| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. To waste water drainage | 142 |
45.8%
|
| 2 | 2. To river/lake/sea | 45 |
14.5%
|
| 3 | 3. To house yard | 123 |
39.7%
|
| 9 | 9. Missing | 0 |
0%
|