This document discusses the integrated monitoring of SDG 6 on water and sanitation. It provides an overview of the global indicators for SDG 6 and the principles of SDG monitoring, which include country ownership, the importance of integrated data, harmonization across initiatives, and progressive monitoring to leave no one behind. It also describes pilot testing of methodologies for targets 6.3-6.6 in 2016 and means of implementation for targets 6.a and 6.b on international cooperation and stakeholder participation.