Table 1 Frequency distribution of the isolated coliform groups in water samples from Khamis Mushait Governorate, southwestern Saudi Arabia (February-June 2007)
| Â | Desalinated | Surface water | Wells | TOTAL | ||||
|---|---|---|---|---|---|---|---|---|
Microorganism | No. | % | No. | % | No. | % | No. | % |
Escherichia coli | 2 | 20.00 | 11 | 24.44 | 10 | 16.95 | 23 | 20.18 |
Klebsiella species: | Â | Â | Â | Â | Â | Â | Â | Â |
Kl. Pneumoniae | 2 | 20.00 | 3 | 6.67 | 8 | 13.56 | 13 | 11.40 |
Kl. Oxytoca | 1 | 10.00 | 2 | 4.44 | 4 | 6.78 | 7 | 6.14 |
Enterobacter species: | Â | Â | Â | Â | Â | Â | Â | Â |
E. cloacae | 1 | 10.00 | 8 | 17.78 | 11 | 18.64 | 20 | 17.54 |
E. aerogens | N|A | N|A | 3 | 6.67 | 3 | 5.08 | 6 | 5.26 |
E. agglomerans | N|A | N|A | 4 | 8.88 | 3 | 5.08 | 7 | 6.14 |
E. gergoviae | N|A | N|A | 1 | 2.22 | 2 | 3.89 | 3 | 2.63 |
Citrobacter species: | Â | Â | Â | Â | Â | Â | Â | Â |
C. freundii | 1 | 10.00 | 3 | 6.67 | 6 | 10.16 | 10 | 8.77 |
C. diversus | N|A | N|A | 5 | 11.11 | 3 | 5.08 | 8 | 7.02 |
Proteus species: | Â | Â | Â | Â | Â | Â | Â | Â |
P. vulgaris | 2 | 20.00 | 4 | 8.88 | 6 | 10.16 | 12 | 10.52 |
P. mirabilis | 1 | 10.00 | 1 | 2.22 | 3 | 5.08 | 5 | 4.39 |
TOTAL | 10 | 100.00 | 45 | 100.00 | 59 | 100.00 | 114 | 100.00 |