| Parameters in situ | Dry season | Rainy season | WHO standards 2017 | |||||||
| Min | Max | Moy | Standard deviation | Min | Max | Moy | Standard deviation | |||
| Boreholes | pH | 6.8 | 7.4 | 7.1 | 0.3 | 6.5 | 7.4 | 6.8 | 0.4 | 6.5 - 9.5 |
| T (˚C) | 27.8 | 30.8 | 29.2 | 1.1 | 27.8 | 30.1 | 28.9 | 0.8 | 22 - 25 | |
| CE (μS/cm) | 340 | 515 | 410 | 68.6 | 306 | 508 | 388.8 | 75.5 | 1000 - 1400 | |
| Turb (NTU) | 1.16 | 42.2 | 19.0 | 18.8 | 1.1 | 185 | 40.5 | 80.8 | ≤5 | |
| Wells | pH | 5.6 | 7.2 | 6.3 | 0.6 | 5.1 | 6.8 | 5.9 | 0.6 | 6.5 - 9.5 |
| T (˚C) | 28.4 | 30.4 | 29.2 | 0.7 | 27.9 | 29.8 | 28.8 | 0.7 | 22 - 25 | |
| CE (μS/cm) | 19.3 | 290.0 | 178.4 | 102.3 | 25.4 | 376.0 | 202.7 | 145.9 | 1000 - 1400 | |
| Turb (NTU) | 3.5 | 15.9 | 8.4 | 5.3 | 4.5 | 161.0 | 45.9 | 60.0 | ≤5 | |