| Water quality parameters | Unit | Treated drainage wastewater | *ECR’97 discharge standard | ||
| SS-1 | SS-2 | SS-3 | |||
| pH | - | 7.37 | 7.32 | 7.99 | 4.5 - 8 |
| DO | mg/l | 8.79 | 5.03 | 6.90 | - |
| BOD5 | mg/l | 40 | 60 | 115 | 50 |
| COD | mg/l | 196 | 226 | 256 | 200 |
| TDS | mg/l | 1356 | 1450 | 1500 | 2100 |
| TSS | mg/l | 48 | 55 | 85 | 150 |
| Hardness as CaCO3 | mg/l | 134 | 121 | 76 | - |
| Alkalinity as CaCO3 | mg/l | 280 | 353 | 185 | - |
| Chloride | mg/l | 600 | 393 | 550 | 600 |
| Nitrate | mg/l | 1.1 | 0.20 | 0.9 | 10 |
| Phosphate | mg/l | 5.26 | 1.31 | 0.47 | 35 |
| Sulfate | mg/l | 11.3 | 9.3 | 11.8 | - |
| Iron | mg/l | 0.01 | 0.02 | 0.06 | 2 |
| Electrical Conductivity | µS/cm | 1785 | 1929 | 1874 | 1200 |
| Color | Pt.Co. | 136 | 132 | 18 | - |
| Turbidity | NTU | 13.9 | 8.04 | 2.18 | - |
| E. Coli | Nos/100 ml | 2400 | 2000 | 2100 | - |
| Total Coliform | Nos/100 ml | 2600 | 7600 | 9800 | 1000 |