Parameters

Min

Max

Mean

SD

WHO

guideline

Number of unsuitable samples

% of

unsuitable samples

Turbidity (NTU)

0.05

23.6

1.35

3.39

5

6

6.3

pH (−)

4.19

7.56

5.73

0.72

6.5 - 8.5

78

81.3

Temperature (˚C)

27.0

33.4

30.3

1.0

EC (µS/sm)

253

6000

1477

1115

TDS (mg/L)

195

4548

1113

850

1000

42

43.8

TH (mg CaCO₃/L)

34

1301

283

240

-

-

-

Na⁺ (mg/L)

23.6

860.0

191.9

163.0

150

45

46.9

K⁺ (mg/L)

BDL

146.0

9.0

19.8

12^a

12

12.5

Mg²⁺ (mg/L)

3.8

156.0

30.7

26.6

50

9

9.4

Ca²⁺(mg/L)

7.2

280.0

62.4

54.9

100

14

14.6

Cl⁻ (mg/L)

39.0

1950.0

360.3

354.0

250

49

51.0

(mg/L)

1.5

387.0

66.1

72.0

400

0

0.0

(mg/L)

12.2

567.3

85.1

113.8

>30^a

30

31.3

(mg/L)

BDL

445.0

77.0

81.1

50

48

50.0

(mg/L)

BDL

5.5

0.2

0.7

3

2

2.1

(mg/L)

BDL

13.0

0.6

1.9

1.5

8

8.3

DO (mgO₂/L)

0.9

14.3

5.2

2.3

5

37

38.5

Permanganate indice (mgO₂/L)

BDL

10.7

0.8

1.7

-

-