| Value | Category | Cases | |
|---|---|---|---|
| 1 | Full part of wastewater discharged in to the environment after treatment | 694 |
12.3%
|
| 2 | A small part of wastewater treated, a significant part of wastewater discharged in to the environment without treatment | 237 |
4.2%
|
| 3 | A significant part of wastewater treated, a small part of wastewater discharged in to the environment without treatment | 253 |
4.5%
|
| 4 | Fullt part of wastewater discharged in to the environment without treatment | 4471 |
79.1%
|