For a healthy living environment and
a better water environment...
40th National johkasou Technology Research Meeting and 48th johkasou Administrative Personnel Research Meeting Participation Information
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Please use this form to register for the social gathering and to purchase the conference abstract collection.
About the 40th National Johkasou Technical Research Conference and the 48th Johkasou Administrative Personnel Research Conference
(QR code for application) Registration opens on August 24th (Monday) at 10:00 AM.
The 2026 National Johkasou Technical Research Meeting will be held in Hiroshima City, Hiroshima Prefecture. Event announcement (YouTube)
Date and time: Reiwa ８/10/14 (Wednesday) and 15th (Thursday)
Venue: Hiroshima Convention Hall, 3-5-4 Futaba-no-sato, Higashi-ku, Hiroshima City, Hiroshima Prefecture 732-8575, Japan (Hiroshima TV Building)
Notices from the Education Center
2026-09-10
2026-08-10
Announcement of the 171st Practical Seminar "Basic Knowledge of Wastewater Treatment - Fundamental Concepts of Wastewater Treatment and Basic Matters of Physical, Chemical, and Biological Processes Involved in Wastewater Treatment - (6th Session)"
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Completion Announcement of Courses/Classes
Other News
About the Japan Education Center of Environmental Sanitation
The Japan Education Center of Environmental Sanitation is the operating organization for the national exams for johkasou managers and technicians, based on the Purification Tank Act.
We work to raise public awareness about improvements in johkasou technology, training of related engineers, progress of continuing education, development of research on johkasou, technological development, and the treatment of drainage from johkasou ; we also work for the preservation of local living environments and improvement of public health and sanitation.