| Value | Category | 
                                    
                    
                        | 1 | Pond or Dam | 
                                    
                    
                        | 2 | Stream or River | 
                                    
                    
                        | 3 | Spring | 
                                    
                    
                        | 4 | Well | 
                                    
                    
                        | 5 | Borehole | 
                                    
                    
                        | 6 | Rainwater | 
                                    
                    
                        | 7 | Piped water (not in house) | 
                                    
                    
                        | 8 | Piped water (in house) | 
                                    
                    
                        | 9 | Vendor | 
                            
            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.