S.No

Constituents

Min

Max

Average

S.D.

1

Silica (SiO₂) (mg/l)

3

12

7

2

2

Calcium (Ca) (mg/l)

7

72

25

17

3

Magnesium (Mg) (mg/l)

7

64

29

15

4

Sodium (Na) (mg/l)

8

138

65

39

5

Potassium (K) (mg/l)

2

168

23

44

6

Carbonate (CO₃) (mg/l)

2

72

20

16

7

Bicarbonate (HCO₃) (mg/l)

10

209

101

52

8

Sulphate (SO₄) (mg/l)

10

57

31

12

9

Chloride (Cl) (mg/l)

39

306

145

64

10

Total dissolved solids (mg/l)

147

762

458

159

11

Hardness as CaCO₃ (mg/l)

71

446

184

88

12

Alkalinity as CaCO₃ (mg/l)

44

230

123

45

13

Non-carbonate hardness (mg/l)

−46.03

264.81

66.72

76.95

14

Specific conductance (mmhos/cm)

230

1190

716

245

15

pH

7.9

8.6

8.3

0.2

16

Sodium adsorption ratio (SAR)

0.33

4.93

2.27

1.49

17

Adjusted Sodium adsorption ratio (Adj. SAR)

0.44

8.10

3.75

2.36

18

Percent sodium

10.29

68.95

46.47

18.89

19

Residual sodium carbonate

−5.30

0.92

−1.33

1.54

20

Permeability Index

27.68

92.33

63.05

17.14

21

Chloroalkaline indices 1

−0.40

0.82

0.17

0.35

22

Chloroalkaline indices 2

−0.36

1.61

0.31

0.56

23

Kelley’s Ratio

0.10

2.19

0.95

0.71

24

Magnesium Ratio

19.37

87.92

66.25

17.21

25

Gibbs Ratio I

0.48

0.98

0.70

0.12

26

Gibbs Ratio II

0.22

0.93

0.69

0.23