| Value | Category | Cases | |
|---|---|---|---|
| 1 | Waste water | 46 |
1.5%
|
| 2 | Dump | 99 |
3.3%
|
| 3 | Public restrooms | 4 |
0.1%
|
| 4 | Transportation | 13 |
0.4%
|
| 5 | Agricultural wastes (animal , vegetable) | 112 |
3.8%
|
| 6 | industrial activities | 40 |
1.3%
|
| 7 | others | 10 |
0.3%
|
| Sysmiss | 2647 |