Ca2+ (mg/l) | Mg2+ (mg/l) | (mg/l) | Cl− (mg/l) | (mg/l) | pH | EC (µS/cm) | |
F1 | 72 | 43.2 | 268.4 | 1.91 | 1.98 | 7.69 | 361 |
F2 | 72 | 43.2 | 231.8 | 0.7 | 0 | 7.6 | 323 |
F3 | 40 | 24 | 253.76 | 2.12 | 0.14 | 7.83 | 334 |
WHO (2004) Highest permissible limit | 50 | 150 | 600 | 200 | 45 | 7 - 9.5 | - |