The Science of Healthy Water provides a comprehensive, up-to-date treatment of the scientific and engineering fundamentals essential for ensuring safe water in an increasingly complex world. It bridges traditional water management practices with cutting-edge artificial intelligence applications, equipping students, operators, water managers, and policymakers with the multidisciplinary knowledge needed to address modern water challenges. Covering everything from water sourcing and treatment to distribution and sustainability, the text emphasizes sound science and practical solutions while exploring how AI can revolutionize water quality monitoring, pollutant removal, and system optimization. Provides forward-looking insights into how artificial intelligence can transform water treatment technology, fault detection in purification equipment, and real-time water quality assessment. Prepares readers to ensure that water-our most fundamental resource-remains safe, healthy, and sustainable for future generations. Features abundant illustrations, ample exercise problems, and a conversational writing style that makes complex quantitative and technical concepts understandable.