IWMI Award 2012/2013 sponsored by International Water Management Institute for the winner of the Competition on ‘Water Resources Development and Management for future challenges; Role of Engineer Meeting Future Challenges of Water Resources Development/Management in Sri Lanka’. Best Technical Paper (over 35 y of age) by Institution of Engineers Sri Lanka was awarded to the joint paper ‘Floating wetlands for management of algal washout from waste stabilization pond effluent: A case study at Hikkaduwa waste stabilization pond’ authored by Kalubowila, S., Jayaweera, M., Nanayakkara, C.M. and Gunatilleke, N De S.