Part 5 of the 5-part Principles and Practices of Water Supply Operations (WSO), this text provides a practical education in mathematics, hydraulics, chemistry, and electricity. Hundreds of problems and examples are included to relate these sciences specifically to municipal water supply operations.This book is referenced in the four other textbooks in the series. It is a required text when used with other WSO series texts, but may be used alone as a basic science text. Designed for self study or classroom use, the Fourth Edition provides many new problems and examples. Includes glossary, index, conversion tables, periodic table of the elements, and color plates.