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A latrine is a toilet or an even simpler facility which is used as a toilet within a sanitation system. For example, it can be a communal trench in the earth in a camp, a hole in the ground (pit latrine), or more advanced designs, including pour-flush systems. The term "latrine" is still commonly used in emergency sanitation situations, as well as in army camps.
The word "Latrine" is derived from the Latin lavatrina, meaning bath. It is nowadays still commonly used in the term "pit latrine". It has the connotation of something being less advanced and less hygienic than a standard toilet. It is typically used to describe communal facilities, such as the shallow-trench latrines used in emergency situations, e.g. after an earthquake, flood or other natural disaster.
Latrines are known as aphedrons in Greek. The word occurs three times in the Bible (Matthew 15:17, Mark 7:19 and Daniel 2:5) and was unknown in classical texts.
Many forms of latrine technology have been used, from very simple to more complex. The more sophisticated the system, the more likely that the term "toilet" is used instead of "latrine".
A pit latrine is a simple and inexpensive toilet, minimally defined as a hole (pit) in the ground. More sophisticated pit latrines may include a floor plate, or ventilation to reduce odor and fly and mosquito breeding (called ventilated improved pit latrine or "VIP latrine"). Many military units, if intended for extended use, place basic shelters and seating over the pits. A pit is typically sited well away from any water sources to minimize possible contamination. After prolonged use, a pit is typically buried.
Other types of pit latrines may include the Reed Odourless Earth Closet, the arborloo or treebog (very simple types of composting toilet), or the twin pit pour-flush pit latrine, popularized by Sulabh International.
In a location without longer term sanitation infrastructure, a trench toilet is a workable solution. It typically consists of a pit or a trench in the ground, 4 feet (1.2 m) to 5 feet (1.5 m) deep and 4 feet (1.2 m) to 20 feet (6.1 m) long.
A slit-trench latrine consists of a relatively shallow trench which is narrow enough to stand with one leg on either side (see defecation postures). This type is used either by squatting, with the users' legs straddling the pit, or by various arrangements for sitting or leaning against a support structure. Such support may be simply a log, plank, branch or similar arrangement placed at right angles to the long axis of the pit. This type of latrine is not commonly found in developing countries but can be used for emergency sanitation.
The shallow-trench latrine is similar to the slit-trench latrine but is wider (200-300mm wide) than the latter. It is also shallow, with a depth of about 150 mm. This type of latrine is often used in the initial phases of emergencies and is a simple improvement on open defecation fields. A rule of thumb in emergency sanitation provision is to allow 0.25 m2 of land per person per day. This means 2,500m2 per 10,000 people per day, or nearly two hectares per week. Men’s and women’s areas should always be separated.
Campers refer to a cathole – a one-use, shallow scrape.
|Wikimedia Commons has media related to Latrines.|
- "Aphedron". Bible Study Tools. Retrieved 6 August 2016.
- Tilley, E., Ulrich, L., Lüthi, C., Reymond, Ph. and Zurbrügg, C. (2014). Compendium of Sanitation Systems and Technologies (2nd Revised Edition). Swiss Federal Institute of Aquatic Science and Technology (Eawag), Duebendorf, Switzerland
- Harvey, P. A. Excreta Disposal in Emergencies: A field manual. WEDC, Loughborough University, UK. p. 232. ISBN 978 1 84380 113 9.
- "Akvopedia Aqua Privy". Akvo. 22 October 2014. Retrieved 23 August 2016.