Table 3.
Percentage of water samples found to be contaminated with different bacteria
| Bacteria | Tap water % | Bottle water % | P value |
|---|---|---|---|
| Pseudomonas spp. | 76.3 | 87.5 | 0.241 |
| Acinetobacter spp. | 30.3 | 87.5 | <0.05 |
| Gram-positive rods (GPR) | 100 | 12.5 | <0.05 |
| Enterobacter spp. | 23.7 | 0 | <0.05 |
| Citrobacter spp. | 36.8 | 25 | 0.286 |
| Klebsiella spp. | 17.1 | 0 | <0.05 |
| Escherichia coli | 21.1 | 0 | <0.05 |
| Enterococcus spp. | 14.5 | 0 | 0.062 |
| Chromobacterium violaceum | 0 | 12.5 | <0.05 |
| Serratia marcescens | 2.6 | 0 | 1 |
| Proteus spp. | 3.9 | 0 | 1 |
| Staphylococcus spp. | 2.6 | 0 | 1 |