Projet Communautaire pour l'Accès à l'Eau (In French: Community project for access to water)

2012 - 2014 • Eawag


Testing of three types of ventilated dry toilet systems


Sandec managed the testing of three types of ventilated dry toilet systems which all have two chambers or vaults for the collection and degradation/dehydration of faecal matter and a soak pit for the infiltration of the liquid fraction of excreta as well as household greywater.


Detailed location of main activity  Countries of activity


To improve the urban poor's access to safe water and sanitation and foster capacity development at the municipal level.

Further information

This project was funded by the city of Lausanne and other Swiss municipalities through the solidarit’eau suisse initiative ( and the Île-de-France region.

Contact information

Lukas Ulrich
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Christoph Lüthi
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Capacity development Europe, Caucasus & Central Asia Global Product design and engineering Swiss government Toilets or urinals (user interface) University, education or research institution

Eawag (Swiss Federal Institute for Aquatic Science and Technology)

Eawag is a world-leading aquatic research institute. Its research, which is driven by the needs of society, provides the basis for innovative approaches and technologies in the water sector. Through close collaboration with experts from industry, government and professional associations, Eawag plays an important bridging role between theory and practice, allowing new scientific insights to be rapidly implemented.

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