This paper is intended for WASH technical advisors and personnel involved in planning and delivery of WASH programmes in urban flood emergency situations. Material in the paper is based both on a rapid review of literature, and on outputs from a learning workshop held in Haiti in March 2009. This paper identifies various lessons that can be learned from the experiences of relief agency staff when responding to urban flooding emergencies. The paper does not claim to be comprehensive, but can serve as a helpful document, which captures some important lessons to help improve future responses to floods in urban areas, and which can be added to in the future.