This book provides students of engineering, technicians, and professionals with an easy introduction to the topic of water treatment. After a compact introduction to the fundamentals of chemistry and water chemistry, the book presents a comprehensive overview of the various water treatment processes. All known methods are described in detail, and practical examples are provided for each treatment technique presented. The current 6th edition has been updated, particularly with regard to the new drinking water regulations that have been in effect since January 2003 and an expansion in membrane processes.