It is the top of this page

Water supply-related laws and ordinances

Last update date December 28, 2018

The Yokohama-shi relations regulations, official regulations

Laws and ordinances about water supply business

We can confirm the next laws and ordinances in homepage (the outside site) (the outside site) of Ministry of Health, Labour and Welfare.

  • The water supply method
  • The water supply method enforcement order
  • The water supply method enforcement regulations
  • Departmental order about standard of structure of water supply equipment and materials

Inquiry about water supply to Water Works Bureau customer Service Center

Water Works Bureau customer Service Center

Telephone: 045-847-6262 fax: 045-848-4281
※You run, and please be careful not to make any mistake

Inquiry to this page

Water Works Bureau General Affairs Department General Affairs Division

Telephone: 045-671-3105

Telephone: 045-671-3105

Fax: 045-212-1155

E-Mail address [email protected]

Return to the previous page

Page ID: 268-811-020

We come back to the top