| Value | Category | Cases | |
|---|---|---|---|
| 1 | Cesspool | 181 | 
                                                                 
                                    
                                    79.7%
                                 
                                                             | 
                                                        
                    
| 2 | Sewage System | 21 | 
                                                                 
                                    
                                    9.3%
                                 
                                                             | 
                                                        
                    
| 3 | Other | 25 | 
                                                                 
                                    
                                    11%
                                 
                                                             |