part Part I Water and Wastewater Operations: An Overview -- chapter 1 Problems Facing Water and Wastewater Treatment Operations -- chapter 2 Water and Wastewater Operators and Their Roles -- chapter 3 Water and Wastewater References, Models, and Terminology -- part Part II Water/Wastewater Operations: Math and Technical Aspects -- chapter 4 Water and Wastewater Math Operations -- chapter 5 Water Hydraulics -- chapter 6 Fundamentals of Electricity -- chapter 7 Hydraulic Machines: Pumps -- chapter 8 Water and Wastewater Conveyance -- chapter 9 Flow Measurement -- part Part III Characteristics of Water -- chapter 10 Basic Water Chemistry -- chapter 11 Water Microbiology -- chapter 12 Water Ecology -- chapter 13 Water Quality -- chapter 14 Biomonitoring, Monitoring, Sampling, and Testing -- part Part IV Water and Water Treatment -- chapter 15 Potable Water Sources -- chapter 16 Watershed Protection -- chapter 17 Water Treatment Operations and Unit Processes -- chapter 18 Wastewater Treatment.