Microorganism | Total (n = 79) | Directly from pipe (n = 18) | Narrow (n = 46) | Wide (n = 15) |
---|---|---|---|---|
E. coli | 39.2 | 5.6 | 43.5 | 66.7 |
Bacillus sp. | 6.3 | 0 | 10.9 | 0 |
Citrobacter sp. | 1.3 | 0 | 0 | 6.7 |
Enterobacter sp. | 2.5 | 0 | 2.2 | 6.7 |
Klebsiella sp. | 7.6 | 5.6 | 4.5 | 20.0 |
Micrococcus sp. | 6.3 | 0 | 10.9 | 0 |
Pseudomonas sp. | 6.3 | 11.1 | 4.4 | 6.7 |
Staphylococcus aureus | 6.3 | 5.6 | 6.5 | 6.7 |
Staphylococcus epidermidis | 13.9 | 5.6 | 10.9 | 33.3 |
Streptococcus sp. | 1.3 | 0 | 2.2 | 0 |