Evidence Action: Chlorine Dispensers for Safe Water

To improve survival and health status of children in target populations by reducing under-five morbidity and mortality from diarrhea.

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Treating drinking water with dilute chlorine reduces diarrhea by an average of 29%, yet household adoption remains low. Dispensers have been shown to boost adoption of water treatment from less than 10% to almost 60% in randomized controlled trials. Dispensers are also extremely cost-effective, as providing a bulk supply of chlorine reduces packaging costs. At scale, costs could be less than $0.30 per person served per year, with a cost per disability adjusted life year (DALY) saved of $20-30.

How does your innovation work?

The project aims to scale the Chlorine Dispenser System in an effort to significantly reduce the burden of diarrheal diseases. IPA has been implementing Dispensers in Kenya for some time, and hopes to expand their success to other countries in the East Africa region.

What is your strategy for expanding use of your innovation?

The project will focus on providing 5 million people across several countries with access to chlorine via cost effective, sustainable Dispenser programs and increasing adoption. They will also disseminate project results and continue to refine operations.

Next Steps

The overall project goal is improved survival and health status of children in target populations by reducing under-five morbidity and mortality from diarrhea. This is supported by two objectives: 1) reduce incidence of childhood diarrhea by at least 20 percent in target regions where dispensers are implemented and 2) establish Dispensers as an innovative, proven, low-cost approach to water treatment that can be scaled in multiple countries.

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