Parameter

Observed value (Vi)

Standard value (Si)

1/Si

Wi

Quality rating (Qi)

WiQi

Fluoride (mg∙L⁻¹)

0.62 ± 0.64

2

0.5

0.044

31

1.37

Iron (mg∙L⁻¹)

0.34 ± 1.13

2

0.5

0.044

17

0.75

Manganese (mg∙L⁻¹)

0.15 ± 2.26

0.1

10

0.89

150

132.86

Nitrate (mg∙L⁻¹)

241 ± 3.75

30

0.03

0.003

803

2.37

Sodium (mg∙L⁻¹)

83.1 ± 2.44

400

0.003

0.0002

20.8

0.005

Sodium absorption ratio

2.89 ± 5.61

8

0.125

0.01

36.1

0.4

Sulphates

30.3 ± 10.8

200

0.005

0.0004

15.1

0.007

Total dissolved solids (mg∙L⁻¹)

594 ± 2..34

2000

0.0005

0.00004

29.7

0.001

Bicarbonate (mg∙L⁻¹)

54.7 ± 4.63

92

0.01

0.001

59.5

0.06

Chloride (mg∙L⁻¹)

59.3 ± 6.57

600

0.002

0.0002

9.89

0.001

pH

6.95 ± 0.31

8.4

0.12

0.01

-3.57

-0.04

Σ11.30

Σ1.00

Σ137.79

K

0.088