundwater quality parameters (EC, NO3- and Cl- ) was positive, while its correlation with Zn2+ and Fe2+ was negative. The results of the multiple linear regressions for the wet and the dry seasons indicate that the model accounts for 96.8 percent and 93.9 percent, respectively of the variance of TDS concentration of groundwater around the dumpsites.@JASEM
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