| Estimated depths (M) | Fecal coliform count (dry season) | Serlogical test for E. coli 157H | Risk level | Fecal coliform count (rainy season) | Serlogical test for E. coli 157H | Risk level |
Zone 1 | 36 - 49 | 458.3 ± 227.2 | 1colony |
| 611 | 1 colony |
|
Zone 2 | 35 - 70 | 1027.7 ± 685.4 | 0 colony |
| 00 | 0 colony |
|
Zone 3 | 41 - 48 | 00 | 0 colony |
| 00 | 0 colony |
|
Zone 4 | 36 - 49 | 916 ± 722 | 0 colony |
| 00 | 0 colony |
|
Zone 5 | 45 - 47 | 13,333 ± 177.5 | 1 colony |
| 37 | 0 colony |
|
Zone 6 | 42 - 48 | 00 | 0 colony |
| 00 | 0 colony |
|
Zone 7 | 42 - 47 | 00 | 0 colony |
| 00 | 0 colony |
|
p-value | <0.1 |
|
|
|
|
|
|