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8 Key Filter Performance Points

Learn about the 8 points that can tell you if a Biosand Filter is treating water well. If these 8 points are met, you can be confident that the filter is removing most microbiological contaminants.

This document is part of a series on Biosand Filter Construction Manual Adaptations touching on key considerations and instructions for Biosand filters (Nepali).

  • Language:

    Nepali

  • Format:

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Hundreds of organizations create translated versions of these resources to use in their communities. When organizations share their work, we proudly offer them here. This version was created by Environment and Public Health Organization of Nepal.

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CAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.