| Value | Category |
|---|---|
| 1 | Pipe indoors |
| 2 | Pipe outdoors |
| 3 | Pump indoors |
| 4 | Pump outdoors |
| 5 | Public tap |
| 6 | Closed well or protected spring |
| 7 | Unprotected well or spring |
| 8 | River, lake, stream, irrigation channel |
| 9 | Rainwater collection |
| 10 | Water vendors |
| 11 | Bottled water |
| 12 | Other |
| 99 | Not stated |