| Value | Category |
|---|---|
| 1 | Public water network in city / village |
| 2 | Improved well, spring, aqueduct, water reservoir |
| 3 | Unimproved well, spring, aqueduct, water reservoir |
| 4 | Water tank (fixed, mobile) |
| 5 | Packed water (bottle, gallon) |
| 6 | River, pond, brook, rain water |
| 7 | Other |
| 9 | Unknown |