Water Reports
Section 11 of the Ontario Drinking Water Systems Regulation 170/03 (O.Reg.170/03) requires an Annual Report be prepared for water distribution and supply systems by February 28th of each year.
To find information related to drinking water parameters monitored by The Region of York, please visit: https://www.york.ca/environment/water-and-wastewater/drinking-water-quality-and-monitoring