Parameter | Highest desirable (mg/l) | Maximum permissible level (mg/l) | Range of values obtained from analysis (mg/l) | Remarks |
Ph | 7.0 8.9 | 6.5 - 9.5 | 7.61 - 8.65 | It is neutral to alkaline |
Conductivity | 900 (μS/m) | 1200 (μS/m) | 182.1 - 733 | |
Total hardness | 100 | 100 | 77.56 - 187.37 | Moderately to very hard water |
Magnesium | 20 | 20 | 1.38 - 6.56. | Extremely low |
Calcium | 0.01 | 0.07 | 5.12 - 25.16 | Highly concentrated |
Sulphate | 250 | 500 | 1.03 - 2.43 | Suitable for drinking |
Iron | 1.0 | 3.0 | 0.08 - 0.16 | Ok |
Nitrate | 10 | 50 | 0.01 - 0.23 | Ok |
Lead | 0.01 | 0.01 | BDL - 0.01 | OK |
Cadmium | 0.003 | 0.003 | BDL | OK |
Chromium | 0.05 | 0.05 | BDL | OK |
Turbidity | 5.0 | 5.0 | 1.16 - 15.32 | 7 samples out of 20 are not suitable |
Sodium | - | 200 | 1.72 - 8.35 | Suitable |
Manganese | 0.0 | 0.4 | BDL-0.05 | Suitable |
Zinc | 0.01 | 3.0 | BDL-0.08 | Suitable |
Copper | 0.5 | 2.0 | BDL-0.02 | Suitable |
Total coliforms | Not allowed | Not allowed | 0 - 14 | Only 5 samples are ok |
Total organic carbon* | - | 5 | 0.01 - 0.07 | Ok |
Total dissolved solids (mg/l)* | 500 | 90 - 366. | Ok | |
Potassium** | 10.0 | 11.0 | 0.02 - 0.18. | Ok |