Being the window to the world for water sector technology, the LET gathers international experts on water technology innovations for the water sector. The Leading Edge Conference series on Water and Wastewater Technologies have built a world-class reputation as the forum for leading researchers to share and debate. The key to the success of the LET conferences, and their strong reputation, is the excellent scientific programme that has a perfect blend of academic research and implementation of novel technologies. The IWA Leading Edge Conference on Water and Wastewater Technologies, are ready to provide a platform where technological innovations and ideas for a sustainable, water-wise future can flourish. For the 2019 edition, water professionals from across the world come together in Edinburgh to reimagine the future of water. www.iwa-let.org