International Summer School of Water and Wastewater Management, Experiences from Iran organized by University of Tehran and Western Asian Development Institute from 15 to 22 September. The aim of the Summer School was to provide Ph.D. and M.Sc. students from Chinese Academy of Sciences with the most updated advances in water sciences and engineering from both the theoretical and methodological points of view. The program was organized in an intense week of lectures with the full day work. Part of the day was devoted to the presentations by the participants, while in the rest of the day lecturers will provide ex-cathedra lectures. An official certificate of participation was awarded to students. Seven workshops and lectures from different background of water sciences were presented during the program, in addition to three cultural trip to Tehran and Kashan and one field trip to Karaj Dam.