For questions regarding your water and sewer bill, please visit Water utility bills | City of Ottawa(link is external). For further assistance, call City of Ottawa Tax and Water Customer Services at 613-580-2444, option 1. Please have your account number from your water and sewer bill available when calling.
The City of Ottawa hours of operations are: Weekdays, 8 a.m. to 4:30 p.m. (June to August, 8 a.m. to 4 p.m.)