ABSTRACT
Water quality and water treatment are issues growing in importance, and processes have to be developed to address the challenges they pose both in developing and in developed countries with a particular attention to emerging pollutants. This chapter aims to provide an overview of the main urban water infrastructures related to water treatment; discuss the conventional chemical pollutants and sources in the context of urban water systems, including emerging pollutants such as nanomaterials and microplastics; and provide a critical discussion on the research priorities and challenges to assess and limit their potential risks regarding water security and quality.
