| DOMESTIC TREATMENT OUTLET DISCHARGED VALUES | |||||
| Analysis | Limits | Unit | Average Value in 2022 | Average Value in 2023 | Average Value in 2024 |
| Suspended Solids (SS) | 70 | mg/L | 21,4 | 11,3 | 11,8 |
| Biological Oxygen Demand (BOD) | 50 | mg/L | 17,9 | 16,1 | 16,6 |
| Chemical Oxygen Demand (COD) | 180 | mg/L | 46,6 | 38,9 | 63,1 |
| pH | 6-9 | – | 7,8 | 7,3 | 7,4 |
| MUNICIPAL WATER SEDIMENTATION POND DISCHARGED VALUES | |||||
| Analysis | Limits | Unit | Average Value in 2022 | Average Value in 2023 | Average Value in 2024 |
| Suspended Solids (SS) | 100 | mg/L | 6,9 | 7,5 | 7,1 |
| ZSF (Fish Bioassay) | 20 | mg/L | <1 | <10 | <10 |
| Chemical Oxygen Demand (COD) | 200 | mg/L | 19,4 | 15,5 | 61,4 |
| Chromium (VI) | 0.3 | mg/L | 0 | <0,02 | <0,05 |
| pH | 6-9 | – | 7,7 | 7,6 | 7,5 |
| Colour | 280 | Pt-Co | 16,6 | 18,1 | <10 |
| Oil and Grease | 10 | mg/L | <10 | <10 | <10 |
