| Treatments[a] | Average turbidity (NTU) | Reduction[b] |
| BS | 2946a | - |
| BS + P | 2449a | 16.9% |
| EFM | 51d | 98.3% |
| EFM + S | 38e | 98.7% |
| WS + P | 224b | 92.4% |
| WS + P + S | 103c | 96.5% |