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close this bookA Guide to the Development of on-site Sanitation (WHO; 1992; 246 pages)
View the documentPreface
close this folderPart I. Foundations of sanitary practice
open this folder and view contentsChapter 1. The need for on-site sanitation
open this folder and view contentsChapter 2. Sanitation and disease transmission
open this folder and view contentsChapter 3. Social and cultural considerations
close this folderChapter 4. Technical options
View the documentOpen defecation
View the documentShallow pit
View the documentSimple pit latrine
View the documentBorehole latrine
View the documentVentilated pit latrine
View the documentPour-flush latrine
View the documentSingle or double pit
View the documentComposting latrine
View the documentSeptic tank
View the documentAqua-privy
View the documentRemoval systems for excreta
open this folder and view contentsPart II. Detailed design, construction, operation and maintenance
open this folder and view contentsPart III. Planning and development of on-site sanitation projects
View the documentReferences
View the documentSelected further reading
View the documentGlossary of terms used in this book
View the documentAnnex 1. Reuse of excreta
View the documentAnnex 2. Sullage
View the documentAnnex 3. Reviewers
View the documentSelected WHO publications of related interest
View the documentBack Cover
 

Simple pit latrine

This consists of a slab over a pit which may be 2 m or more in depth. The slab should be firmly supported on all sides and raised above the surrounding ground so that surface water cannot enter the pit. If the sides of the pit are liable to collapse they should be lined. A squat hole in the slab or a seat is provided so that the excreta fall directly into the pit.

Advantages

Disadvantages

Low cost

Considerable fly nuisance (and mosquito nuisance if the pit is wet)

Can be built by householder

unless there is a tight-fitting cover

Needs no water for operation

over the squat hole when the latrine is not in use

Easily understood

Smell

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