Main content starts here.

Water rates have been revised.

Last update date March 1, 2023

Time of water rate revision

Effective July 2021

Water rate revision rate

We raised the water rate by 12% on average.

Water charge

The amount of water used is calculated by the water meter reading once every two months, and households connecting the public sewer are billed and paid together with the sewerage usage fee.

New Water Rate Mechanism

Meters and caliber

Water rates are determined in the following two ways.

  1. Amount of water used
  2. Water meter caliber (see photo on the right)

Water charges to be paid to customers

Photo of meter reading slip
Notice of water usage, sewerage system usage, etc. (meter reading slip)

Please see "news (meter reading vote) such as water supply, sewer use water". (The photo on the right is a sample.)

(a) Meter caliber (20 mm in this sample)
(b) Amount of water used this time
(c) Water rates (revised on July 1, 2021)
(e) Sewerage fee (without revision)

Calculate your own water charge

Example of calculation tool
Simple water charge calculation tool

Water rates can be calculated using the "Water Charge Simple Calculation Tool *" based on the diameter of the meter and the amount of water used.
※The website is in Japanese.

Contact information
Contents Contact information
About "water rate" Water Works Bureau Customer Service Center
Phone: 045-847-6262 (24 hours a day, 365 days a year, available in Japanese).
Fax: 045-848-4281
※English is available from 8am to 20pm.

return to previous page

Page ID： 293-354-024

Back to Top