Source of water

Municipal tap water

Storage tank

Water carry tank

Water cooler

Public filter plants

Total samples

N = 10

N = 10

N = 10

N = 10

N = 10

N = 50

Positive samples

9

8

8

3

4

32

E.coli

5

T. coli for m 3

F. coli for m 2

4

T. coli for m 1

F. coli for m 3

5

T. coli for m 3

F. coli for m 2

2

T. coli for m 2

F. coli for m 0

3

T. coli for m 2

F. coli for m 1

19

T. coli for m 11

F. coli for m 08

Klebsiellae

1

1

1

0

0

3

pseudomonas

2

1

1

1

1

6

Mix infection

1

2

2

0

0

5

Combination of Organisms

E. coli + Seudomonas

+ Salmonella

E. coli + Pseudomonas

and

E. coli + Klebsiella

E. coli +

Klebsiellae spp +

Pseudomonas

and

E. coli + Salmonella

-

-

6