| Value | Category | Cases | |
|---|---|---|---|
| 1 | treated : electronic purifier | 9309 |
8.7%
|
| 2 | boiling | 12262 |
11.5%
|
| 3 | chemically treated with alum | 621 |
0.6%
|
| 4 | chemically treated with bleach/chlorine tablets | 1114 |
1%
|
| 5 | filtered with water filter(candle, ceramic, sand etc.) | 6951 |
6.5%
|
| 6 | filtered with cloth | 12027 |
11.3%
|
| 7 | not treated | 62482 |
58.5%
|
| 9 | others | 2072 |
1.9%
|