| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public System | 438325 | 
                                    
                                    84.4%
                                 | 
| 2 | Private System | 62543 | 
                                    
                                    12%
                                 | 
| 3 | No Piped Water | 18111 | 
                                    
                                    3.5%
                                 | 
| 9 | Not Stated | 415 | 
                                    
                                    0.1%
                                 |