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River Business Division
Last Updated December 21, 2023
Yokohama City has 9 first-class rivers in one water system, 24 rivers in 5 water systems, and 25 rivers with 6 mutatis mutandis rivers, for a total length of about 210 km.
In addition, there are many other waterways that are not covered by the River Law.
This year, 17 rivers that the River Business Division plans to maintain are 17 rivers.
In addition, as a comprehensive flood control measure, we plan to improve rainwater regulating ponds and install storage facilities in schools and parks.
Notice
New and updated information
| Date of publication | Project and update information |
|---|---|
| R2.9.15 | We conducted a bioenvironment survey of Katabira River! （PDF：273KB） |
Business Rivers
Tsurumi River Water System
Kurosuda River
Nara River
Umeda River
Iwakawa
Ookagawa Water System
Hinokawa
Katabira River Water System
Katabira River
Naka Horikawa
Now Igawa
Miyakawa Water System
Miyakawa
Sakaigawa Water System
Hirato Ei Tanikawa
Akuwa River
Name Segawa
Maioka River
Itachi River
Izumi River
Udagawa
Aizawa River
Information
Answers to questions related to design documents
Answers to allegations
River construction-related materials
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For inquiries to this page
Sewerage River Bureau River Department River Business Division
Phone: 045-671-3988
Phone: 045-671-3988
Fax: 045-550-3490
Email address: gk-kasenjigyo@city.yokohama.lg.jp
Page ID: 120-583-349
