| Value | Category |
|---|---|
| 01 | Tap inside the house |
| 02 | Private tap in compound |
| 03 | Shared tap in compound |
| 04 | Public tap outside compound |
| 05 | Shared tap outside compound |
| 06 | Protected well or spring |
| 07 | Unprotected well or spring |
| 08 | River, lake or pond |
| 98 | Unknown |
| 99 | NIU (not in universe) |