| Sampling points | Enterobacteria | E. coli | Streptococcus | Salmonella | Shigella | Staphylococcus | Vibrio |
| SS1 | 450 | 300 | 210 | 150 | 50 | 50 | 30 |
| WS1 | 500 | 350 | 200 | 300 | 60 | 100 | 60 |
| SS2 | 800 | 500 | 150 | 350 | 20 | 10 | 75 |
| WS2 | 700 | 450 | 300 | 350 | 10 | 20 | 50 |
| WS3 | 600 | 400 | 450 | 300 | 0 | 30 | 100 |
| Mean | 610 | 400 | 262 | 290 | 28 | 42 | 63 |