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11. Wastewater Drain
Read all of the options until you receive an affirmative response. Circle only one answer.

Does this dwelling have drains or sewers for black waters?

1 Connected to a public sewer
2 Connected to a septic tank
3 A pipe that feeds into a pit or trench
4 A pipe that feeds into a river, lake or ocean
5 No drain
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11. Drainage

A dwelling has drainage when it has plumbing for the elimination of waste water (excrement) or dirty or soapy water from the washer, sprinkler, washbasin, etc.
The following are synonyms of drainage: public network, plumbing, drain, aqueduct, sewer, or drainpipe, among others.