Water source (n = 10)

Borehole,

Nyam. S. S

Borehole,

Shud. S. S

Spring

(Kisw)

Spring

(Kise)

Well

(Kise)

S. well (Nyam)

Rain,

MUST

p-value

(F test)

WHO (1993)

standard

Total coliforms

(CFU/100 ml)

Range

109 - 177

25 - 63

0 - 12

0 - 20

130 - 920

240 - 1600

0 - 5

Mean

145.00

44.60

4.00

9.50

320.20

807.40

1.30

0.00

10

SD

23.71

11.29

4.32

6.74

239.56

579.23

1.64

% CV

16.35

25.31

108.00

70.95

74.82

71.74

126.15

E. coli

(CFU/100 ml)

Range

0 - 0

0 - 6

0 - 7

0 - 12

2 - 25

11 - 43

0 - 0

Mean

0.00

2.40

1.20

3.40

11.60

20.90

0.00

0.00

0

SD

0.00

2.41

2.57

4.20

6.28

10.62

0.00

% CV

0.00

100.42

214.20

123.53

54.14

50.81

0.00

Proximity (m)*

Animal farms

-

23

-

-

2

-

Latrine

37

53

17

4

20

2

Landfills

12

33

58

11

12

7

Municipal waste

-

-

4

-

26

-