Environmentally Friendly Water Supply System in Yokohama

Water is one of the basic human needs and the supply, transmission and distribution of it is a serious issue. But this important issue dose not overshadows the design and application of various technologies in the water supply system that least damage to the environment and reduce environmental pollution, affect energy consumption. Therefore, planning and measures for minimizing the negative impacts of the construction of dams, reservoirs and pipelines, energy consumption for pumps and processes and intersection transfer on the environment is essential. In this regard, Yokohama water supply system can be as an appropriate model in the field of water supply of a city with the least damage to the environment. This article is the result of a training course in 2015 in Japan as well as study and research on water supply system in Yokohama as an environmentally friendly water supply system and explains the methods used to reduce pollution in different parts of the water supply system of the mentioned city and aims to brief acquaintance authorities and experts concerned with the water supply system, as regards the Japanese by simple methods, proper positioning, using natural resources, application of advanced treatment technologies, modern equipment, public participation and the private sector and water loss reduction program, significant step in reducing pollution and energy consumption and at the same time deliver high quality water to consumers.