The top water science and engineering journal Water Research has just published a paper led by Syed Imran Ali, Dahdaleh Institute Research Fellow, with contributions from Syed Saad Ali (DIGHR) and Jean-Francois Fesselet from Médecins sans Frontières (MSF). The paper investigates post-distribution chlorine decay and household water safety in refugee camps in South Sudan, Jordan, and Rwanda with the goal of demonstrating an approach for generating site-specific and evidence-based chlorination targets that better ensure household water safety and better protect public health during emergencies. 

This paper is the first engineering research to model post-distribution chlorine decay, and has implications for public health protection wherever people must store and use water for many hours after it leaves the tap -- like in refugee camps during humanitarian emergencies or intermittent water systems in LMICs. The modelling approach developed in the paper forms part of the basis for the Safe Water Optimization Tool.

The paper is available open access here thanks to generous support from the Humanitarian Innovation Fund/Elrha.

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