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  1. Yokohama-shi Top Page
  2. Living, procedures
  3. Community Development and Environment
  4. Rivers and sewers
  5. Sewer
  6. FAQ on sewers and rivers
  7. List of pipes
  8. How often and what kind of inspection or maintenance of sewer pipes are performed?

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Q

How often and what kind of inspection or maintenance of sewer pipes are performed?

Last updated on April 1, 2024.

A

sediment, such as sludge, is less likely to occur due to a large amount of sewage flowing at all times, and repairs are being carried out depending on the situation.

Branch lines (those with a pipe diameter that cannot be accessed by humans) have little water flow and easy to stay, so we regularly clean and inspect to maintain the flow function and repair abnormal areas.

Inquiries to this page

Sewer Management Division Maintenance Manager, Sewerage and Rivers Bureau Sewer Pipeline Department

Phone: 045-671-2841

Phone: 045-671-2841

Fax: 045-641-5330

E-Mail address [email protected]

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Page ID: 308-123-439

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