Lead in Water FAQs


Municipal Office

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

Email Us

​Should I be concerned about lead in my water?

There is no indication that unacceptable levels of lead are present in Newmarket's water. Newmarket tests for lead in the water system in accordance with provincial regulations. Lead testing is regulated and test results have consistently shown that Newmarket's lead content is below the detectable limit.


What is a safe/acceptable level of lead?

The provincial standard for lead content in water is 0.01 milligrams/litre. Newmarket's lead test results have established that Newmarket's lead content is below the detectable limit of 0.0007 milligrams/litre.


How do I know my water is safe to drink?

The Town of Newmarket takes every precaution to ensure safe drinking water. Newmarket performs testing on 24 samples of water on a weekly basis from all areas of Town to ensure that the water is safe and clean for drinking. The water is tested for E.coli and other forms of bacteria.


Newmarket's annual water inspection by the Ministry of the Environment and Climate Change (MOECC) found that Newmarket is 100 per cent compliant with the MOECC requirements. Newmarket has one of the best maintained and operated distribution systems in Ontario.


I live in an old house and I think I have lead pipes, what should I do?

Houses built prior to 1960 may have lead pipes. Modern homes are fitted with copper pipes. If your house was built prior to 1960 and you have a concern about water quality you can contact the Town of Newmarket at 905-895-5193. The Public Works Services department will assess your situation and take the appropriate action.


Who do I contact if I have a general question and/or concern about my water?

All water inquiries and concerns should be directed to the Town of Newmarket at 905-895-5193. If your concern is a health related issue contact York Region's Health Connections line at 1-800-361-3653.


Who do I contact to find out about lead and its health effects?

If you would like to find out about the health effects associated with lead, call York Region's Health Connections Line at 1-800-361-3653.