| Parameter | Final influent mean values | UASB reactor effluent | Trickling filter effluent | Final settling tank effluent | Final effluent mean values | Total efficiency of the plant (%) | EPA Ghana guidelines, 2000 |
| pH | 8.96 ± 0.98 | 6.7 ± 0.19 | 7.51 ± 0.13 | 7.5 ± 0.14 | 7.45 ± 0.14 | - | 6-9 |
| Dissolved oxygen (mg/l) | 0.46 ± 0.26 | 0.58 ± 0.21 | 5.26 ± 0.32 | 4.24 ± 1.08 | 4.24 ± 1.08 | - | - |
| Turbidity (NTU) | 1923 ± 646 | 265 ± 44 | 207 ± 62 | 125 ± 50 | 122 ± 5e0.27 | - | 75 |
| Total solids (mg/l) | 3200 ± 2571 | 1011 ± 130 | 1038 ± 135 | 966 ± 94 | 958 ± 93.78 | 68.8 | - |
| COD (mg/l) | 3173 ± 1528 | 340 ± 74 | 310 ± 69 | 145 ± 21 | 146 ± 20.62 | 94.4 | 250 |
| BOD (mg/l) | 1206 ± 397 | 73 ± 16.2 | 42 ± 114 | 23 ± 5.7 | 23 ± 5.74 | 98.1 | 50 |
| Ammonia-nitrogen (mg/l) | 4.3 ± 1.73 | 19.6 ± 2.4 | 7.9 ± 1.4 | 2.6 ± 0.7 | 2.6 ± 0.68 | 39.5 | 1.5 |
| Nitrate-nitrogen (mg/l) | 29 ± 2.82 | 6.0 ± 1.6 | 16.6 ± 2.5 | 22.1 ± 0.83 | 22.1 ± 0.83 | 23.8 | 0.1 |
| TKN (mg/l) | 52.6 ± 4.11 | 93.1 ± 6.5 | 60.7 ± 2.25 | 43.1 ± 1.2 | 43.1 ± 1.15 | 17.4 | - |
| Phosphate-phosphorus | 2.31 ± 0.14 | 1.03 ± 0.17 | 1.47 ± 0.53 | 0.5 ± 0.14 | 0.5 ± 0.14 | 78.3 | 2 |
| Faecal coliform (No./100ml) | 9.2 × 105 ± 1.1 × 105 | 2.0 × 105 ± 4.9 × 104 | 1.2 × 105 ± 1.8 × 104 | 2.15 × 102 ± 16.31 | 2.16 × 102 ± 16.31 | 99.9 | 10-100 |