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  • Jul 02, 2018

Tokyo

Water and wastewater service in Tokyo dates back to the 1890s, approximately 130 years ago. Facilities have been expanded continuously to keep up with the population’s desire for improved services. The city’s water-related offices have struggled to provide the best possible service, while confronting new challenges from climate change and natural disasters. Currently, water-related services cover a population of approximately 13 million and an area of 1,239 km2. Service coverage is 100% from 11 water purification plants and 20 wastewater treatment plants.

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