| Value | Category | Cases | |
|---|---|---|---|
| 1 | GRID | 8888 |
87.4%
|
| 2 | SEPTIC TANK | 891 |
8.8%
|
| 3 | RIVER/LAKE/GORGE | 289 |
2.8%
|
| 7 | DON'T KNOW | 97 |
1%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 4499 |