The 2019 International Water Summer School was held at NMBU and USN 16 June – 6 July. 45 students from 12 countries participated in the course THT311 Water Resources Management and Treatment Technologies at NMBU from 17-27 June. The WaSo group left NMBU on 28 June to meet up with the WaSo PostDoc group from Bergen to participate in a course at University of South-Eastern Norway (USN) until their departure on 6 July.