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
Featured resources
Chlorine Calculator
Use this calculator to determine the chlorine needed for disinfecting wells, drinking water, and storage tanks. Read instructions before use.
Learn About Drinking Water Quality Testing
A collection of short e-learning tools and job aids to help humanitarian and development workers test the quality of drinking water under field conditions.
Learn About Household Water Treatment
Wondering how you can provide safe drinking water in homes, schools and clinics in your community? Household Water Treatment and Safe Storage (HWTS) is a simple and effective solution. Find all the basics to get started here!
Lesson Plan: Hygiene Workshop for Food Processors in School Kitchens
Download this lesson plan and materials to facilitate a 3-hour session with food processors from school kitchens.
Trainer's guide: Hygiene Workshop for Food Processors in School Kitchens
In this module you will learn how to use the lesson plan and materials to facilitate a 3-hour session with food processors from school kitchens.
School Kitchen Hygiene Poster: Kitchen Superheroes
Use this poster to promote good hygiene practices in school kitchens.
School Kitchen Hygiene Sticker: Cleaning Kit
One of three stickers to be printed and used as reminders and nudges in school kitchens. This sticker is to be placed on cleaning kits, it lists the items they should contain.
School Kitchen Hygiene Sticker: Chlorine Disinfectant Solution
One of three stickers that are printed and used as reminders and warnings in school kitchens. This sticker is to be affixed to a spray bottle. It contains the recipe for a chlorine cleaning solution.
School Kitchen Hygiene Sticker: Handwashing
One of three stickers to be printed and used as reminders and nudges in school kitchens. This sticker is designed to be placed in critical places around the school kitchen reminding staff to wash their hands, "their health is in my hands".
School Kitchen Hygiene: Task Table
Print this task schedule to organize and monitor the cleaning of school kitchens.
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.