| Value | Category |
|---|---|
| 11 | piped into dwelling |
| 12 | piped into yard/plot |
| 13 | public tap |
| 21 | open well in dwelling |
| 22 | open well in yard/plot |
| 23 | open public well |
| 31 | protected well in dwelling |
| 32 | protected well in yard/plot |
| 33 | protected public well |
| 41 | spring |
| 42 | river, stream |
| 43 | pond, lake |
| 44 | dam |
| 51 | rainwater |
| 61 | tanker truck |
| 71 | bottled water |
| 96 | other |