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 ...

Water is said to be life. This is because everyone needs safe water for drinking, cooking, and simply for keeping him or herself clean on a daily basis. It is for this reason that the United Nations ...

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 ...