| 4 | Noise | Noise levels are high and extend beyond the plant boundaries | L | 1 |
| Noise is limited to treatment plant boundaries | M | 2 | ||
| No noise | H | 3 | ||
| 5 | Job opportunities for local residents | No | L | 1 |
| Yes | H | 3 | ||
| 6 | Need for international/ non-local experts for design/maintenance/operation | Yes | L | 1 |
| No | H | 3 | ||
| 7 | Surrounding land value decrease due to the presence of the treatment plant | A very high decrease in land value (>50%) | L | 1 |
| A minor decrease in land value (<50%) | M | 2 | ||
| No land value decrease | H | 3 |