буцаад эргэлдэх тээрэм бутлуур. Sunamachi Water Reclamation CenterBureau of Sewerage Sunamachi Water Reclamation Center is treating the sewer generated from the vast zone of 6 153ha which consists of all of Sumida Ward most of Koto Ward and a part of Minato Ward Shinagawa Ward Adachi Ward and Edogawa Ward with the Ariake Water Reclamation Center.