Yokohama Water Supply Medium-Term Management Plan

In order to carry out sustainable management of water supply and industrial water supply business, Water Works Bureau formulated the Yokohama Water Supply Long-Term Vision in March 2016 (2016), which shows the future vision to be shared with citizens and businesses, and the direction of initiatives aimed at realizing it. The Yokohama Water Supply Medium-Term Management Plan is an implementation plan to realize the future image drawn in a long-term vision.

Last update date February 14, 2024

　Since its establishment in 1887, the water supply business has entered an era in which it is necessary to rebuild the water supply system in light of the decreasing water demand in the future.
　Ahead of a major turning point in the era of restructuring, the first phase of the plan will proceed with "examination of business management with a view to the future" and the second phase plan, it will become an organization that can steadily promote water supply system reconstruction. We have been working on "strengthening the base of the water supply business" such as strengthening our management base and financial base.
　In the third plan, which covers the planning period from Reiwa 6 (2024) to Reiwa 9 (2027), we will continue to work on strengthening the foundation, optimize facilities by rebuilding the water supply system with a view to the future, We will promote our business toward "optimization of water supply business", such as the construction of an effective execution system and optimization of the operation system by improving operational efficiency, and aim for sustainable business operation.

Vision

Yokohama Water Supply Medium-Term Management Plan (Reiwa 6-9)

Yokohama Water Supply Medium-Term Management Plan (Reiwa 2-5)

Yokohama Water Supply Medium-Term Management Plan (FY2016-31)

Yokohama Water Supply Medium-Term Management Plan (Reiwa 6-9)

Booklet

■Summary version leaflet
Summary version leaflet (PDF: 2,311KB)

■All pages batch
Yokohama Water Supply Medium-Term Management Plan (Reiwa 6-9) (PDF: 55,297KB)

■Split Page
Cover (PDF: 1,921KB)
First (PDF: 911KB)
Table of Contents (PDF: 1,176KB)
Formulation (PDF: 3,761KB)
　1 Positioning of the Medium-Term Management Plan
　2. Progress management of the plan
　3 Water Supply and Industrial Water Supply System in Yokohama

Chapter 1 Environment Surrounding Water Supply Business and Industrial Water Supply Business (PDF: 566KB)
　1 Population Trends
　2 Trends in Water Demand and Charge Revenue
　Aging of 3 facilities
　4 Necessity of DX Promotion
　5 Necessity of Decarbonization Initiatives

Chapter 2 Targets in the Medium-Term Management Plan (PDF: 3,386KB)
　1 Promotion of optimization of water supply business with a view to the future
　2 Measure targets
　3 Perspectives in Initiatives
　4 Business Plan

Chapter 3 Business Plan (Water Supply Business) (PDF: 296KB)
　How to read each measure target page (PDF: 474KB)
　Measure Objective 1 Safe and High Quality Water (PDF: 6,404KB)
　Measure Goal 2 Water Supply Resistant to Disasters (PDF: 8,370KB)
　Measure Goal 3 Environmentally Friendly Water Supply (PDF: 5,806KB)
　Measure Goal 4 Enriched Information and Services (PDF: 4,395KB)
　Policy Goal 5 Social Contributions in Japan and overseas (PDF: 4,757KB)
　Measure Goal 6 Sustainable Management Foundation (PDF: 10,775KB)
　Financial income and expenditure plan (water supply business) (PDF: 756KB)

Chapter 4 Business Plan (Industrial Water Supply Business) (PDF: 243KB)
　Measure Goal 2 Water Supply Resistant to Disasters (PDF: 786KB)
　Measure Goal 6 Sustainable Management Base (PDF: 1,346KB)
　Financial income and expenditure plan (industrial water supply business) (PDF: 603KB)
Reference citizen opinion offer (PDF: 834KB)
Back cover (PDF: 424KB)

Conduct result of citizen opinion offer

On plan development, we carried out citizen opinion offer about contents of draft which we announced in January, 2024.
Thank you very much for your wide range of opinions and requests.
We will reflect a part of the opinions and requests we received in the plan and use it as a reference for future business operations.

[Implementation Results]
Conduct result of citizen opinion offer (PDF: 994KB)

Yokohama Water Supply Medium-Term Management Plan (Reiwa 2-5)

Booklet

■All pages batch

Yokohama Water Supply Medium-Term Management Plan-Aiming for Strengthening the Foundation of Water Supply Business-(Reiwa 2-5) (PDF: 31,790KB)

■Split Page

■Summary version leaflet
　　　　　Summary version leaflet (PDF: 1,154KB)

Implementation summary of citizen opinion offer [opinion offer is finished]

[Application Period]
From Tuesday, January 14, Reiwa 2 to Wednesday, February 12, [opinion offer is finished]
[Implementation Results]

Conduct result of citizen opinion offer (PDF: 1,044KB)

Progress of the Plan

・ FY2022 (PDF: 1,023KB)
・ FY2021 (PDF: 1,001KB)
・ FY2020 (PDF: 998KB)

Yokohama Water Supply Medium-Term Management Plan (FY2016-FY31) [Planning period]

Booklet

■Batch page

Yokohama Water Supply Medium-Term Management Plan (FY2016-31) (PDF: 12,581KB)

■Split Page

■Summary version leaflet

Summary version leaflet (PDF: 950KB)

Implementation summary of citizen opinion offer [opinion offer is finished]

[Application Period]
From Monday, January 4, 2016 to Wednesday, February 3 [opinion offer is finished]
[Implementation Results]
Citizens gave 137 and 393 opinions.
≪Click here for the results of the public comment.≫
List of public comment implementation results (outside site)

Progress of the Plan

Achievement of the Plan

Regarding the review of the policy targets at the end of FY2019, 43 out of 49 businesses excluding the two businesses that changed the policy, 43 were "exceeding the target" and "generally as planned". As a whole plan, we were able to achieve our goals. For the six businesses that fall below the target, we will work to improve and promote the business.

Achievement Status Table
Achievements		Number of businesses (total 51)	Ratio
I surpassed my target	◎	13	27％
Generally in line with the target	Oh	30	61％
I fell below my target	△	６	12％
Policy change	―	2	―

・Reflection of Yokohama Channel Medium-Term Management Plan (FY2016-FY2019) (PDF: 855KB)

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

Water Works Bureau Customer Service Center

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

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