| Value | Category |
|---|---|
| -5 | other |
| -4 | missing data |
| -3 | refused to answer |
| -2 | not applicable |
| -1 | do not know |
| 1 | piped in to the house |
| 2 | tap in own yard |
| 3 | borehole / well in own yard |
| 4 | collected from community taps |
| 5 | collected from springs, rivers, dam, pond, lake |
| 6 | collected from borehole / well elsewhere |