Kanagawa Public Works Office "Frequently Asked Questions - About Sewerage and Waterways"

In the case of "only the toilet is clogged" or "water does not flow only in the kitchen or bath", it is possible that the drainage system in the residential area may be clogged. The drainage facilities in the residential land will be managed by the owner.

If you cannot solve the problem by cleaning and need repairs, please consult with the Yokohama City Drainage Designated Construction Shop.
You can look for designated construction shop in Yokohama-shi drainage designation construction shop (list).
In addition, "Yokohama-shi pipe construction cooperative (outside site)" which is business group in Yokohama-shi introduces member of the union (Yokohama-shi drainage designation construction shop) of the union.
Yokohama City Pipe Works Cooperative Phone: 045-681-6631
Reception hours 8:30 to 17:30 (except Saturdays, Sundays and public holidays, from December 29 to January 4) However, the association only introduces. Please consult directly with the designated drainage facility designated construction shop for consultation on the contents and costs of construction.

If all sewers in the residential land do not flow, please contact Public Works Office as the public sewer may be clogged.
Kanagawa Public Works Office Phone: 045-491-3363

Sewage pipe flushing work must be a designated construction shop in Yokohama City.
You can look for designated construction shop in Yokohama-shi drainage designation construction shop (list).
In addition, "Yokohama-shi pipe construction cooperative (outside site)" which is business group in Yokohama-shi introduces member of the union (Yokohama-shi drainage designation construction shop) of the union.
Yokohama City Pipe Works Cooperative Phone: 045-681-6631

Reception hours 8:30 to 17:30 (except Saturdays, Sundays and public holidays, from December 29 to January 4) However, the association only introduces. Please consult directly with the designated drainage facility designated construction shop for consultation on the contents and costs of construction.

During heavy rains, it may cause road flooding and flooding. Please contact Public Works Office.
Kanagawa Public Works Office Phone: 045-491-3363

Please contact Public Works Office.
Kanagawa Public Works Office Phone: 045-491-3363

It is a rule to put a sewer pipe in a private road at the expense of the user, but in Yokohama City, if certain conditions are met for sewerage work in the private road, if certain conditions are met, a joint sewer pipe of a house facing the private road There is a system to help. (Reference Yokohama City Frequently Asked Questions: "I want to install a sewer pipe on a private road, where should I consult?" (External site)
For more information, please contact Public Works Office.
Kanagawa Public Works Office Phone: 045-491-3363

Inspection commercial law has occurred in which unnecessary residential land is inspected, charges unreasonable charges, and sells chemicals and equipment. If you feel suspicious, please contact Environmental Planning Bureau Sewer Management Division or Public Works Office.
Environmental Planning Bureau Sewer Management Division Telephone: 045-671-2830
Kanagawa Public Works Office Phone: 045-491-3363
"Do I need to request inspection and cleaning of drainage facilities?" (To the Environmental Planning Bureau page)

“Beware of the“Inspection Commercial Code ”of sewage and drainage facilities” (to the Environmental Planning Bureau page)

The waterways in the city are managed by Public Works Office. Please contact Public Works Office with your location and situation.
Kanagawa Public Works Office Phone: 045-491-3363

The waterways in the city are managed by Public Works Office. Please contact Public Works Office with your location and situation.
Kanagawa Public Works Office Phone: 045-491-3363

In the current situation, it is not functioning as a waterway and cannot be used alone, and if there is no possibility of providing it for public use such as public roads in the future, it can be paid off.

If you wish to pay, you will have to submit a request for a preliminary survey of waterways and abolition of waterways and drawings such as public maps and guide maps to the section in charge, but the judgment of whether or not to pay, the situation of nearby land etc. The range and type of drawings will vary depending on the individual case. Please contact the River Management Section of the Road and Highway Bureau River Department in advance.
River Management Section, River Department, Road and Highway Bureau 045-671-2856