Spearman'rank correlation coefficients for physicochemical parameters of groundwater for the wet season (March-May, 2018). Strong correlation between variables are specified by coefficients in bold fonts.

Table 3: Spearman'rank correlation coefficients for physicochemical parameters of groundwater for the wet season (March-May, 2018). Strong correlation between variables are specified by coefficients in bold fonts.

	pH	TDS	EC	Cl^-	Na⁺	SO^-2₄	F^-	Ca²⁺	K⁺	CO₂	H₂CO₃	HCO^-₃	CO⁼₃	H₂S	NH^-₄
pH	1.000	0.010	-0.007	-0.239	0.621^**	0.225	0.873^**	-0.557^*	-0.161	-0.317	-0.980^**	-0.24	0.978^**	-0.041	-0.666^**
TDS		1.000	0.991^**	-0.636^**	0.704^**	-0.235	0.258	0.003	-0.019	0.231	0.045	0.287	0.072	-0.350	0.134
EC			1.000	-0.645^**	0.686^**	-0.226	0.224	0.015	-0.011	0.249	0.067	0.298	0.053	-0.319	0.124
Cl^-				1.000	-0.600^**	0.538^*	-0.265	0.112	0.629^**	-0.406	0.166	-0.459	-0.259	0.575^*	0.272
Na⁺					1.000	-0.261	0.788^**	-0.370	-0.150	0.119	-0.542^*	0.193	0.697^**	-0.433	-0.280
SO^-2₄						1.000	0.082	-0.022	0.534^*	-0.686^**	-0.335	-0.699^**	0.108	0.760^**	-0.081
F^-							1.000	-0.705^**	-0.208	-0.381	-0.853^**	-0.309	0.867^**	-0.169	-0.581^*
Ca²⁺								1.000	0.461	0.598^**	0.558^*	0.556^*	-0.490^*	0.123	0.656^**
K⁺									1.000	0.012	0.159	0.007	-0.106	0.511^*	0.337
CO₂										1.000	0.418	0.979^**	-0.189	-0.385	0.225
H₂CO₃											1.000	0.362	-0.930^**	-0.068	0.637^**
HCO^-₃												1.000	-0.098	-0.454	0.181
CO⁼₃													1.000	-0.143	-0.579^*
H₂S														1.000	0.010
NH^-₄															1.000

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