Parameters :-
| Parameter | Range |
| pH | 4 to 10 |
| Total Hardness | 2-40, 5-100, 25-500 mg mg/l as CaCO3 |
| Calcium Hardness | 5-100 mg/l as CaCO3 |
| Silica | 5, 10, 20, 40, 60, 80 mg/l as SiO2 |
| Sulphate | 5–100, 50–1000 mg/l as Sulphate |
| Iron (Low Level) | 0.05, 0.1, 0.3, 0.4, 0.7, 1.0, 1.5, 2.0 mg/l as Fe |
| Nitrate | 1.0, 2.5, 5, 7.5, 10, 20, 30, 40, 50 mg/l as NO3 |
| Nitrite(Low Level) | 0.04-0.8 mg/l as NO2 |