| Value | Category | 
                                    
                    
                        | 10 | PIPED WATER | 
                                    
                    
                        | 11 | Piped into dwelling | 
                                    
                    
                        | 12 | Piped into yard/plot | 
                                    
                    
                        | 13 | Public tap | 
                                    
                    
                        | 20 | OPEN WELL WATER | 
                                    
                    
                        | 21 | Open dug well | 
                                    
                    
                        | 30 | COVERED WELL/BOREHOLE | 
                                    
                    
                        | 31 | Protected well | 
                                    
                    
                        | 40 | SURFACE WATER | 
                                    
                    
                        | 41 | Developed spring | 
                                    
                    
                        | 42 | Undeveloped spring | 
                                    
                    
                        | 43 | River/stream/pond/lake/dam | 
                                    
                    
                        | 51 | Rainwater | 
                                    
                    
                        | 61 | Tanker truck/peddler | 
                                    
                    
                        | 71 | Bottled water/refilling station | 
                                    
                    
                        | 96 | Other | 
                                    
                    
                        | 97 | Not dejure resident | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.