| Location/parameter | Avg pH | Avg TDS, mg/L | Avg DO, mg/L | Avg Cl−, mg/L | Avg BOD, mg/L | Avg COD, mg/L | Avg TOC, mg/L | Avg TSS, mg/L |
| Upstream El-Rahawy drain | 8.30 | 230.0 | 6.0 | 71.0 | 5.0 | 10.0 | 0.6 | 50.0 |
| El-Rahawy drain | 7.40 | 820.0 | 1.45 | 271.0 | 140.0 | 270.0 | 12.0 | 150.0 |
| Sabal drain | 7.90 | 680.0 | 2.50 | 265.0 | 60.0 | 122.0 | 9.30 | 190.0 |
| El-Tahrir drain | 8.50 | 450.0 | 3.50 | 116.0 | 20.0 | 41.0 | 2.25 | 124.0 |
| Zawyet El-Bahr drain | 7.9 | 600 | 2.5 | 81 | 50 | 103 | 2.8 | 80 |
| Tala drain | 7.8 | 896.40 | 2.23 | 265 | 89.60 | 181.77 | 10 | 94.87 |