Widya Prihesti Iswarani is a graduate environmental engineering master student from Delft University of Technology. She conducted research about microbial water quality in rural areas in Indonesia as a part of her master’s degree. For the completion of her study, she conducted research about nutrients recovery from municipal sewage in collaboration with a water research institute and several water boards in The Netherlands. Currently, she is working as an independent consultant to monitor the attainment of SDG 6.3.1 in many developing countries in Asia.