With many worked examples, this book provides a step-by-step training manual for water treatment calculations. It presents all the fundamental math concepts and skills needed for daily water treatment plant operations. The text covers volume, flow and velocity, milligrams per liter to pounds per day, loading rate, detention and retention times, efficiency pumping, water sources and storage, coagulation and flocculation, sedimentation, filtration, chlorination, fluoridation, and softening. The workbook for this book can be purchased separately or together in the Applied Math for Water Plant Operators Set (ISBN: 9781566769884).