| Parameters | Acceptable limit |
| pH value | 6.5 - 8.5 |
| Colour (Hazen) | 5 |
| Turbidity, NTU | 1 |
| Total Dissolved Solids (TDS) (mg/l) | 500 |
| Total alkalinity (mg/l) | 200 |
| Total hardness (mg/l) | 200 |
| Calcium (mg/l) | 75 |
| Magnesium (mg/l) | 30 |
| Chloride (mg/l) | 250 |
| Sulphate (mg/l) | 200 |
| Nitrate (mg/l) | 45 |
| Iron (mg/l) | 0.3 |
| Total Coliform (MPN/100) | Absent |
| Faecal coliform | Absent |
| E. coli | Absent |