A Workshop on new Technologies & Applications For Water and Wastewater Systems in Viet Nam held by Vietnam Water Supply and Sewerage Association (VWSA) and South East Asian Water Utilities Network (SEAWUN) was taken place at Melia Hotel, Hanoi, on July 26th, 2013. Invited honourable guests to the workshop are Mr. Cao Lai Quang-Deputy Minister of Construction, Chairman of VWSA, Mr. Noupheak Virabouth – SEAWUN’s President; Mr.Nguyen Van Thien – SEAWUN’s Executive Director, BIWASE’s General Director and many Leaders from management organizations under MOC, MPI and water utilities of Viet Nam and Laos, DPR.