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Water Quality and Treatment
Clean water is essential for good health. In today's industrialised world, many waterways are polluted and water requires treatment to become safe for consumption. Small-scale approaches to water treatment can help people who don’t have access to mains water supplies.
Resources
A Small-scale Arsenic and Iron Removal Plant
This brief looks at a low-cost technology for arsenic and iron removal.
Shafiul Azam Ahmed, Published on 2008
Artificial Aquifer Tube Well
Artificial Aquifer Tube-well is an innovation to treat contaminated surface water for domestic use on the saline-prone coast and arsenic & iron contaminated parts of Bangladesh. The recharging...
ADB;Practical Action, Published on 2014
Assuring Quality: An Approach to Building Long Lasting Infrastructure in West Africa
This document aims to serve as a guideline and to measure the achievement in reaching infrastructure quality to supply improved and durable access to water and sanitation. Global Water Initiative...
Published by The Global Water Initiative - GWI on 2013
Bio-Sand Filter Designs in Indonesia & Tanzania
Stewart is a Scottish agricultural engineer living in Tasmania who undertook an ABV (Australian Business Volunteers) assignment in Jakarta and Tanzania to introduce and organise the manufacture of...
Stewart Brown, Published on 2013
Bio-sand Water Filters
This brief focuses on bio-sand water filters, which use sand and gravel to partly clean water with a simple approach.
Neil Noble, Published on 2011
Clay Water Filters
The American Red Cross and the Sri Lanka Red Cross Society have introduced appropriate clay water filter (CWF) technology to Sri Lanka.
AmRC;SLRCS, Published by AmRC & SLRCS on 2008
Household Water Treatment Systems
Household water treament technologies are increasing in their use, this brief mainly looks at bio-sand systems.
Neil Noble, Published on 2011
Les Filtres á eau Bio-Sable
Un filtre à sable conçu pour une utilisation domestique en alternance.
Neil Noble, Published on 2011
Removing Arsenic From Water
This brief outlines the different arsenic removal methods and technologies that are available for use with small-scale supplies in developing countries.
Sarah Matthews, Published by Practical Action on 2014
Slow Sand-Filtration Water Treatment Plants
Slow sand-filtration systems are a technically viable water treatment solution.
César Marrón, Published on 1999
SODIS - Désinfection de l'eau par le Solaire
Ce document traite d’une façon simple de boire l’eau sans risque en utilisant des bouteilles en plastique.
Martin Bounds, Published on 2012
SODIS - Solar Water Disinfection
This document looks at issues surrounding clean drinking water and a simple and low-cost solution called SODIS, where the heat and UV rays from the sun fall on water in plastic bottles, killing...
Published on 2011
SODIS - Solar Water Disinfection in Sri Lanka
This document looks at a simple way to make water safe to drink by using plastic bottles.
Neil Noble, Published by Practical Action on 2011
Solar Distillation
Solar distillation is the process of removing salts and other impurities using the energy of sun to get pure water for drinking.
Neil Noble, Published on 2014
Water Supplies for Food Processing
This document examines ways of ensuring that the risk of contamination in food preparation from the water supply is minimised.
Barrie Axtell, Published on 2014
Water Treatment Systems
Water supply can be contaminated by a number of external sources before it is consumed and used by households for cooking, cleaning and drinking.
Aimi Elias, Published on 2010
बाढीको प्रकोप हुने खानेपानीका स्रोतहरुको व्यवस्थापन
यस प्राविधि ज्ञानमा खानेपानी शुद्धिकरण कसरी गर्नुका साथै खानेपानीका स्रोत बाढीको समयमा प्रदुषित हुनबाट जोगाउन र प्रतिकूल समयमा पनि प्रयोग गर्न र के कस्ता उपायहरु बारे जानकारी समावेश गरिएको छ।
Khadka, Rakesh, Published by Practical Action, Nepal on 2017
Further Information
Publications
Practical Action Publishing produces books, journals and catalogs covering a range of development fields including water and gender issues, agriculture and health. It aims to provide academic information and support to where it is needed most in the world.
Surface Water Treatment for Communities in Developing Countries
This book is intended for use by small or isolated communities which may need to employ technologies that don’t depend on capital-intensive mechanisation and instrumentation.
Water Treatment and Sanitation
This is a collection of simple water treatment and sanitation methods for use in rural areas in developing countries and includes an appendix on planning in expanding towns.
Water Quality Surveillance
This is a practical guide for staff who carry out the monitoring of water supplies in developing countries, providing simple information on data collection, equipment use and inspection techniques and guidance on the use of monitoring data to improve water supplies and handling.
External Sources
The WELL resource centre has produced a number of Technical briefs and Factsheets related to water quality and treatment.
Technology Exchange Lab is an independent, not-for-profit organization that provides a platform where the global community can share and discuss innovative, locally implemented solutions to problems of poverty and sustainability.
Water Purification Product Solutions