Alike author's earlier two books namely hydraulics and fluid mechanicsa" and irrigation water resources and water power engineeringa". This book entitled water supply engineeringa" is also a complete text book on the subject. The various topics have been explained in simple language. It contains detailed information based on the latest indian standards. The text has been supplemented by a large number of solved illustrative examples and equally large number of problems. In the selection of the solved as well as unsolved examples special care has been taken to include those examples which have appeared at the examinations of the various universities as well as amie. Combined engineering services examinations and other competitive examinations. The book has been made self-contained and therefore it will be useful for the students appearing at the examinations. It is hoped that this single book will cover the need of the students of civil engineering studying the subject at the undergraduate level.