The Knowledge Base

Technical updates, case studies, evaluations, expert knowledge from over 10 years supporting hundreds of organizations implement biosand filter (BSF) projects.

Succesfull implementation of the Biosand filter (BSF) relies on knowledge and experience in the technology and implementation approach.

Biosandfilters.info was initiated to provide support to new and existing BSF implementers to succeed in their programs. Create a user login to enjoy full functionality of this website.

About us

The Biosand Filters Knowledge Base website (www.biosandfilters.info) is managed by CAWST, the Centre for Affordable Water and Sanitation Technology. Contributions are made by Biosand filter implementers worldwide. For more information about CAWST, visit our website at www.cawst.org

Designs & Technical Updates

In this section, you will find updates on technical designs, modifications, improvements and other technical resources related to biosand filter (BSF) production and installation. For updates on how to implement: create demand, community and end-user education, follow-up, monitor and evaluate, go to the Implementation Updates section.

Implementation Updates

In this section, you will find knowledge and experience on the 'softer' components of biosand filter (BSF) implementation : creating demand, community and end-user education, follow-up, monitor and evaluate. These "soft" components are challenging yet critical for correct and sustained use of the biosand filter in any community. For technical resources: product and fact sheets, designs options, updates, go to the Designs and Technical Updates section.

Evaluations

Field evaluations are important to help understand best practices, success and challenges of biosand filter (BSF) implementation projects and programs. Share your evaluations or reports to help build the knowledge and to support other BSF implementers.

Projects

Over 200,000 biosand filters (BSF) are in use worldwide. This section profiles many BSF projects around the globe. Add yours !

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Latest additions

Type File(s)
Research Paper

Measuring the Impact of Health Education Modules in Cameroon, West Africa

submitted 6 days ago by KarenRaven
Research Paper

Addressing Water Quality Issues in Rural Cameroon with Household Biosand Filters

submitted 6 days ago by KarenRaven
Designs & Technical Update

Action Research on size and number of holes in diffuser (DACAAR WET Center)

submitted 1 month ago by Azeem Barat
Designs & Technical Update

Action Research on diffuser plate and box (DACAAR WET Centre)

submitted 1 month ago by Azeem Barat
Research Paper

Improving Household Drinking Water Quality: Use of BioSand Filters in Cambodia

submitted 1 month ago by KarenRaven

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