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- Suspicious visits pretending to be water supply and sewerage officials are increasing!
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Suspicious visits pretending to be water supply and sewerage officials are increasing!
Last updated on January 30, 2025.
In the whole city of Yokohama, suspicious individual visits homes and other places, and suspicious telephones, pretending to be employees of Water Works Bureau and Sewerage and Rivers Bureau, as well as construction contractors and contractors.
Beware of suspicious visits. Yokohama City does not make any of the following visits or calls.
■Aqueduct
- Surveys and water quality inspections of pipes that are not requested.
- Repair and investigation of water pipes in the house and charge for work.
- Door-to-door sales, rental and mediation of water purifiers
■Sewer
- Confirmation of absence time based on the pretext that there is a plan to enter the site during construction.
- Inspection and repair of drainage facilities that claim free of charge
- Distribution of commercially available deodorizing detergents (tablets) for drain pipes
When there is visit about thing about water supply, sewer
- Please be sure to ask for your ID.
- If you have any doubts, do not enter the house or make a contract or pay money immediately.
- If you have any suspicious visits or calls, please contact us at:
- ■Thing about water supply
- Water Works Bureau Customer Service Center
- Phone: 045-847-6262
- ■Thing about sewer
- Sewerage and Rivers Bureau Sewer Management Division
- Phone: 045-671-2829
Inquiries to this page
Water Works Bureau Water Supply Service Department Service Promotion Section (Telephone and fax numbers below are from Customer Service Center)
Phone: 045-847-6262
Phone: 045-847-6262
Fax: 045-848-4281
Page ID: 619-967-289