This text is designed to teach students the basic equipment, structures, operation, and maintenance of city water transmission and distribution systems. The Fourth Edition includes two new chapters: "Hydraulics of Water Distributions Systems" and "System Security and Emergency Response," and coverage of pumping stations has been expanded. Piping system design and installation, valves, water tanks, and other major components are covered. Additional topics include pipe tapping, cross-connection and backflow prevention, and fundamentals of information management. A special section discusses utility public relations and the role of the distribution system operator. A companion Student Workbook is also available (9781583218006).