Water Quality and Treatment
Small-scale approaches to water treatment can help people who don’t have access to mains water supplies.
General Resources
A Small-scale Arsenic and Iron Removal Plant
This brief looks at a low-cost technology for arsenic and iron removal.
Bio-sand Water Filters
A sand filter designed for domestic use on an intermittent basis.
Bio-sand Water Filters - Les Filtres a Eau Bio-sable
A sand filter designed for domestic use on an intermittent basis.
Clay Water Filters
The American Red Cross and the Sri Lanka Red Cross Society have introduced appropriate clay water filter (CWF)...
Household Water Treatment Systems
Household water treament technologies are increasing in their use, this brief mainly looks at bio-sand systems.
Slow Sand-Filtration Water Treatment Plants
Slow sand-filtration systems are a technically viable water treatment solution.
SODIS - Désinfection de l'eau par le Solaire au Sri Lanka
This document looks at a simple way to make water safe to drink by using plastic bottles.
SODIS - Solar Water Disinfection in Sri Lanka
This document looks at a simple way to make water safe to drink by using plastic bottles.
Solar Distillation
In solar distillation, water is evaporated and then condensed as pure water. Solar stills are a simple approach to...
Solar Distillation - Destilación Solar
En la destilación solar, el agua se evapora y luego se condensa como agua pura. Los destiladores solares son un...
Water Supplies for Food Processing
This document examines ways of ensuring that the risk of contamination in food preparation from the water supply is...
Water Treatment Systems
Water supply can be contaminated by a number of external sources before it is consumed and used by households for...
