Cluster 1

Cluster 2

Cluster 3

Cluster 4

Water type name

Fresh

N = 148

Saline

N = 3

Brackish

N = 17

Mixed

N = 46

Dominant water type

Mixed-HCO₃

Na-Cl

Na-Cl

Na-Mixed

EC

593.8

5953.3

3291.8

1310.7

Ca²⁺

35.7

235.9

14.9

9.0

Mg²⁺

14.8

128.8

7.8

5.7

Na⁺

56.9

781.6

687.9

273.5

K⁺

6.9

26.8

26.8

13.8

${\text{HCO}}_3^{-}$

209.8

203.3

478.3

336.9

Cl⁻

41.3

1892.4

781.3

212.7

${\text{SO}}_4^{-}$

51.8

113.9

73.5

73.6

${\text{NO}}_3^{-}$

6.2

4.6

9.6

8.8

F⁻

0.5

0.6

3.2

1.9