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Water Source Eco Project W-eco p (with cup)

Water Source Conservation Activities between Companies and Organizations and Yokohama City "Protect Forests and Water Sources"

Final update date February 5, 2021


What is the Water Source Eco Project W-eco p?


- In May 2009, Yamanashi Prefecture, Doshimura and Yokohama City said, "Joint on Global Warming Countermeasures."
 This system was established as part of the activities of the Study Group.
- City of Yokohama, Water Works Bureau owns a water source forest in Doshimura, Yamanashi Prefecture is donated by companies and organizations.
 This is an effort to promote maintenance.
- This is an effort to promote the importance of water sources for both companies and organizations.

Business structure and effect


Based on the "with cup" agreement,

In principle, more than 3 hectares in three years

Expenses for maintenance of water resources owned by City of Yokohama, Water Works Bureau-owned

(300,000 yen / hectare) is donated.


City of Yokohama, Water Works Bureau has been managing and preserving

We support the maintenance of water source forests.

Of public forests owned by City of Yokohama, Water Works Bureau, maintenance is required.

It is used as part of the maintenance costs for artificial forests.

Water Source Eco Project W-eco p Leaflet

  July 2020 update (design has been renewed)

List of companies and organizations concluded (in order of agreement concluded)

List of Concluded Companies and Organizations
Names of companies and organizations (titles omitted) Date of Agreement Total maintenance period Total area
Keikyu Department Store Co., Ltd. (outside site) May 26, 2009 14 years 25.31ha
Bridgestone Co., Ltd. (outside site) January 13, 2010 13 years 28.76ha
Kanagawa Prefectural Housing Lots and Buildings Business Association (outside site) February 8, 2010 12 years 12.81ha
Fankel Co., Ltd. (outside site) June 23, 2010 12 years 25.29ha
Eco-City Service Co., Ltd. (outside site) March 29, 2011 11 years 12.00ha
Seikosha Co., Ltd. (outside site) March 29, 2011 12 years 24.00ha
Tokyo Gas Eco Co., Ltd. (external site) March 29, 2011 12 years 24.00ha
Pacific Consultants Co., Ltd. (outside site) June 22, 2011 12 years 12.00ha
Yokohama Yomiuri-kai (Northern Yokohama Yomiuri-kai) (East Yokohama Yomiuri-kai) (Western Yokohama Yomiuri-kai) July 15, 2011 9 years 15.00ha
GT Associated (External Site) July 19, 2012 9 years 9.00ha
ITO EN Co., Ltd. (outside site) November 28, 2012 9 years 9.00ha
Yokohama Shinkin Bank (outside site) October 23, 2013 9 years 9.00ha
Tsukui Co., Ltd. (outside site) March 19, 2014 9 years 9.00ha
Metawater Co., Ltd. (outside site) February 18, 2015 Six years 18.00ha
Nippon Water Techs Co., Ltd. (outside site) October 28, 2016 Six years 6.00ha
Kyosan Manufacturing Co., Ltd. (external site) July 8, 2020 Five years 15.00ha
Home Delivery Co., Ltd. (outside site) July 8, 2020 3 years 3.00ha

Activity Report

Initiatives for Sustainable Development Goals (SDGs)

From 2020, we have set a new target for SDGs in the Water Source Eco Project W-eco p.

 ≪Target setting concept≫
  Purpose of WIP
  Contributions from participating companies to promote the development of Doshi water source forests
  In cooperation with participating companies, publicize the importance of water sources.

  Reorganization of water source forests → 15 Let's protect the richness of land
  Collaboration → 17 Let's achieve our goals in partnership
  Suigen → 6 Safe water and toilets around the world

 The SDGs target was set from the above three keywords.

In order to supply safe and secure tap water as well as three targets, City of Yokohama, Water Works Bureauless, in order to supply not only three targets but also safe and secure tap water. This project aims to preserve the water source forest, which is indispensable for the supply of tap water, and works with companies and organizations that have agreed to this purpose to protect the Doshi water source forest.

Cooperation with Yokohama SDGs Design Center

Based on the background of setting the target of the SDGs, we will work on projects such as "Straw of Yokohama Kanna Shaving Tree" SDGs Straw Yokohama "" (outside site) using Michishi thinned wood, and comprehensively address environmental, economic and social issues. We also cooperate with the Yokohama SDGs Design Center (outside site) aiming for a solution.

[End of recruitment] We are looking for new wig supporters!

We are not currently recruiting new customers.

Image of Doshimura Agreement Site


Image of Doshi no Mori Kikin logo

For inquiries about water supply, please contact 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.

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Inquiries to this page

Water Works Bureau Business Promotion Department Public-Private Partnership Promotion Section

Telephone: 045-671-3084

Telephone: 045-671-3084

Fax: 045-212-1169

Email address: [email protected]

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