Parameter

Mean

St dv

Max

Min

WHO

As (μg/l)

76.4

39.03

173

23.9

10

Cr (mg/l)

0.01

0.02

0.07

0

0.05

Pb (mg/l)

0.01

0.02

0.09

0

0.01

Fe (mg/l)

0.27

0.36

1.52

0

0.30

Al (mg/l)

0.19

0.17

0.84

0

0.20

Hg (μg/l)

6.69

2.69

11.88

1.09

6

Ni (μg/l)

71

70

445

5

70

Ca (mg/l)

97.33

47.02

234

17.2

200

Mg (mg/l)

52.77

31.45

172.2

14.3

150

K (mg/l)

13.29

12.55

82

4.40

12

Na (mg/l)

435.45

144.17

730

146

200

${\text{SO}}_4^{2-}$ (mg/l)

236.18

136.95

770

71

500

${\text{HCO}}_3^{-}$ (mg/l)

144.84

55.97

380

48

-

Cl⁻ (mg/l)

550.14

293.32

1400

84

-

T (˚C)

26.92

2.98

33

19

-

pH

6.83

0.58

7.70

5.30

-