1. 1988-08-15 240 pages, illustrated
  2. The design for the filters used today was developed in 1981, by Dr. Fernando Mazariegos of the Central American Industrial Research Institute (ICAITI) in Guatemala, whose intent was to create low-cost filters, manufactured locally, that would make bacterially contaminated water potable. These...
  3. Meribah Ram Pump, based in Thailand, offers appropriate technology products (ram pumps and bio sand water filters) and related expertise. A downloads page,on Meribah’s website offers plans and other information related to building and installing ram pumps and bio sand water filters.
  4. 2016-08-12 The Biosand Filter Construction Manual describes what a biosand filter is and how it works. It also describes the steps to construct, install and monitor Version 10 biosand filters.
  5. Key Resource
    2001-01-01 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...
  6. 2010-04-01 https://www.echocommunity.org/resources/eb967d93-10ff-4c3d-a238-86ac0382bd68ECHO has considered how our resources can be most helpful in light of the recent devastating earthquake near Port Au Prince, Haiti. Our main strength is in the area of agricultural information relevant to development...
  7. 2017-03-30 ECHOregularly publishes agriculture technical notes to address important agriculture development issues. Here is a short excerpt from a tech note on Biosand Water Filter. It is available on ECHOcommunity.org (http://edn.link/biosandwaterfilter).
  8. 2017-02-08