| Value | Category | 
|---|---|
| 11 | Piped into dwelling | 
| 12 | Piped into yard or plot | 
| 13 | Public tap/standpipe | 
| 21 | Tubewell/borehole | 
| 31 | Protected well | 
| 32 | Unprotected well | 
| 41 | Protected spring | 
| 42 | Unprotected spring | 
| 51 | Rainwater collection | 
| 61 | Tanker-truck | 
| 71 | Cart with small tank/drum | 
| 81 | Surface water | 
| 82 | Bottle | 
| 96 | Other | 
| 99 | Missing |