| Value | Category |
|---|---|
| 1 | Piped into dwelling |
| 2 | Piped into yard or plot |
| 3 | Public tap |
| 4 | Tubewell/borehole with pump |
| 5 | Protected dug well/spring |
| 6 | |
| 7 | Rainwater collection |
| 8 | Unprotected dug well/spring |
| 9 | Pond, river or stream |
| 10 | Tanker truck vendor |
| 11 | Other |
| 97 | Missing |
| 99 | Don't know |
| Sysmiss |