More than 400 internationally renowned Israeli companies and still little-known "startups" develop and produce innovative technologies and equipment for water supply and treatment systems of cities, industrial enterprises and agricultural sector. In this book you will find original solutions to the global world problem - CHRISISTIES OF WATER. The main focus is on three problems: leakage reduction (pressure regulation in water supply systems, new intelligent technologies based on Big Data for comprehensive solutions to water supply problems and space-based leak detection technologies); drinking and industrial water treatment (automatic filtration, disinfection, osmosis) and wastewater treatment (reagent-free environmentally friendly technologies). All technologies presented in this work have already been successfully operated in Israel and other countries around the world. The book is intended for specialists in water supply and treatment of municipal and energy services of citiesand industrial enterprises, design companies and research institutes, teachers and students of higher educational institutions.