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Table 3 Statistical analysis of physicochemical parameters in water around the study area

From: An application of Water Quality Index (WQI) and multivariate statistics to evaluate the water quality around Maddhapara Granite Mining Industrial Area, Dinajpur, Bangladesh

 

Min.

Max.

Mean

Median

Std. deviation

Variance

WHO (2011)

PH

5.3

9.02

7.49

7.46

0.71

0.51

6.5–8.5

EC

41

587

147.2

112.4

113.65

12,915.95

500

Turbidity

3

45

10.74

7.00

10.69

114.33

<5

TA

5

88

29

19

22.19

492.4

–

TH

2.5

87.5

22.74

15.5

20.44

417.81

100

TDS

24

382

103.9

84.3

74.05

5483.33

500

Soluble silica

11.9

53.8

28.82

32

9.9

98.08

–