Most Small Scale Irrigation schemes are not performing efficiently worldwide. The Reasons could be social, environmental or technical. Some of the reasons are well addressed in this book under the main topic irrigation system analysis implicating on standard performance evaluation techniques and tools with Practical illustration on Selected Schemes in Southern Ethiopia. Hence this book gives a clue for irrigation scheme managers how to appraise irrigation system performances and improve the bottlenecks for better management. Irrigation design engineers also gain a clear view of items to be considered before designing a certain scheme. This book can also be used as a text for irrigated crops management courses at a post or undergraduate level as well.