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For a healthy living environment and
a better water environment...

Notices from the Education Center

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2023-11-10
"Monthly johkasou" 2023/11 issue
2023-11-08
Reiwa ５th Johkasou Operator exam results announcement
2023-10-26
About “johkasou maintenance project guide (２０２３ edition)”
2023-10-20
Regarding correspondence to the invoice (qualified invoice) system regarding tuition fees, etc.
2023-10-20
Regarding the holding of the Reiwa ６ National Johkasou Technology Research Conference
2023-10-20
Regarding the collection of lecture abstracts for the Reiwa ５ National Johkasou Technology Research Conference
2023-10-16
Information on the #159 Practical Seminar
2023-10-12
"Monthly johkasou" 2023/10 issue
2023-10-04
Notice of registration number regarding invoice systemNEW
2023-09-11
“Monthly johkasou” September 2023 issue
2023-09-08
Nitrogen removal type/membrane separation type small-scale combined treatment johkasou maintenance management guidelines and explanations (reprinted electronic version) are now on sale.
2023-08-28
Changes to the 158th Practical Seminar Schedule
2023-08-21
Reiwa ５ Johkasou Installation Worker exam pass announcement
2023-08-21
Information on the #158 Practical Seminar
2023-08-16
Reiwa５ "37th National johkasou Technology Research Meeting" and "45th johkasou Administrative Personnel Research Meeting" Application for Participation, Accommodation, etc.
2023-08-14
“Monthly johkasou” August 2023 issue
2023-07-28
Reiwa４“Johkasou Research Encouragement Kusumoto Prize” Selection Results
2023-07-10
“Monthly johkasou” July 2023 issue
2023-06-21
johkasou technology study group membership benefits (video digest version)
2023-06-12
Information on the 157th Practical Seminar (Application Closed)
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Public interest incorporated foundation
Japan Education Center of Environmental Sanitation
130-0024
２-23-３ Kikugawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),

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