Sampling points | Enterobacteria | E. coli | Streptococcus | Salmonella | Shigella | Staphylococcus | Vibrio |
SS1 | 7 | 1 | 2 | 4 | 0 | 3 | 0 |
WS1 | 25 | 4 | 14 | 5 | 2 | 6 | 0 |
SS2 | 20 | 10 | 7 | 16 | 10 | 30 | 0 |
WS2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
WS3 | 10 | 10 | 20 | 7 | 4 | 0 | 0 |
Mean | 12.4 | 5 | 8.6 | 6.4 | 3.2 | 7.8 | 0 |