| Nature of water sample | Points of withdrawals | Microbiological quality indication (IQM) | |
| Season dries | Season of rains | ||
| Water of | L1 | 2.6 | 3 |
| Surface | L2 | 1.3 | 1.6 |
| Lake | L3 | 1.3 | 1.6 |
| Nokoué | L4 | 2 | 2.3 |
|
| P1 | 4.3 | 3.6 |
|
| P2 | 3.6 | 3 |
| Water | P3 | 3 | 2.3 |
|
| P4 | 3 | 2.3 |
|
| P5 | 3.6 | 3 |
|
| P6 | 4 | 3.3 |
| of | P7 | 3.6 | 3 |
|
| P8 | 4.3 | 3.6 |
|
| P9 | 5 | 4.6 |
|
| P10 | 5 | 5 |
|
| P11 | 5 | 4.3 |
| Traditional | P12 | 4.3 | 3.6 |
|
| P13 | 4.3 | 3.6 |
|
| P14 | 5 | 4.6 |
|
| P15 | 5 | 4.3 |
|
| P16 | 4.6 | 4 |
|
| P17 | 5 | 5 |
| Well | P18 | 4.3 | 3.6 |
|
| P19 | 4 | 3 |
|
| P20 | 4.3 | 3.6 |
| Water of deep boring | F | 4 | 3.6 |