| Parameter | Discharge Standard | |
| Standard 1-B | Standard 1-A | |
| Chemical Oxygen Demand (COD) | 60 mg/l | 50 mg/l |
| Biochemical Oxygen Demand (BOD5) | 20 mg/l | 10 mg/l |
| Suspended Solid (SS) | 20 mg/l | 10 mg/l |
| Total Nitrogen (TN) | 20 mg/l | 15 mg/l |
| Ammonia Nitrogen (NH4-N) | 8 mg/l (water temperature > 12˚C) | 5 mg/l (water temperature > 12˚C) |
|
| 15 mg/l (water temperature ≤ 12˚C) | 8 mg/l (water temperature ≤ 12˚C) |
| Total Phosphate (TP) | 1 mg/l | 0.5 mg/l |
| Colour | 30 | 30 |
| pH | 6 - 9 | 6 - 9 |
| E.Coli | 104 (/l) | 103 (/l) |