Niseko Town Sewer Management Center LocationNiseko Town character main street 247 address 1Processing methodThe oxidation ditch methodPlanned treated water volume1,38 cubic meters / dayTEL:0136-44-2121(ニセコ町役場 上下水道課)Notes Inquiries Water and Sewage Division TEL:0136-56-8847 FAX:0136-44-3500