The book "History of the Water Supply of the World, Taken in a Comprehensive Form from Eminent Authorities, Containing a Description of the Various Methods of Water Supply, Pollution and Purification of Water, and Sanitary Effects, with Analyzes of Drinking Water" was written by Thomas Jefferson Bell. This book examines the development of water supply systems on different continents, analyzes the problems of water pollution and technical purification methods, and also considers the sanitary aspects of drinking water. This scientific work is an important source for understanding water resources and water supply in a historical context, and is also of great importance for the development of modern standards of sanitary and epidemiological safety.