Mean

25.05

227.17

20.67

54.85

7.74

57.17

56.33

37.83

61.50

13.89

2.84

10.53

0

0

0.00

CV (%)

13.02

27.17

54.97

31.44

2.69

37.10

11.92

33.95

42.12

46.22

9.84

53.08

0.00

0.00

0.00

Rwentondo

Range

20.3 - 27.1

108 - 423

9 - 37

8.4 - 89.6

7.66 - 8.02

48 - 180

58 - 285

22.3 - 76.90

63 - 152

12.69 - 34.50

3.36 - 3.57

3.33 - 15.80

0 - 10

0 - 10

0.00

Mean

23.50

251.00

21.67

48.55

7.92

78.83

126

43.92

93.67

20.35

3.44

8.81

6.67

6.67

0.00

CV (%)

10.29

44.13

55.20

58.95

1.82

63.63

79.74

56.33

37.98

40.47

2.70

47.30

77.46

77.46

0.00

Nyamabare

Range

20.6 - 22.60

181 - 325

13 - 32

16.2 - 49.6

6.83 - 7.78

30 - 40

95 - 118

47 - 56

37 - 90

1.99 - 20.6

0.12 - 1.67

0.29 - 2.50

0

0

0.00

Mean

21.90

237.83

20

35.65

7.31

34.67

106.50

51.83

50.50

7.90

0.98

1.43

0

0

0.00

CV (%)

3.19

19.90

40.12

38.69

6.05

10.90

9.84

6.73

38.86

93.18

53.47

77.75

0.00

0.00

0.00

Overall

Range

7.60 - 38.10

53.00 - 1038.0

1.00 - 308.0

4.50 - 191.10

6.83 - 25.20

18 - 600

27 - 852

17.30 - 78.30

37 - 1400

1.99 - 269.60

0.08 - 3.81

0.29 - 23.90

0.0 - 25.0

0.00 - 60.00

0.00-500

Mean

24.79

253.64

37.15

48.80

7.99

171.73

327.40

42.49

215.06

43.96

1.49

6.01

3.65

20.42

74.47

CV (%)

10.05

71.99

149.27

82.51

31.96

96.19

84.38

37.31

118.81

121.21

87.80

99.47

189.23

111.12

241.63

ANOVA (site)

F

6.626

5.795

3.933

10.328

1.331

25.610

49.855

11.940

6.505

6.326

33.136

8.768

3.784

17.034

6.700

P

4.83E-08

4.62E - 07

8.81E - 05

9.96E - 12

0.217

1.57E - 21

4.14E - 30

2.86E - 05

6.60E - 08

1.05E - 07

9.67E - 25

2.83E - 10

1.38E - 4

8.47E - 17

4.38E - 08

ANOVA (Stream

section)

F

35.271

7.929

2.908

7.947

1.498

12.435

16.11

11.940

6.713

6.301

8.046

14.655

2.839

10.074

-

p

9.59E-12

0.001

0.060

0.001

0.230

1.95E-05

1.29E-06

2.86E-05

0.002

0.003

0.001

3.70E-06

0.064

1.24E-04

-

EPA standard [29]

25

20 - 150

50

-

5.5 - 9.0

400

1000

5

-

-

0.2 - 2.0

0.5 - 0.7

50

0.2 - 4

250

NEMA standard [30]

20 - 35

300

100

300

6.0 - 8.0

-

-

5

-

100

10

10.0

-

-

500