| Value | Category | 
|---|---|
| -9 | Don't know | 
| -7 | Legal skip | 
| -6 | Unfinished questionnaire | 
| -3 | Interviewer error | 
| 1 | water pipe into dwelling | 
| 2 | water pipe into compound | 
| 3 | water pipe outside compound | 
| 4 | well | 
| 5 | spring | 
| 6 | surface water (stream, lake, etc) | 
| 8 | tanker truck | 
| 9 | bottled water | 
| 19 | other |