| Value | Category | Cases | |
|---|---|---|---|
| 1 | GRID | 7664 |
88.8%
|
| 2 | SEPTIC TANK | 587 |
6.8%
|
| 3 | RIVER/LAKE/GORGE | 292 |
3.4%
|
| 7 | DON’T KNOW | 92 |
1.1%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 4982 |