In recent decades, Tunisia has made remarkable progress in reducing poverty and increasing access to water supply, sanitation, and hygiene (WASH) services. More than 4 million people in Tunisia have gained access to improved sanitation between 1990 and 2015, and 4 million have gained access to...

This paper argues that there are many challenges to designing and implementing water and sanitation interventions that actually deliver economic benefits to the households in developing countries. Perhaps most critical to successful water and sanitation investments is to discover and implement...

The investments needed to deliver sustainable water and sanitation services, including the funds that are needed to operate and maintain the infrastructure, expand their coverage and upgrade service delivery to meet current social and environmental expectations, are huge. Yet, most systems are...

Where they exist, tariffs for water supply and sanitation services face a tension between different policy objectives, such as ensuring the financial sustainability of service provision and ensuring access to all, including vulnerable and poor social groups. Governments (local and national)...

This brief includes the following headings: introduction; building on experience - scaling up; two sizes, two approaches; results on the ground; ensuring provision of services to the poor; beyond the project; conclusion; lessons learned; about the authors; and about 'en breve'