Quick Resource on the water-energy nexus:http://wrrc.arizona.edu/sites/wrrc.arizona.edu/files/Quick%20Resouce-%20Water%20Energy%20Nexus%20%28final%29.pdf
Other resources on water supply and demand:
Recent U.S. Bureau of Reclamation Colorado River Basin Supply and Demand Study. The study estimates a supply and demand imbalance of 3.2 million acre-feet by 2060. http://wrrc.arizona.edu/sites/wrrc.arizona.edu/files/BOR_Colorado%20River%20Basin%20Water%20Supply%20and%20Demand%20Study.pdf
Collection of articles discussing demands on the Colorado River. http://www.waterwebster.com/ColoradoRiver.htm
Article discussing the rising price of water in major U.S. cities: http://www.circleofblue.org/waternews/2014/world/price-water-2014-6-percent-30-major-u-s-cities-33-percent-rise-since-2010/