About electronic application of drainage equipment plan confirmation application

Utilizing digital technology, we plan efficiency of application office work and carry out operation of electronic application for improvement of citizen service.

The applicable procedures are as follows.
・Application for Confirmation of Drainage Equipment Plan

・Notification of completion of drainage construction

From October 1, 2024, online procedures are now available in all 18 wards of Yokohama City.

Apply using the drainage system electronic application system (outside site).
　https://haisuisetsubi.yokohama-water.com/s-wave/jigyosho/ (outside site)

・Before using the system, it is necessary to obtain an ID and password in advance.
・If you wish to register as a drawing agency, you will need to submit an application form.

Please download the form and mail it to the address below.

Form: Application form (word: 29KB)
　　　　Drawing Agency Registration Application (Word: 283KB)　※Only when a drawing agency is requested
Destination: 〒231-0012
　　　　9F, Oak Sakuragicho Building 6-113 Aioicho, Naka-ku, Yokohama
　　　　Addressed to Yokohama Water Co., Ltd.
　　　　TEL： 045-651-6101

・Reduce the burden by reducing the number of visits to the agency
・Improve convenience by extending Reception hours (can also be accepted on Saturday)
　(Reception from 7:00 to 22:00 excluding Sunday and public holidays)
※You can continue to use the paper window reception desk.