Arizona Know Your Water'A Consumer's Guide to Water Sources, Quality Regulations, and Home Water Treatment Options was written for Arizona residents who wish to become familiar with water-related issues in the state. The guide was funded through the UA Technology and Research Initiative Fund (TRIF) Water Sustainability Program and was written by water quality specialists Janick Artiola, Department of Soil, Water and Environmental Science and Kathryn Farrell-Poe, Department of Agricultural and Biosystems Engineering; and Jacqueline Moxley, coordinator, Water Sustainability Program, Water Resources Research Center.