Population Services International (PSI)

WaterGuard is a dilute sodium hypochlorite solution used as a point-of-use treatment for household drinking water.

Product description Brand name and product description

WaterGuard (also know as Sur’Eau in French-speaking regions) is a household chemical water treatment method distributed by Population Services International (PSI). This point-use water treatment is a controlled chlorine dosing method. It does not require the level of monitoring or use of complex equipment like traditional gas systems. WaterGuard is part of the Safe Water System (SWS), a water quality intervention program to be used in collaboration with safe water storage, and behavioral change communication. Correct use of the product in combination with SWS has shown to reduce diarrheal disease incidence in users by 22-85%.

Target region(s) Target region for distribution/implementation (listed by country if specified)

PSI distributes globally to over 20 countries, The product is distributed throughout Asia & South East Asia, and most of the southern regions of Africa.

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

The PSI is the major community distributor. Partnerships with PATH (funded by the Bill and Melinda Gates Foundation & CDC), the University of Malawi in conjunction with CDC, Pan American Health Organization (PAHO) and World Health Organization (WHO), have also facilitated distribution and implementation of the product.

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

0.08-0.33 USD

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

Three of the product’s main competitors are P&G Purifier of Water (previously known as PUR),  Gadyen Dlo by Deep Springs International, and MSR SE200 Community Chlorine Maker.

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

SDG 6: Clean water and sanitation

Target user(s) Target user/consumer base (country, income segment)

Individuals or households using contaminated water sources.

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