IWA Publishing

Skip to Main Content

Table 2

Pearson correlation coefficient among various groundwater quality parameters

	pH	EC	TDS	TH	TA	SO₄²⁻	Cl⁻	Ca²⁺	Mg²⁺	K⁺
EC	–0.67*
TDS	–0.68*	0.99*
TH	–0.68*	0.96*	0.97*
TA	0.24	–0.14	–0.21	0.85*
SO₄²⁻	–0.53*	0.86*	0.87*	0.90*	–0.21
Cl⁻	–0.71*	0.98*	0.99*	0.96*	–0.23	0.81*
Ca²⁺	–0.69*	0.94*	0.96*	0.97*	–0.34	0.87*	0.94*
Mg²⁺	–0.65*	0.94*	0.96*	0.98*	–0.16	0.88*	0.94*	0.93*
K⁺	–0.67*	0.98*	0.99*	0.96*	–0.20	0.85*	0.99*	0.95*	0.93*
Na⁺	–0.66*	0.90*	0.97*	0.89*	–0.16	0.79*	0.97*	0.93*	0.87*	0.97*

	pH	EC	TDS	TH	TA	SO₄²⁻	Cl⁻	Ca²⁺	Mg²⁺	K⁺
EC	–0.67*
TDS	–0.68*	0.99*
TH	–0.68*	0.96*	0.97*
TA	0.24	–0.14	–0.21	0.85*
SO₄²⁻	–0.53*	0.86*	0.87*	0.90*	–0.21
Cl⁻	–0.71*	0.98*	0.99*	0.96*	–0.23	0.81*
Ca²⁺	–0.69*	0.94*	0.96*	0.97*	–0.34	0.87*	0.94*
Mg²⁺	–0.65*	0.94*	0.96*	0.98*	–0.16	0.88*	0.94*	0.93*
K⁺	–0.67*	0.98*	0.99*	0.96*	–0.20	0.85*	0.99*	0.95*	0.93*
Na⁺	–0.66*	0.90*	0.97*	0.89*	–0.16	0.79*	0.97*	0.93*	0.87*	0.97*

*Significant differences at 95% level.