| Value | Category | Cases | |
|---|---|---|---|
| 1 | Boil | 3625 |
37.3%
|
| 2 | Strained through cloth | 14 |
0.1%
|
| 3 | Ceramic, sand or other filter | 199 |
2%
|
| 4 | Purifying tablets/bleach chlorine | 181 |
1.9%
|
| 5 | Sedimentation | 45 |
0.5%
|
| 6 | Nothing is done | 5530 |
57%
|
| 7 | We buy treated water | 115 |
1.2%
|