For inquiries regarding water supply, please contact the Water Works Bureau Customer Service Center.
Water Works Bureau Customer Service Center
Phone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.
- Yokohama-shi Top Page
- Business
- Bids, contracts
- Download application form
- Waterworks Bureau
- Download of each document (procedures, specifications, etc.)
- Water supply equipment construction-related specifications, etc.
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Water supply equipment construction-related specifications, etc.
Last updated on April 10, 2025.
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Inquiries to this page
Water Works Bureau Water Supply Service Department Water Supply Maintenance Division
Phone: 045-671-3069
Phone: 045-671-3069
Fax: 045-212-1167
E-Mail address [email protected]
Page ID: 308-655-221
