World Christian Missionary Resources - Helping you reach your world for Jesus

The BioSand Water Filter - An Inexpensive Way to Get Clean Water in Your Home


Biosand Filter

"A biosand filter is a simple type of water purification system that ses sand, gravel, gravity and some simple engineering to purify water contaminated with biologics and some chemicals. Its structure is generally made of concrete or plastic and is filled with layers of gravel and sand that encourage the growth of good microbes that are naturally present in water." (Read more about this article, click on the link above.)

Biosand Filter
Sustainable Sanitation and Water Management (SSWM)

"The biosand filter is a simple household water treatment device, which is an innovation on traditional slow sand filters specifically designed for intermittent use. A BSF consists of a concrete or plastic container filled with specially selected and prepared sand and gravel." (Read more about this article, click on the link above.)

Biosand filter

"A biosand filter is a point-of-use water treatment system adapted from traditional slow sand filters. Biosand filters remove pathogens and suspended solids from water using biological and physical processes that take place in a sand column covered with a biofilm." (Read more about this article, click on the link above.)

How Biosand Water Filtration Systems Work
The Water Project

"The concrete Biosand filter is an innovative version of the slow sand filter specifically designed for household use. These filters are built locally using available materials and labor… The Biosand filter is comprised of a container - plastic or concrete - and is about the size of an office water cooler." (Read more about this article, click on the link above.)

How does a bio-sand filter work?
Pure Water for the World

"While there are a number of water purification technologies in use all over the world, the technology used most often by Pure Water for the World is a bio-sand filter." (Read more about this article, click on the link above.)

HydrAid training allows for clean water
By Greg Yoder
Mission Network News

"International (MNN) - Most of us cannot imagine what it would be like to be without clean water. It's all around us - in drinking fountains, bottles, faucets, and even showers. For the four million people who do not have easy access to purified water, however, solutions are on the way. International Aid has created a HydrAid BioSand Water Filter that is portable... and can provide up to 75 gallons of clean water per day." (Read more about this article, click on the link above.)

Online Video


5000 Childrean Die every day from unsafe water
5000 children die every day due to unsafe drinking water. Help save lives with the HydrAid BioSand Water Filter.

A Clear Mission: HydrAid BioSand Water Filter Makes a Difference

Floricelda Nunez is the human face on International Aid's safe water outreach in Campo Alegre, Honduras. Meet Floricelda and see how her partnership with International Aid's HydrAid BioSand Water Filter is saving lives in her village.

Blue the BioSand Water Filter

Hear a story from Blue, a brand new BioSand Water Filter. Blue can't wait to provide clean drinking water for families. See how BioSand Water Filters are helping families in South Asia.

Dow Video Features HydrAid BioSand Water Filter and IA Partnership

The HydrAid Water Filter is featured in a Dow Chemical Co. video shot on location in the mountains of Honduras where International Aid is installing the point-of-use filters in households in dozens of villages. The 3-minute segment highlights the beneficial impact of the filter on the village of Campo Alegre and the family of Floricelda Nunez. As a corporate partner with International Aid, Dow is donating $2 million of resin for the first 300,000 HydrAid filters International Aid is distributing to improve the health of more than a billion people who do not have access to safe drinking water.


BioSand Water Filter videos on Vimeo

There are many uploaded videos on Vimeo about the BioSand Water Filter. You can type "BioSand Water Filter" on the search engine if you are looking for videos related to it.


Automated BioSand Filter - Appropriate Technology - Affordable Clean Water Solution
This video demonstrates how BioSand Filter works.


There are many uploaded videos on YouTube about the BioSand Water Filter. You can type "BioSand Water Filter" or "BioSand" only on the search engine if you are looking for videos related to it.

BioSand Water Filter Construction DIY Step-by-Step

This video will show you how to construct the BioSand Water Filter using materials like PVC and CPVC.

Chapter 6: BioSand Filter Design

In this chapter, Kristina Nelson, an environmental engineer from Safe Water and LED Lighting Operatives Worldwide, Inc. (SWALLOW -, explains how to design, build and operate a pause biosand filter for your own home.

DIY Biosand/Biochar Water Purification System

Here is a quick video on the three-staged Biosand, Biochar water purification system. They are pumping dirty ground water by a local sewerage treatment system and run off from agricultural practices. The water filter is used to treat the dirty water for domestic use.

How a BioSand Filter Works - Animation Style

This video explains how a biosand filter works for those who have short attention spans.

How the BioSand Water Filter works - Samaritan's Purse Canada

Here is a video from Samaritan's Purse Canada explaining how the BioSand water filter works.

How to Install a Bio Sand Filter

In this 8 minute video learn how easy a Bio Sand Water Filter is to install. You will also learn how easy they are to maintain and what an important tool for improving someone's life.

The BioSand Water Filter

This is an advertisement video on the BioSand Water Filter. But this is not just an advertisement. The video contains information about the filter and how it works.

Turn On The Tap: How The BioSand Water Filter Works

The BioSand Water Filter is an adaptation of slow-sand filtration that is designed for use by families at the household level. A key part of Turn On The Tap, it has helped save thousands of lives through efficiently providing clean water.


Centre for Affordable Water and Sanitation Technology (CAWST)

This page contains information about Biosand Filters. There are information on how to construct or install it, how to operate and maintain it, designs, performance, and projects.

Manz Water Information

This is the official site for BioSand Water Filter. It is the website of David Manz, the man who developed the BioSand Water Filter. Here on this page you can find information about this water filter. There are also information on global warming and climate change.

Pure Filtered Water Ltd.

This website describes the attributes of the technologies such as the BioSand Water Filter and other inventions of Dr. David Manz, the owner and director of Pure Filtered Water Ltd.

Samaritan's Purse Canada

Samaritans Purse is also sending BioSand Water Filters around the world. For more information, please visit their website. You can also find resources or articles about biosand. Please put the word "biosand" in the search engine.

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World Christian Missionary Resources - Helping you reach your world for Jesus