| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO TREATMENT | 5167 |
89.1%
|
| 2 | BOIL | 478 |
8.2%
|
| 3 | ADD CHLORINE | 57 |
1%
|
| 4 | IODINE | 10 |
0.2%
|
| 99 | Other (specify) | 84 |
1.4%
|