«Training manual for students of the correspondence department of the faculty "Water supply and sanitation" (3 year 5 semester) : [Electronic]" is an indispensable educational resource created by a team of authors, specially designed for students enrolled in correspondence in the third year, the fifth semester of the faculty "Water Supply and Sewerage". This book is a comprehensive guide, which will help future engineers and specialists to understand all the subtleties and nuances of modern technologies and methods in the field of water supply and sanitation , and also prepare for professional activities in the conditions of real production tasks. This e-learning manual is not just a collection of theoretical knowledge, but a full-fledged practical tool that combines current standards, regulatory documents and modern approaches to the design, operation and maintenance of water supply and sewerage systems. The book covers in detail such topics as hydraulics and hydrodynamics of water systems, methods of calculation and design of water networks, water purification and disinfection, as well as sewage systems and their operation. The author’s team carefully structured the material so that it was understandable and accessible to students, without losing scientific rigor and professional accuracy. The peculiarity of this manual is its relevance and compliance with modern industry requirements. In the context of rapid technology development and the introduction of innovative solutions in the field of water supply and sanitation, the book helps students to stay up to date with the latest trends and scientific achievements. It presents modern methods of diagnostics and monitoring of systems, process automation, as well as environmental safety and energy efficiency issues, making it a valuable source of knowledge for future professionals seeking professional growth and development. The book "Training manual for students of the correspondence department of the faculty "Water supply and sanitation" (3 year 5 semester) : [Electronic]" is ideal for students who are looking for structured and understandable material for self-study, as well as teachers seeking to supplement their lecture courses with relevant practical examples and tasks. This electronic format provides easy access and the ability to quickly find the necessary information, which is especially important for part-time students who combine their studies with work or other duties. The book is written in a clear and lively style, which makes complex technical topics more accessible and interesting. The author's team, including leading industry specialists, uses examples from real practice, illustrates theoretical positions with diagrams and graphs, which contributes to better assimilation of material. In addition, the manual raises important topics related to environmental responsibility and sustainable development, which makes it not only a textbook, but also a source of inspiration for future engineers who want to contribute to the development of the water industry. If you are a student studying in correspondence in the specialty "Water Supply and Sewerage", or a teacher looking for a modern and practical teaching aid, this publication will become a reliable assistant for you. It will help not only to prepare for exams and tests, but also to form a solid knowledge base necessary for successful professional activity. In today's world, where the quality of water resources and their rational use are becoming priorities, this book is your reliable companion on the way to professional success and development. Please note that the “Training manual for students of the correspondence department of the faculty “Water Supply and Sewerage” (3 year 5 semester) : [Electronic]” is not just a textbook, but a key to understanding the complex processes and technologies underlying the modern water industry. Its content will help you not only to successfully master the curriculum, but also to prepare for the challenges of real practice, to become a competent specialist capable of solving current problems in the field of water supply and sanitation.