For a healthy living environment and
a better water environment...
About the 39th National Johkasou Technical Research Conference and the 47th Johkasou Administrative Personnel Research Conference
The 2025 National JOHKASOU Technical Research Conference will be held in Mito City, Ibaraki Prefecture.
Date and time: October 10th (Wednesday) and 15th (Thursday), 16
Venue: Mito Civic Hall 310-0026-1 Izumicho, Mito City, Ibaraki Prefecture, 7-1
Notices from the Education Center
2025-04-10
2025-04-01
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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.