Water and Wastewater


Municipal Office

395 Mulock Drive P.O. Box 328 Station Main, Newmarket, Ontario
L3Y 4X7

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Water and Wastewater Services ​​​​​

Water and wastewater are maintained by the Public Works Services department. The Town tests 24 samples of water on a weekly basis for E.coli and other forms of bacteria and contaminants such as lead, to ensure water in Newmarket is safe.

Municipal water is the safest water to drink as a result of the extensive testing and sampling it undergoes.

If you have any inquiries and/or concerns about water and waste water in Newmarket, please contact our Customer Service department at 905-895-5193. If you have health related concerns, please contact York Region Health Connections line at 1-800-361-5653. For information regarding water billing, please contact NT Power at 905-895-2309.

Additional resources:

Water and Wastewater Master Plan​
Municipal Class Environmental Assessment Notice of Study Completion

The Town of Newmarket has completed a Class Environmental Assessment (Class EA) Master Plan Study to identify the required improvements and/or expansion to the Town's water distribution and wastewater collection systems to support existing and proposed growth within the Town, including the intensification of the Urban Centres Secondary Plan area. The Master Plan is a long-term plan for system improvements to meet servicing demands to 2041.

The Study has been conducted in accordance with the requirements of the Municipal Class EA process (October 2000, as amended in 2007, 2011 and 2015) using the Master Planning Approach #1. Please view the Town of Newmarket Water and Wastewater Master Plan to access the full report. (this document is not fully accessible, please contact the Town of Newmarket at 905-895-5193 Engineering Services Department to request a copy of this report)

Based on the infrastructure recommended in the Master Plan, all projects were classified as Schedule A+ and therefore are not required to fulfill additional Class EA requirements. 

For more information, please contact one of the study representatives: