Investigation of the Soan River Water Quality Using Multivariate Statistical Approach

Table 4

Pearson’s correlation matrix (postmonsoon).

	EC	pH	Turbidity	Alkalinity	HCO3	Ca	Cl	Hard.	Mg	K	Na	SO4	NO3	TDS	DO	BOD	COD	TSS
EC	1
pH	-0.697	1
Turbidity	-0.812	0.957	1
Alkalinity	0.999	-0.681	-0.800	1
HCO3	0.999	-0.681	-0.800	1.000	1
Ca	0.978	-0.695	-0.830	0.976	0.976	1
Cl	0.960	-0.710	-0.758	0.956	0.956	0.893	1
Hard.	0.999	-0.707	-0.823	0.999	0.999	0.976	0.957	1
Mg	0.828	-0.567	-0.612	0.832	0.832	0.696	0.904	0.836	1
K	0.972	-0.648	-0.806	0.969	0.969	0.990	0.874	0.970	0.704	1
Na	0.995	-0.720	-0.823	0.992	0.992	0.986	0.954	0.992	0.784	0.971	1
SO4	0.927	-0.611	-0.776	0.917	0.917	0.965	0.812	0.921	0.605	0.985	0.933	1
NO3	0.759	-0.621	-0.803	0.756	0.756	0.854	0.565	0.765	0.364	0.873	0.769	0.893	1
TDS	1.00	-0.697	-0.812	0.999	0.999	0.978	0.960	0.999	0.828	0.972	0.995	0.926	0.759	1
DO	-0.938	0.866	0.890	-0.931	-0.931	-0.911	-0.955	-0.938	-0.794	-0.868	-0.951	-0.812	-0.659	-0.938	1
BOD	0.895	-0.769	-0.832	0.874	0.874	0.851	0.903	0.894	0.802	0.868	0.888	0.861	0.661	0.895	-0.884	1
COD	0.978	-0.667	-0.758	0.970	0.970	0.930	0.980	0.974	0.867	0.931	0.970	0.894	0.652	0.978	-0.925	0.940	1
TSS	-0.820	0.920	0.986	-0.810	-0.810	-0.825	-0.756	-0.834	-0.657	-0.823	-0.818	-0.793	-0.825	-0.820	-0.852	-0.768	0.860	1

Correlation is significant at the 0.05 level (2-tailed); Correlation is significant at the 0.01 level (2-tailed).