| SI. No. |
Parameter |
Weight Factor |
Standards (IS-10500) (1991) |
| 1 |
pH |
1 |
6.5-8.5 |
| 2 |
Total Dissolved Solids (mg/l) |
3 |
500-2000 |
| 3 |
Total Hardness (mg/l) |
1 |
300-600 |
| 4 |
Fluoride (mg/l) |
3 |
1.5-2.0 |
| 5 |
Chloride (mg/l) |
1 |
250-1000 |
| 6 |
Sulphate (mg/l) |
2 |
25-1000 |
| 7 |
Nitrate (mg/l) |
3 |
10-100 |
|
