| Value | Category |
|---|---|
| 1 | supply water (piped) inside house |
| 2 | supply water (piped) outside house |
| 3 | own tube well |
| 4 | neighbor's tube well |
| 5 | community tube well |
| 6 | rainwater |
| 7 | ring well / indara |
| 8 | pond / river / canal |
| 9 | bottled water |
| 10 | shallow tubewell for irrigation |
| 11 | deep tubewell for irrigation |
| 12 | other |
| 77 | refuse |
| 88 | don't know |
| 99 | missing |
| Sysmiss |