WEB membership site is registration free service for customers using water supply of Yokohama-shi. ※You can use service by password with ID of the old Internet bill inquiry service and ID that is similar as for the person you have by password.
We display use quantity of water, water rate, sewerage system usage fee, change graph of charged amount (past two years inquiry).
Application for plastic credit.
Addition (we register plural use places by one login ID and display each inquiry information) of customer number
New registration using WEB membership site and login.