Updated on January 4, 2024

·

Created on August 27, 2015

Elephant Toilet

Open-source
Upcoming Update

Elephant Toilets are VIP latrines for rural applications.

Developed By
  1. The Africa Trust
Tested By
  • Pump Aid
Content Partners
Unknown

Author

Product Description

The Elephant Toilet is a ventilation improved (VIP) Latrine designed for rural sanitation applications.

Target SDGs

SDG 6: Clean Water and Sanitation

Market Suggested Retail Price

$127.00

Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

The Africa Trust has distributed toilet since 2013, Pump Aid (2009 - 2012).

Manufacturing/Building Method

Hand built by local masons and community members, the cement in the Elephant Toilet is mainly used to mold a reusable slab that sits above the main toilet pit. The circular concrete slab is approximately 36 inches in diameter, 4 inches thick, made from 1 bag of portland cement mixed with coarse sand, and reinforced with any available salvaged metal rods or wire. The concrete mixture is poured into a circular mold described by string, and comprised of utility bricks on the ground with a hand-sized, semi circle of metal rod exposed from one side which forms a handle for moving the pad when existing pit is full. The pad features footpads on flanking an 8 inch center hole for solid waste, and channel for liquid waste diversion. For the pit construction, required materials include bricks, sand or rocks to line the pit.

Intellectural Property Type

Open-source

User Provision Model

The Elephant Toilet is built in communities where the African Trust operates and is funded by donations.

Distributions to Date Status

From 2009–2012 Pump Aid piloted a project that trained former child soldiers to build Elephant Toilets for Liberian communities, delivering 300 Elephant Toilets. The number of Elephant Toilets implemented by the African Trust is unknown.

Toilet type

Pit latrine

Evacuation method

Dry

Storage conditions

Pit

Capacity (L)

Unknown

Time until emptying

Unknown

Design Specifications

The Elephant Toilet consists of a concrete slab, and thatched roof hut, with the toilet positioned over a 3 meter pit lined with stones. Users stand on the elephant's “ears” and urine is removed by the “trunk”, or channel, to a nearby earth-covered compost pit. The faeces decompose more easily without urine, as urine kills its useful bacteria. Vegetation can be enriched by the pit's nitrogen rich urine. A privacy structure can be built around the pit, with an internal chimney running up the wall, using sun-dried mud bricks. Once the pit of the toilet has reached full capacity the stone lining of the pit enables the user to plant a productive fruit tree in its place and move the reusable slab for a new toilet.

Product Schematics

Technical Support

Local masons or community members involved in construction are responsible for ongoing maintenance.

Replacement Components

The Elephant Toilet's concrete pad, its primary component, is possible to replicate. The separately-constructed pit and superstructure require local labor.

Lifecycle

The pad can be reused over a new pit when an existing pit has been filled with solid waste. Pit capacity is unspecified.

Manufacturer Specified Performance Parameters

Unknown

Vetted Performance Status

Unknown

Safety

Safe handling of waste materials requires protective clothing.

Complementary Technical Systems

Privacy and insect screening is achieved by building a superstructure over the toilet. Improved urine diversion can be achieved by plastering the wall in front of the toilet so that standing urination is directed at wall and into channel rather than into pit hole. A clear plastic bottle covered in pin prick holes can be placed at the top of the chimney creating a ventilation system which also traps flies. Seso, a local plant with antiseptic properties can be grown outside the toilet and users can pick a leaf to use as soap to wash their hands with after every visit.

Academic Research and References

The Africa Trust, The Elephant Toilet.  Available: https://www.theafricatrust.org/index.php?nav=whatwedo_toilet 

Goal 6. Available: https://sdgs.un.org/goals/goal6

Compliance with regulations

None

Evaluation methods

Field trials. In 2012 Pump Aid evaluated an Elephant Toilet pilot in Liberian communities to assess the functionality and suitability of the technologies and the impact of the programme. They concluded that while the Elephant Toilet was appreciated by the beneficiary households, a further scaling in Liberia was not viable as it required expensive inputs (cement) and tools (casting molds) and made the solution unaffordable for both artisans and households.

Other Information

A short video on the Elephant Toilet. A video about the Elephant Toilet and Pump Aid on CNN.

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