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close this bookTechnical notes: Special Considerations for Programming in Unstable Situations (UNICEF, 2000, 490 p.)
close this folderChapter 19 - Annex 1: Types of Latrine
View the documentObjective
View the documentShallow/Straddle Trench Latrines
View the documentDeep Trench Latrines
View the documentPit Latrines
View the document‘VIP’ (ventilated improved pit) Latrines
View the documentBorehole Latrines
View the documentBucket Latrines
View the documentEcological or Composting Latrines
View the documentWater-Seal Latrines
View the documentAqua Privies
View the documentEmergency Sanitation Units
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Aqua Privies

Aqua privies consist of a squatting plate or seat above a small septic tank from which effluent drains to an adjacent soakage pit (see Panel 7).

· These systems normally require a minimum size water tank reservoir of 1 cub.m capacity (1,000 litres).

· Flushing for each defecation takes approximately 5 litres.

· The water reservoir needs frequent filling.

· Always ensure that hand washing facilities are provided close to the aqua privy.

· Aqua privies are less prone to blockages when compared with water-seal latrines. But, this type of system is not recommended where solid materials are used for anal cleaning, or where water is scarce, as the system requires a relatively large supply to operate properly.