Proceedings of the World Environmental and Water Resources Congress 2013: Showcasing the Future, held in Cincinnati, Ohio, May 19-23, 2013. Sponsored by the Environmental and Water Resources Institute of ASCE. This collection contains 326 papers covering a broad range of current research and practice in the field of environmental and water resources engineering with a focus on emerging and cutting-edge technologies. Papers from the following symposia are included: 10th Urban Watershed Management Symposium; 11th Symposium on Groundwater Hydrology, Quality, and Management; 15th Annual Symposium on Water Distribution Systems Analysis; Symposium on Cloud Computing in Water and Environmental Engineering; 1st Annual Symposium on Uncertainty Analysis Approaches in Hydrologic Modeling; Symposium on Desalination and Water Reuse; Symposium on Hydraulic Fracturing; Hydro-Climate Symposium on Modeling Climate Change; Ohio River Basin and Large Rivers Issues and Research Symposium; and the Daniel P. Loucks Water Resources Symposium. Additional topics include integrated water resources management; education and research; hydraulics and waterways; environmental planning and management; water, wastewater and stormwater management; and history and heritage. This proceedings will be of interest to a wide range of engineers in academic research, government agencies, and private sector design and construction.