Here's the text.

History of Yokohama Channel 130 Years

Last Updated April 26, 2024

History of Yokohama Channel 130 Years

Since the 130th anniversary of the birth of Japan's first modern water supply in Yokohama, we have created a collection of records and materials that objectively describe historical facts, focusing on Water Works Bureau's efforts over the 30 years from 1988 to 2017.
※There was a mistake in the contents of "Yokohama Water Supply 130 Years History". For details, please refer to the errata (PDF: 89KB) (October 27, 2021).

"Yokohama Water Supply 130 Years History" Open Data

We release a part of statistical document published in "Yokohama water supply 130 years history" as open data.

Changes in water supply population, water supply volume, etc. (CSV: 16KB)

Changes in Water Consumption by Use 1927-1972 (CSV: 10KB)

Trends in Water Consumption by Use 1973-2018 (CSV: 14KB)

Changes in yield (CSV: 4KB)

Industrial Water Supply Business Statistics (CSV: 4KB)

About the use of open data

The open data posted on this page is provided under a Creative Commons Attribution 4.0 International License.

For details, please refer to the link below.

https://creativecommons.org/licenses/by/4.0/legalcode.ja (external site)

For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.

Water Works Bureau Customer Service Center

Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.

You may need a separate PDF reader to open a PDF file.
If you do not have it, you can download it free of charge from Adobe.
To download Adobe Acrobat Reader DC