| Component | Mean | Error Type | Minimum | Maximum |
| N-NO3 | 0.18 | 0.03 | 0.10 | 0.20 |
| N-NO2 | 0.17 | 0.07 | 0.08 | 0.36 |
| N-NH4 | 0.47 | 0.05 | 0.33 | 0.58 |
| Azote Total-NTK | 0.80 | 0.41 | 0.12 | 1.93 |
| Orthophosphate | 0.05 | 0.01 | 0.03 | 0.06 |
| Phosphorus | 2.06 | 0.45 | 1.31 | 3.37 |