Resources by Rain Tree Foundation

Use this manual and additional resources for your Biosand Filter Construction project.

This poster depicts the components of the biosand filter. This poster was created in Thai by Rain Tree Foundation.

This poster depicts the various methods in which pathogens are removed from water inside the biosand filter. This poster was created in Thai by Rain Tree Foundation

This manual is for biosand filter technicans who are interested in learning how to construct, install and monitor biosand filter projects. This manual has less information about how the biosand filter works, compared to the "Biosand Filter Construction Manual."

This sanitary inspection form is used to evaluate actual and potential sources of contamination for a household slow sand filter.

Learn how to store water safely to prevent recontamination of treated water. Poster created in Thai by Rain Tree Foundation

This poster depicts and describes the function of each component of the biosand filter. This poster was create in Thai by Rain Tree Foundation.

This poster depicts the proper use and maintenance of a biosand filter.

Learn about how to install, use and maintain a biosand filter. Created in Thai by Rain Tree Foundation

This poster gives an overview of what a biosand filter is, and how it works. Poster created in Thai by Rain Tree Foundation.