| Parameter | Sample N181A | Uncertainty | Sample N181B | Uncertainty | Unit |
| Electr. conductivity (25 °C) | 389 | 1 | 498 | 2 | µS/cm |
| Total hardness | 1.321 | 0.017 | 2.14 | 0.02 | mmol/L |
| Alkalinity KS 4.3 (as H+) | 1.144 | 0.005 | 1.92 | 0.03 | mmol/L |
| Hydrogen carbonate | 66.7 | 0.3 | 114.1 | 1.5 | mg/L |
| Calcium | 32.3 | 0.6 | 51.0 | 0.7 | mg/L |
| Magnesium | 12.51 | 0.13 | 21.1 | 0.3 | mg/L |
| Sodium | 20.14 | 0.10 | 10.4 | 0.3 | mg/L |
| Potassium | 1.87 | 0.03 | 4.01 | 0.03 | mg/L |
| Nitrate (as NO3) | 17.9 | 0.4 | 43.6 | 1.0 | mg/L |
| Nitrite (as NO2) | 0.0605 | 0.0002 | 0.02879 | 0.00011 | mg/L |
| Ammonium (as NH4) | 0.061 | 0.003 | <0.01 | - | mg/L |
| Chloride | 48.8 | 1.1 | 39.5 | 0.9 | mg/L |
| Sulphate (as SO4) | 35.6 | 0.4 | 49.5 | 0.6 | mg/L |
| Orthophosphate (as PO4) | <0.009 | - | 0.0394 | 0.0017 | mg/L |
| Boron | 0.0753 | 0.0013 | 0.0328 | 0.0006 | mg/L |
| DOC (as C) | 2.370 | 0.015 | 5.23 | 0.03 | mg/L |
| Total phosphate (as PO4) | <0.009 | - | 0.0578 | 0.0014 | mg/L |
| Silicon | 5.79 | 0.03 | 2.537 | 0.014 | mg/L |
| Fluoride | 0.804 | 0.003 | 1.194 | 0.005 | mg/L |