Household water treatment (HWT), the use of simple accessible technologies for treating water within the home, is gaining momentum globally. As estimates of worldwide users top 1.1 billion and efforts focus on scaling up existing HWT programs, there is a need to document lessons learned from HWT implementation to date and disseminate them among new and existing implementers. CAWST’s review of current implementation practices coupled with years of experience working with implementers worldwide has demonstrated that while no one standard model exists, successful program implementation shares common factors. These factors have been developed into an implementation guidance framework, focused on five key areas; creating demand, ensuring supply, monitoring and improving implementation, building human capacity, and sustained financing
