60
R. Chettri et al.
Table 3
Pearson’s correlation matrix (p < 0.05) among various hydrochemical parameters tested
Parameters
pH
DO
(ppm)
DO
5 (ppm) TDS
(ppm)
Na +
(ppm) K +
(ppm) Ca 2+
(ppm) Mg 2+
(ppm) Cl −
(ppm) HCO
3
−
(ppm) SO
2−
4 (ppm) PO
3−
4 (ppm)
pH
1.00
DO (ppm)
0.41
1.00
DO
5 (ppm)
0.47
0.97
1.00
TDS (ppm)
0.14
−0.55 −0.57
1.00
Na +
(ppm)
−0.02 −0.54 −0.68
0.74
1.00
K +
(ppm)
−0.77 −0.33 −0.37
0.20
0.19
1.00
Ca 2+
(ppm)
0.18
−0.21 −0.03
0.54
−0.11
0.23
1.00
Mg 2+
(ppm)
−0.57 −0.51 −0.51
−0.09 0.26
0.64
−0.16
1.00
Cl −
(ppm)
0.05
−0.58 −0.61
0.89
0.61
0.01
0.41
−0.30
1.00
HCO
3
−
(ppm)
0.24
−0.19 −0.22
0.91
0.53
0.19
0.63
−0.34
0.79
1.00
SO
2−
4 (ppm)
−0.68 −0.48 −0.56
−0.23 0.31
0.47
−0.55
0.88
−0.28
−0.51
1.00
PO
3−
4 (ppm)
−0.54 −0.93 −0.98
0.56
0.65
0.37
0.00
0.40
0.66
0.24
0.51
1.00
Bold indicates Anomalous high value