20.5.3  Aqua privy

The aqua privy is a single pit latrine which has a watertight pit filled with water. Excreta drops into the pit and wastewater is displaced into a storage chamber, a seepage pit or a sewer line. It needs to be topped up regularly, so a nearby water supply is required.

20.5.2  Pour-flush toilets

20.5.4  Urinals