Oubangui River, the second largest tributary of the Congo River, has recently experienced a devastating flood that has led to several tens of thousands of displaced people in a country already heavily affected by the conflicts that are taking place there. This exceptional flood was measured by hydrologists who met in Bangui, Central African Republic (CAR) for a conference on “Water Quality and Uses in Central and East Africa: Impacts on Ecosystems and Health” (to be continued…).