| Value | Category |
|---|---|
| 1 | piped into dwelling |
| 2 | piped to yard/plot |
| 3 | public tap |
| 4 | tubewell/borehole |
| 5 | protected well |
| 6 | unprotected well |
| 7 | protected spring |
| 8 | unprotected spring |
| 9 | rainwater |
| 10 | bottled water |
| 11 | cart with small tank |
| 12 | tank/drum |
| 13 | tanker-truck |
| 14 | surface water |
| 16 | refuse |
| 111 | other (specify) |