What should I do about human waste treatment?

The treatment of human waste is provided at each contact information, such as temporary toilet, septic tanks, and flush toilets that flow into public sewers.

temporary toilet, which is installed at construction sites, outdoor events (event-related businesses) and local events, is collected at the northern Resources and Waste Recycling Bureau office.
The processing fee is 3,000 yen per toilet.
Please contact the northern Resources and Waste Recycling Bureau office for details on procedures.

Northern Resources and Waste Recycling Bureau Office
TEL 045-953-0941

About collection of human waste in temporary toilet

（１） General inquiries regarding the installation and maintenance of septic tanks
　Resources and Waste Recycling Bureau Business Waste Management Section
　TEL 045-671-2547

（２） Introduction of septic tank maintenance and inspection contractors
　(Public Corporation) Kanagawa Prefectural Life Mizuho Association
　TEL 045-830-5720

（３） Septic tank cleaning request
　List of Septic Tank Cleaning Business Permitted Companies

（４） Application for septic tank legal inspection
　・Those who live in Tsurumi, Kohoku, Green, Aoba or Tsuzuki Ward  .
　(one good) Japan Environmental Sanitation Center
　TEL 044-288-5225

　・If you live in a ward other than the above, please contact us.
　(Public Corporation) Kanagawa Prefectural Life Mizuho Association
　TEL 045-830-5721

https://translate-en.city.yokohama.lg.jp/kurashi/sumai-kurashi/gomi-recycle/shinyo/jokaso/

Maintenance of public sewers is carried out at Public Works Office in each district.

List of Public Works Office

・I would like to ask for the collection of temporary toilet (construction site and event venue).
・I'd like to clean the septic tank, please tell me.
・I would like to abolish the toilets and septic tanks and wash them with water.