The Water Supply . Design and calculation of the reagent economy of water treatment plants”, created by the team of authors, is an indispensable source of knowledge for specialists in the field of water supply and sanitation, as well as for students studying engineering disciplines This publication is not just a manual, but a whole guide that covers all aspects of the design and calculation of the reagent economy, which makes it relevant for both practitioners and theorists. The book discusses in detail the key points of the design of water treatment plants, including the choice of reagents, their dosing and the impact on the quality of purified water. The authors pay special attention to modern technologies that are used in this area, which allows readers to be aware of the latest trends and innovations. Each section of the book is riddled with practical examples and calculations, which makes the material accessible and understandable for perception. This book will be of interest not only to professional engineers and designers, but also to students of technical universities who want to deepen their knowledge in the field of water supply. It can also attract the attention of environmentalists and environmentalists, as the issues of water treatment and quality are becoming increasingly relevant in the modern world. Readers interested in sustainable development and environmental technologies will find much useful information in this book. The topics raised in the book cover a wide range of issues, such as the choice of optimal treatment technologies, the impact of reagents on water quality and human health, as well as the economic aspects of water treatment plant design. The authors emphasize the importance of an integrated approach to design that takes into account not only technical, but also environmental, economic and social factors. This makes the book especially valuable for those who seek to create efficient and safe water supply systems. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to absorb complex technical aspects. They use many illustrations, diagrams and tables, which greatly simplifies the understanding of the material. The team of authors consists of experienced specialists who not only have extensive practical experience, but are also actively engaged in scientific activities. This gives the book added value as it is based on current research and practical data. If you are looking for literature that will help you understand the intricacies of water treatment plant design, then “Water Supply. Design and calculation of the reagent economy of water treatment plants" will be a real find for you. This book will not only expand your knowledge, but also inspire new ideas and solutions in your professional activities. In conclusion, we can say that this publication is not just a book, but a whole guide to the world of water supply, which will help you become a real expert in your field. Do not miss the opportunity to deepen your knowledge and improve your skills with this unique source of information!