Regarding the exam questions and answers for the 2025 Johkasou Operator exam

For a healthy living environment and

a better water environment...

Notices from the Education Center

2025-10-29

We are pleased to announce the test questions and correct answers for the Johkasou Operator exam, which was held on Sunday, October 26, 10 at five locations across the country (Miyagi Prefecture, Tokyo, Aichi Prefecture, Osaka Prefecture, and Fukuoka Prefecture).

　Reiwa 7 exam questions and answers

View Larger Map

Mikihiro Mukai (Public Interest Incorporated Foundation Kodokan)

Japan Education Center of Environmental Sanitation

130-0024

２-23-３ Kikukawa, Sumida-ku, Tokyo

TEL: 03-3635-4880 (Switchboard),