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)Remarks Inquiries regarding information on this page Water Supply and Drink Department TEL:0136-44-2121 FAX:0136-44-3500