Literal question
9. Drainage from bathrooms and household water
9a. Toilets
[] 1 Direct connection to the sewer (without passing through a septic tank)
[] 2 Septic tank.
[] 3 Cesspit (with or without period draining).
9b. Household water (sink, laundry, hygiene, etc.).
[] 1 Direct connection to sewer
[] 2 Other cases (gutter, ditch, sump, etc.)
Interviewer instructions
3.3.6. Question 9: Drainage of lavatories and household water.
Check one single box among the four choice in question 9a and one single box among the two in question 9b. Do not check box 1 in either question when there is, in your district, some sewers made to receive the waste water from the lavatories and used household water. City hall must inform you of the existence and the characteristics of the sewer system.