WASH Coordination in Humanitarian Response: Evidence Summary
Providing water, sanitation, and hygiene (WASH) to emergency-affected populations is necessary for dignity and
disease control. Coordination, via the ‘cluster approach’, is key to WASH program success. We summarized the
outcomes and impacts of WASH cluster coordination using a mixed-methods approach, including literature review,
summary of UNICEF documents, and key informant interviews with experienced cluster staff. Across these three
data sets, consistent themes were identified, including: the cluster approach as a cost-effective ‘best-fit’ model that