For a healthy living environment and
a better water environment...
About the 40th National Johkasou Technical Research Conference and the 48th Johkasou Administrative Personnel Research Conference
The 2026 National Johkasou Technical Research Meeting will be held in Hiroshima City, Hiroshima Prefecture. Event announcement (YouTube)
Date and time: October 14th (Wednesday) and 15th (Thursday), 10
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
2026-04-10
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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.