The Interreg project I-QUA ("I" stands for innovation, intelligence and interaction and "Qua" for qualitative solutions for waste water treatment) aims to provide qualitative solutions for decentralised waste water treatment through to innovation. During three years (from April 2017 to March 2020), six Flemish partners (Province of West Flanders, VLAKWA / VITO, UGent, Aquafin, Plant Projects / Tuinen Igodt and Ecobeton Water Technologies) and two Dutch partners (Bernheze and Gilze- Rijen) will develop innovative solutions and test them at different locations. There will be testing of waste water technologies at a goat farm, a catering business, a carwash and a local football club. Within the project, a mobile plant system in a container will also be developed to treat waste water from events. There is a strong focus on the local re-use of the treated wastewater and the recovery of raw materials (nutrients) and energy.