Sewerage Related Inquiries

Thank you for using this website for the Bureau of Sewerage, Tokyo Metropolitan Government.

We accept Advice, Opinions, and Inquiries, etc. on sewerage projects from citizens. However, please note that if you cannot inform us of your name, address, and phone number etc. accurately, we may not be able reply.

For inquiries about the sewerage system in Tama area, please contact the department in charge at each local municipalities.

In the Q&A section, you can find frequently asked questions and answers . Please refer to this as well.

Contact us by telephone.

(1)Weekdays (from 8:30 to 17:15)

When you call a department in charge from the list, your call will be answered by staff of the Bureau of Sewerage, Tokyo Metropolitan Government.

Contact List

(2)Weekday nights (from 17:15 to 8:30), Saturdays, Sundays, public holidays, and year-end and New Year holidays.

When you call your local office of the Bureau of Sewerage, Tokyo Metropolitan Government, you will be answered at the Sewerage Reception Center.



  1. Personal information will be handled appropriately based on the TMG Regulations Regarding the Protection of Personal Information.
  2. There may be cases where we post the inquiries and opinions we have received as well as correspondences of the metropolitan government on this website as case examples with care not to disclose the identity of individuals.
  3. Opinions we received may be posted in the Q&A Section.

Contact Us

Public Relations and Service Section, General Affairs Division, Bureau of Sewerage
8-1 Nishi-Shinjuku 2-chome, Shinjuku-ku, Tokyo 163-8001

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