| Value | Category |
|---|---|
| 0 | |
| 1 | Directly from the river/lake/dam |
| 2 | Unprotected well |
| 3 | Pumped (piped) from the river / lake / dam |
| 4 | Protected well |
| 5 | Borehole |
| 6 | Public tap |
| 7 | Own tap |
| 8 | Other tap (e.g. from nearby building) |
| 9 | Bought from water vendor |
| 10 | Mineral bottled water |
| 11 | Rain water |
| 96 | Other |
| Sysmiss |