Table 3.

Contamination Assessment of Groundwater

	Component
	1	2	3	4	5	6	7
Temp.	0.751	0.123	0.433	−0.135	0.243	−0.208	−0.025
Salinity	0.567	0.504	0.064	0.488	0.102	0.082	−0.116
TDS	0.440	0.616	−0.150	0.092	0.424	0.266	0.207
pH	−0.044	0.027	−0.477	0.814	−0.099	−0.087	0.028
EC	0.590	0.462	0.137	−0.215	−0.100	0.466	0.214
SO4	−0.390	0.402	0.388	0.438	−0.381	0.324	0.189
NO3	−0.493	0.437	0.028	−0.225	−0.437	0.371	0.376
Cl	0.150	−0.522	−0.298	0.132	0.218	−0.055	0.606
CO3	−0.644	0.065	0.343	−0.224	0.602	0.180	−0.021
HCO3	−0.669	0.143	0.360	−0.094	0.534	0.194	−0.207
Ca	0.130	0.586	−0.580	−0.327	−0.253	0.100	−0.252
Mg	0.434	0.167	0.529	−0.199	0.217	−0.090	0.387
Na	0.612	−0.588	0.422	0.095	−0.168	0.146	−0.092
K	0.104	−0.629	0.046	0.314	0.140	0.408	−0.028
Cu	0.420	−0.150	−0.667	−0.502	−0.094	0.109	0.025
Cd	−0.536	−0.675	−0.153	0.195	0.004	0.146	0.199
Fe	−0.054	0.618	0.494	0.450	−0.187	−0.157	−0.105
As	−0.250	0.062	0.462	−0.234	−0.331	−0.571	0.287
Pb	0.128	0.422	−0.473	0.322	0.418	−0.286	0.200
Zn	0.612	−0.588	0.422	0.095	−0.168	0.146	−0.092
Total	4.220	4.011	3.071	2.206	1.815	1.354	1.094
% Variance	21.10	20.05	15.35	11.03	9.08	6.771	5.472

Abbreviation: Temp., temperature.