Many communities in the developing world lack easy access to clean, potable water for drinking,
cooking, sanitation and hygiene. In many upland villages in mountainous areas, the only access
to water for inhabitants is the river, a spring or a stream. As the water source is generally located
up to 200 meters below the villages, the access of water is extremely difficult as the water has to
be carried uphill. This situation leads to shortages in water supply and use, both for basic
household use and for vegetable and livestock production.