| Value |
Category |
| 1 |
Septic tank / cesspit |
| 2 |
Piped sewer system |
| 3 |
Yard |
| 4 |
Canal / river / ocean |
| 5 |
Trench / drain / gutter |
| 8 |
Don't know |
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.