The Guidance note begins by briefly discussing the rationales of integrating CE in development projects in general and in water sector in particular. Also present a brief history of CE in development practice, and more specifically in the World Bank. After presenting methodology of the note in the third section, fourth section presents the survey of CE approaches used the water delivery sector. Fifth section identifies some challenges that have been observed in integrating CE approaches in water projects. Sixth section distills some lessons from these experiences. Seventh section concludes.