Water control is essential to Japan, as more than half of its invested capital is concentrated in elevations under sea level and the majority of the island nation is exceptionally vulnerable to flooding. To avoid potential crisis, the Japanese have developed exceptionally innovative water management practices. Offering the unique perspective of Dutch engineers, considered the world’s most progressive urban water experts, this volume provide a detailed look at how Japan has developed its modern water system. It looks at the system of Tokyo city, discusses river management practices and urban flood control throughout the country, and considers the impact that these innovations have had on delta regions.