| Value | Category |
|---|---|
| 1 | Protected well within premises |
| 2 | Protected well outside premises |
| 3 | Unprotected well |
| 4 | Tube well |
| 5 | Tap within unit/Premises (main line) |
| 6 | Tap outside premises (main line) |
| 7 | Stream water collected & distributed by pipe lines |
| 8 | River / Tank / Streams |
| 9 | Other |