| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Public Network | 1616 | 1589 | 
                                    
                                    50.8%
                                 | 
| 2 | Porous Cesspit | 1462 | 1502 | 
                                    
                                    48%
                                 | 
| 3 | No Sewage | 49 | 36 | 
                                    
                                    1.1%
                                 |