(Tentative name) Yokohama City Sewerage Inundation Countermeasures Plan

　With the aim of further promoting the development of resilient towns that are resistant to rain based on the progress of inundation countermeasures and the effects of climate change, a new perspective of pre-disaster prevention has been adopted, and targets and measures for inundation countermeasures by sewerage in the future This is a master plan for inundation countermeasures that defines how to proceed.

1 Position of the Plan
2 Current status and issues of inundation countermeasures

• Current status of flood countermeasures
• Issues for flood control

3 Future Inundation Countermeasures
4 Disaster Prevention Measures

• Review of target maintenance levels (targets to prevent flooding)
• Promotion of "Preliminary Disaster Prevention"
• Areas subject to maintenance in this plan
• Selection of maintenance areas

5 Measures against reduce disaster damage

• Targets to prevent serious damage (100mm/hr, general prevention of flood above floor level)
• Life-saving goals (153mm/hr, secure safe evacuation)

During period from December 24, 2024 to February 14, 2025, we carry out citizen opinion offer about plan draft.

• (Tentative name) Yokohama-shi sewer inundation measures plan (draft) (booklet version) (PDF: 15,963KB)

• (Tentative name) Citizen opinion offer leaflet (PDF: 7,450KB) about Yokohama-shi sewer inundation measures plan (draft)


• How to submit your opinion
• Online input form (Yokohama City Electronic Application and Notification System) [Recommended]

• Email: gk-shinsuiiken@city.yokohama.lg.jp
• Mail: To 10 Sewerage River Bureau Management Promotion Section at 6-50 Honcho, Naka-ku, Yokohama City (valid until postmark on February 14, 2025). Please pay the shipping fee.
• Ｆ Ａ Ｘ： 045-664-0571

※When you submit by e-mail, FAX, please send after clearly stating that it is opinion about residence district, age, (tentative name) Yokohama-shi sewer inundation measures plan (draft).

[Notes]

• We cannot accept telephone or verbal comments because we need to accurately understand your comments.
• Please fill in the area of residence and age when submitting.
• We use opinion, personal information that had you approach only for development of this "(tentative name) Yokohama-shi sewer inundation measures plan" and do not use for other uses.
• Except for personal information, we plan to announce summary of opinion and way of thinking of city for it on Motoichi homepage.
• Please note that we will not respond individually to your comments.