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Water use in Japan

Introduction

Japanese Rivers, lakes, groundwater, and sea areas have long been the foundation of people’s daily lives and industrial activities such as water sources, fisheries, and transportation.

Water resources

Fig.1 shows the water circulation and the situation of use in Japan. Japan is located in the Asia monsoon zone, which is one of the most rainy areas in the world …

Water use

Status of water usage Current status of water usage Japan’s water usage record in 2011 is about 80.9 billion m3

Water pollution indicators and standards

We use many substances together with water in our daily life and industrial activities, and these are contained in waste and wastewater and discharged to the environment.

Current state of water environment

Due to the rapid expansion of industrial activities and the concentration of man-made cities during the post-war period of high growth, serious pollution of environmental water has progressed. Such …

Mechanism of water pollution

The process by which substances flowing into running water pollute environmental water quality under the control of environmental conditions involves a variety of factors and complex interrelationships.


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