The book "Practical Methods of Wastewater Treatment for Homes, Hotels, and Institutions" by Henry Burdett Cleveland and Henry Neely Ogden is a study devoted to effective methods of wastewater management in households, hotels, and institutions. The book examines modern wastewater treatment technologies in detail, their advantages and disadvantages, and also provides practical advice on choosing the optimal method for specific conditions. The authors take a detailed look at a variety of wastewater treatment systems, ranging from simple solutions for private homes to more complex technologies suitable for large hotels and institutions. The book contains numerous examples, recommendations for planning and equipment selection, as well as instructions for managing and maintaining the wastewater treatment system during operation. "Practical Methods of Wastewater Treatment for Homes, Hotels and Institutions" will be a useful guide for both specialists in the field of water supply and water treatment, as well as anyone interested in issues of ecology and sustainable development. The author's approach to the topic, which combines theoretical knowledge with practical advice, makes this book an important source of information in the field of water management.