| Value | Category | Cases | |
|---|---|---|---|
| Add bleach / chlorine | 102 |
5%
|
|
| Boil and filter | 21 |
1%
|
|
| Boil only | 22 |
1.1%
|
|
| Do nothing | 1830 |
90.2%
|
|
| Strain it on cloth | 22 |
1.1%
|
|
| Three pot treatment system | 22 |
1.1%
|
|
| Use a water filter | 9 |
0.4%
|