Parameter

BSU

Kakoba

Katete

GBK

Spencon

Mean

SD

Colour (PtCo)

699

905

872

749

651

775.2

109.701

Turbidity (NTU)

98.7

176.3

124.7

365.3

92.7

171.54

113.227

TSS (mg/L)

44.7

123.3

71.7

209.3

97.8

109.36

63.078

Hardness (mg/L)

62

62.3

62

66

61.4

62.74

1.851

Alkalinity (mg/L)

28.7

39.3

86

40

45.5

47.9

22.149

pH

5.92

5.93

5.9

5.92

5.96

5.926

0.022

TDS (mg/L)

53.2

55.2

65.5

67.2

51.6

58.54

7.268

EC (µs/cm)

103.93

113.4

105.3

195.8

95.6

122.81

41.290

Salinity (mg/L)

0.053

0.067

0.057

0.097

0.053

0.065

0.019

Temeperature (˚C)

23.07

23.13

22.83

23

22.73

22.952

0.167

Sulphate (mg/L)

9.48

9.07

10.67

8.41

9.33

9.392

0.824

COD (mg/L)

143.7

240

284.7

302

89.7

212.02

91.912

BOD (mg/L)

59

65.3

101.7

103.7

48

75.54

25.565

DO (mg/L)

17.41

21.55

25.35

23.1

15.11

20.50

4.183

NH3-N (mg/L)

15.73

16.65

20.3

11.3

10.53

14.90

4.030

Mg (mg/L)

6.73

7.55

7.16

5.83

5.51

6.556

0.867

Ca (mg/L)

10.15

8.92

8.28

7.34

7.22

8.38

1.211

Fe (mg/L)

0.663

0.407

0.554

0.737

0.511

0.574

0.129

Mn (mg/L)

0.145

0.181

0.077

0.079

0.103

0.117

0.045