	pH	EC	TDS	BOD	NTU	COD	Fe²⁺	Mg²⁺	Ca²⁺	NH₃	$N O_{3}^{-}$	$C a C O_{3}^{-}$
pH	1.000
EC	0.894	1.000
TDS	0.790	0.809	1.000
BOD	0.835	0.579	0.650	1.000
NTU	0.513	0.219	0.022	0.660	1.000
COD	−0.603	−0.648	−0.263	−0.480	−0.495	1.000
Fe²⁺	0.788	0.745	0.733	0.565	0.370	−0.320	1.000
Mg²⁺	0.709	0.761	0.914	0.624	0.059	−0.157	0.705	1.000
Ca²⁺	0.901	0.724	0.804	0.925	0.397	−0.435	0.584	0.725	1.000
NH₃	−0.145	−0.416	−0.321	0.353	0.353	0.001	−0.511	−0.238	0.171	1.000
$N O_{3}^{-}$	0.648	0.579	0.276	0.612	0.451	−0.667	0.084	0.272	0.665	0.361	1.000
$C a C O_{3}^{-}$	0.840	0.844	0.741	0.610	0.411	−0.569	0.627	0.645	0.672	−0.305	0.547	1.000