| Value | Category |
|---|---|
| -99 | Refused to respond |
| -98 | Don't know |
| 1 | Piped water into dwelling |
| 2 | Piped water to yard/plot |
| 3 | Public tap/standpipe |
| 4 | Tubewell/borehole |
| 5 | Protected dug well |
| 6 | Unprotected dug well |
| 7 | Protected spring |
| 8 | Unprotected spring |
| 9 | Rainwater collection |
| 11 | Cart with small tank/drum |
| 12 | Tanker-truck |
| 13 | Surface water (river, dam, lake, pond, stream, canal, irrigation channels) |
| 1000 | Other (specify) |
| 1000000001 | .Z |