Organization

locations

Organization chart 2026



  • Head Office / East Japan Branch

    2-31-27 Yushima, Bunkyo-city, Tokyo 113-0034, Japan

  • Training Center

    5141 Shimo-sasame, Toda, Saitama 335-0037, Japan

  • West Japan Branch

    4-1-3 Kyutaro machi Chuo-ku, Osaka 541-0056, Japan

Contact us

International Affairs Department
Japan Sewage Works Agency
2-31-27 Yushima, Bunkyo City, Tokyo 113-0034, Japan

TEL：(81)3-6892-2022
Email：js-international@jswa.go.jp