| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. To waste water drainage | 128 |
41.3%
|
| 2 | 2. To river/lake/sea | 31 |
10%
|
| 3 | 3. To house yard | 151 |
48.7%
|
| 9 | 9. Missing | 0 |
0%
|