PC 1

PC 2

PC 3

EC

−0.955

−0.155

0.075

Ca²⁺

−0.185

−0.933

0.019

Mg²⁺

−0.319

−0.889

0.021

K⁺

−0.900

0.131

−0.038

Na⁺

−0.965

0.132

0.044

Cl⁻

−0.907

−0.246

0.111

${\text{SO}}_4^{2-}$

−0.334

−0.281

−0.564

${\text{HCO}}_3^{-}$

−0.706

0.425

−0.097

${\text{NO}}_3^{-}$

−0.101

−0.035

0.844

F⁻

−0.752

0.504

−0.025

Eigenvalue

4.821

2.305

1.067

% of Variance

47.984

22.944

10.617

cumulative % of the variance

47.984

70.929

81.545