| Value | Category |
|---|---|
| 1 | Septic pit (well set up to receive wastewater, commonly referred to as a ''lost well'') |
| 2 | Sewer system (usually an underground pipe used to drain water from households and industries in a city) |
| 3 | In the street |
| 4 | Gutter (a concrete furrow for water drainage) |
| 5 | In nature |
| 6 | Other |
| 8 | Unknown |
| 9 | NIU (not in universe) |