Learn and teach others about water, sanitation and hygiene

You want to increase quality-of-life for people by helping to provide better water, sanitation and hygiene (WASH). But it’s hard to find accurate, easy-to-understand information. This site was created to support you with free resources that will increase your knowledge, help you make better decisions, and assist in teaching others.

Search through the collection of WASH resources

Recently updated resources

About CAWST

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.