- Yokohama-shi Top Page
- Business
- Menu by field
- Environment, parks and sewers
- Living Environment conservation
- Sewer
- Sewage from factories and business sites
- Related laws and regulations link
Here's the text.
Related laws and regulations link
Last Updated May 9, 2024
- Sewerage Law (outside site)
- Sewerage Law Enforcement Order (outside site)
- Sewerage Law Enforcement Regulations (outside site)
- Yokohama City Sewerage Ordinance
- Yokohama-shi sewer regulations enforcement regulations
- Yokohama-shi public sewer business establishment drainage instruction summary (revised April 1, 2024) (PDF: 1,606KB)
- Guidance of interpretation, operation of Yokohama-shi public sewer business establishment drainage instruction summary (revised April 1, 2024) (PDF: 292KB)
- Ordinances (outside sites) that stipulate emission standards under the provisions of Article 4, Paragraph 1 of the Air Pollution Control Law and drainage standards under the provisions of Article 3, Paragraph 3 of the Water Pollution Control Law
- Water Pollution Control Law Enforcement Order (outside site)
- Dioxins Special Measures Law Enforcement Ordinance (outside site)
- Ordinance on conservation, etc. of Yokohama City Living Environment
- Ordinance for Enforcement of the Ordinance on conservation, etc. of Yokohama City Living Environment
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
Inquiries to this page
Sewer River Bureau Sewerage Facilities Department Water Quality Section Factory Drainage
Telephone: 045-671-2835
Telephone: 045-671-2835
Fax: 045-550-4183
Email address: gk-kouhai@city.yokohama.lg.jp
Page ID: 421-209-251