| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public Network | 1372 |
80.3%
|
| 2 | Porous cesspit | 254 |
14.9%
|
| 3 | Tight cesspit | 69 |
4%
|
| 4 | Other Sewage system | 10 |
0.6%
|
| Sysmiss | 4 |