| Value | Category |
|---|---|
| 11 | Piped into residence |
| 12 | Public tap |
| 21 | Well in residence |
| 22 | Public well |
| 31 | Piped surface water in house/garden |
| 32 | Spring/public fountain |
| 33 | River/stream/pond/lake/dam |
| 41 | Rainwater |
| 51 | Tanker truck |
| 61 | Bottled water |
| 71 | Water station |
| 96 | Other |
| Sysmiss |