The Yokohama Channel 130 years history
We produced "history of Yokohama Channel 130 years" as collection of cartulary, information which described historical fact mainly on approach of Water Works Bureau during 30 years from 1988 to 2017 objectively after first Japanese modern water supply being born in Yokohama, and having touched step until Channel foundation 100 years in modern times because we invited year of turning point of 130 years.
"History for Yokohama Channel 130 years" (the whole version) (PDF: 69,239KB)
At cover - beginning (PDF: 1,541KB)
Water supply expansion 1887-1987 (PDF: 31,348KB) that supported the foundation of water supply and development of big city Yokohama in "history of Yokohama Channel 130 years" Chapter 1 modern times
Establishment and fiscal consolidation 1988-2001 (PDF: 12,828KB) of the "history of Yokohama Channel 130 years" Chapter 2 stability water supply system
Pursuit 2002-2009 (PDF: 13,864KB) of "history of Yokohama Channel 130 years" Chapter 3 management reform and customer satisfaction
Promotion 2010-2017 (PDF: 12,746KB) of water supply management of "history of Yokohama Channel 130 years" Chapter 4 relief and trust
We will envision "history of Yokohama Channel 130 years" last chapter living and the future of town in the future with the present of supporting erutameni Yokohama Channel (PDF: 8,337KB)
Material (PDF: 4,983KB)
Main references - colophons
Main references - editor's postscripts (PDF: 855KB)
"History of Yokohama Channel 130 years" opening data
We release a part of the statistical data published in "the Yokohama Channel 130 years history" as open data.
Changes (CSV: 16KB) such as water supply population, water supply
Change 1927-1972 (CSV: 10KB) of use quantity of water according to use
Change 1973-2018 (CSV: 14KB) of use quantity of water according to use
Change (CSV: 4KB) of existence yield
Water for industrial use way business statistics (CSV: 4KB)
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