Spillways are structures which provide controlled release of excess water from dams and reservoirs. This release is of utmost importance otherwise the excess water can damage the dams and cause devastation. This book will be useful for the final year degree & diploma courses, and practicing engineers. The book broadly discuses various types of spillways, their designs, control structures, energy dissipation arrangements and their safety aspects. Written in question-answer format to help students grab the subject quickly and to the point, it contains 30 numerical examples alongwith 110 diagrams to understand the theory part. Due to its format it will be highly useful to students in viva voce and competitive examinations.