| Parameter | Raw sewage | Treated wastewater | Egyptian law | ||||
| Minimum | Average | Maximum | Minimum | Average | Maximum | 48/1982 | |
| COD, mg/L | 290.0 | 332.50 | 375.0 | 179.0 | 209.50 | 240.0 | <30.0 |
| BOD, mg/L | 140.0 | 165.0 | 190.0 | 84.0 | 99.0 | 114.0 | <20.0 |
| TSS, mg/L | 164.0 | 210.0 | 256.0 | 70.80 | 92.40 | 114.0 | <20.0 |
| Turbidity, NTU | 31.0 | 38.0 | 45.0 | 14.0 | 19.0 | 24.0 | <50.0 |
| pH | 7.10 | 7.20 | 7.30 | 7.40 | 7.45 | 7.50 | 06-09 |
| DO, mg/L | 0.16 | 0.355 | 0.55 | 0.50 | 0.955 | 1.41 | >5.0 |
| TOC, mg/L | 13.15 | 15.20 | 17.25 | 8.40 | 9.70 | 11.0 | <3.0 |
| TDS, mg/L | 874.0 | 946.0 | 1018.0 | 865.0 | 937.0 | 1007.0 | <500.0 |