A debate has emerged in Vietnam over the correct terminology to describe recent flooding, sparked by a statement from the Department of Construction. Officials clarified that water levels must exceed 30 centimeters and remain for over 30 minutes to be officially classified as “ngập úng” (flooding). Instances of water levels slightly below this – around 20 centimeters – are instead being termed “dềnh nước,” a less severe descriptor. This distinction has drawn criticism, with some questioning the practical impact of such a specific definition. Critics argue the detailed categorization feels detached from the lived experience of residents navigating flooded streets. The controversy highlights potential disconnects between official reporting and public perception of flooding events, and raises questions about infrastructure’s capacity to cope with even moderate rainfall. The incident underscores the importance of clear and relatable communication during natural disasters.