Parameters

Units

Kigata

Kacuro

Kihanga

Kitibya

Kanjobe

WHO limits

Temperature

˚C

21.00

21.15

20.9.00

21.80

20.30

Not specified

Colour

PtCoU

9.0

2.8

6.0

8.5

7.3

15.0

Turbidity

NTU

3.70

0.83

1.83

1.83

1.50

3.00

TDS

mg·L−1

141.30

74.25

71.83

44.38

53.47

1000.00

TSS

mg·L−1

2.17

0.83

1.33

1.50

0.66

0.00

pH

-

3.78

4.52

4.68

4.84

4.81

6.5 - 8.5

EC

µS·cm−1

281.8

158.8

147.9

93

104.8

400

Manganese

mg·L−1

0.11

0.002

0.096

0.034

0.034

0.4

Zinc

mg·L−1

0.024

Nd

0.009

0.186

0.023

3

Lead

mg·L−1

Nd

Nd

Nd

Nd

Nd

0.01

Iron

mg·L−1

0.04

0.02

0.042

0.083

0.058

1

Chromium

mg·L−1

Nd

Nd

Nd

Nd

Nd

0.01

Cadmium

mg·L−1

Nd

Nd

Nd

Nd

Nd

0.003

Copper

mg·L−1

Nd

Nd

Nd

Nd

0.002

2

Sodium

mg·L−1

25.76

17.76

16.64

4.56

5.37

200

Calcium

mg·L−1

16.33

12.8

18.77

15

15.2

75

Magnesium

mg·L−1

11.88

10.87

7.43

8.64

9.09

150

Chloride

mg·L−1

42.46

22.5

14.24

3.55

8.69

250

Sulphate

mg·L−1

55.67

9.5

33

14.67

14

250

TH

mg·L−1

89.67

76.67

73

73

75.33

500

TA

mg·L−1

5.67

14

7.67

8.67

8.67

500

DO

mg·L−1

2.6

2.81

2.21

4.35

2.53

8 ? 10

Phosphate

mg·L−1

0.128

0.042

0.113

0.063

0.04

0.1

Nitrate

mg·L−1

0.005

0.002

0.002

0.003

0.005

10

Nitrite

mg·L−1

0.006

0.005

0.004

0.006

0.005

3

Ammonia

mg·L−1

0.042

0.028

0.04

0.033

0.033

1.5

Fluoride

mg·L−1

0.295

0.52

0.61

0.26

0.295

1.5

Salmonella

CFU

2

298

4

64

117

0

Faecal coliforms

CFU

0

33

0

3

190

0