| Pearson Product Moment Correlation | EC (µS/cm) | pH-value | Ca mg/L | Mg mg/L | Na mg/L | K mg/L | Cl mg/L | SO4 mg/L | HCO3 mg/L | NO3 mg/L |
| EC (µS/cm) | 1.0 | −0.5 | 0.7 | 0.7 | 0.4 | −0.1 | 0.8 | 0.6 | 0.8 | −0.8 |
| pH-value | 1.0 | −0.7 | 0.2 | 0.5 | 0.3 | 0.1 | 0.4 | −0.9 | −0.1 | |
| Ca mg/L | 1.0 | −0.1 | −0.4 | −0.7 | 0.3 | 0.1 | 0.9 | −0.5 | ||
| Mg mg/L | 1.0 | 1.0 | 0.6 | 0.9 | 0.9 | 0.1 | −0.7 | |||
| Na mg/L | 1.0 | 0.6 | 0.8 | 0.9 | −0.2 | −0.6 | ||||
| K mg/L | 1.0 | 0.1 | 0.2 | −0.5 | 0.2 | |||||
| Cl mg/L | 1.0 | 1.0 | 0.3 | −1.0 | ||||||
| SO4 mg/L | 1.0 | 0.1 | −0.9 | |||||||
| HCO3 mg/L | 1.0 | −0.4 | ||||||||
| NO3 mg/L | 1.0 |