Table 2.

Significant principal components (PCs) loading for hydrochemical parameters in the study area.

Component	Initial eigenvalues			Component
	Total	% of Variance	Cumulative %	Parameters	PC1	PC2	PC3
1	5.454	49.578	49.578	pH	−0.150	0.697	−0.209
2	2.081	18.916	68.494	EC	0.986	0.121	0.095
3	1.218	11.076	79.570	TDS	0.983	0.119	0.120
4	0.709	6.446	86.015	Na+	0.945	0.286	0.029
5	0.671	6.102	92.117	K+	0.213	−0.170	0.712
6	0.541	4.920	97.037	Ca2+	−0.017	−0.708	−0.017
7	0.227	2.062	99.099	Mg2+	0.747	−0.412	0.180
8	0.093	0.846	99.945	Cl−	0.958	−0.193	0.041
9	0.005	0.049	99.994	SO42−	0.945	0.030	0.078
10	0.001	0.005	99.999	HCO3−	0.272	0.835	0.074
11	0.000	0.001	100.000	NO3−	−0.023	0.067	0.870

Bold numbers indicate highly positive PC loadings of one parameter.