| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public sewage system | 38107 |
54%
|
| 2 | Private sewage system | 4497 |
6.4%
|
| 3 | Tank | 19655 |
27.8%
|
| 4 | Pipe connected to a stream | 1554 |
2.2%
|
| 5 | Hole/ground absorbency | 6695 |
9.5%
|
| 6 | N/A or none found | 89 |
0.1%
|
| 97 | Other | 0 |
0%
|
| 98 | Don't know | 7 |
0%
|
| Sysmiss | 32 |