Research Article

Evaluation of Groundwater for Arsenic Contamination Using Hydrogeochemical Properties and Multivariate Statistical Methods in Saudi Arabia

Table 3

Pearson correlation matrix for the hydrochemical properties indicating the extent of effect of parameters.

pH
EC (μS/cm)
Na+K+Ca+Mg+ Cl

EC (μS/cm)0.469
Na+ 0.113 −0.026
K+−0.116−0.242 0.561
Ca+−0.174−0.411 0.207 0.630
Mg+−0.210−0.272 0.725 0.826 0.617
−0.519−0.520−0.013 0.374 0.241 0.381
Cl−0.101−0.152 0.153 0.422 0.614 0.526 0.076
0.105 −0.208−0.014 0.297 0.735 0.244 −0.098 0.531
−0.347−0.344 0.014 0.706 0.720 0.607 0.521 0.502 0.370
As (ug/L) 0.183 −0.055 0.343 0.349 0.270 0.485 −0.049 0.709 0.347 0.108