The Biosand Filter is celebrating thirty years of providing clean drinking water to communities in the developing world. The idea of designing a water filtration system small enough to be installed in ...

ACCESS to clean water and good sanitation has long been a cry of every community, urban or rural. In an effort to enable more people access safe drinking water, simple water technology inventions have ...

Indeed, there are many available treatment options for household water, including biosand filters. A biosand filter consists of a concrete or a plastic container, filled with specially selected and ...