- Yokohama-shi Top Page
- Yokohama City Q & A Frequently Asked Questions
- Search by the competent ward office
- Sewerage River Bureau
- Sewer Management Division
- I would like to discuss and consult with the public sewer manager regarding development activities.
Here's the text.
I would like to discuss and consult with the public sewer manager regarding development activities.
Last Updated January 15, 2025
In connection with development activities (based on the City Planning Act, Residential Land Development Regulation Act, Yokohama City Development Project Coordination Ordinance, etc.), discussions on drainage facilities installed in the development area and connections to public sewers will be handled by the Public Works Office or the Sewer Management Division Development Coordinator of the Sewerage River Bureau. Please check the contact points depending on the area of the development area.
When the area of the development area is 1,000 square meters or more
Contact information is Sewer Management Division Development Coordinator, Sewerage River Bureau. (671-2833)
For more information, please visit our website.
Discussions on sewerage facilities, etc. associated with development projects
When the area of the development area is from 500 square meters or more to less than 1000 square meters
Contact information is Public Works Office each ward.
For more information, please visit our website.
List of Public Works Office
Inquiries to this page
Sewerage River Bureau Sewer Management Division
Telephone: 045-671-2833
Telephone: 045-671-2833
Fax: 045-641-5330
Email address: gk-haisuikyougi@city.yokohama.jp
Page ID: 268-516-596