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Water & Wastewater Services

The Town of St. Marys is committed to providing safe, clean and reliable drinking water to all the residents and businesses within the Town. The Ontario Clean Water Agency (OCWA) operates and maintains the Town's water and wastewater systems. See below for important water and wastewater contacts, information and documents. 





Water Quality 


Contact Information:

General Water Inquiries

Dave Blake, C.E.T.
Environmental Coordinator
408 James Street south, St. Marys, ON
519-284-2340 ext 209

Operating Authority

Ontario Clean Water Agency (OCWA)
Operating Authority for St. Marys

After Hours

Ontario Clean Water Agency (OCWA)

Water Billing

Jo-Anne Lounds
Water Billing Clerk
519-284-2340 ext 221

Water Tower

Our Commitment to you!

The Town of St. Marys and our Operating Authority are committed to providing a safe and reliable drinking water supply. The Drinking Water Quality Management System policy outlines the commitment of our Operating Authority, and the Town.

Drinking Water Quality Management Policy.

Please note: A copy of the Operational Plan for the Town of St. Marys is available during regular business hours for public viewing at the Municipal Operations Centre, located at 408 James Street South, St. Marys.

Annual Reports

The Town of St. Marys and the Operating Authority (OCWA) prepare annual reports on the Drinking Water System to meet the requirements of the Safe Drinking Water Act. These reports provide information on the drinking water distribution system, the quality of water, etc.

Review annual Drinking Water system Summary Reports.

Water and Wastewater Rates

Water and wastewater rates are assessed and approved by Council on an annual basis. The water system is designed as a self-funded program with rates accounting for operation, maintenance, capital improvements, etc.

Water and wastewater rates currently administered by the Town of St. Marys.

For more information regarding water and wastewater billing please contact the Water Billing Clerk 

Drinking Water System Financial Plan for the Town of St. Marys.

Water Quality

The Water Supply for the Town of St. Marys is obtained from a Bedrock Aquifer, which undergoes treatment processes in accordance to Ministry of Environment requirements.

For more information related to water quality in the Town of St. Marys, such as hardness, sodium levels, etc. please contact the Environmental Coordinator.

What You Need to Know About Sodium in Drinking Water Fact Sheet.
Visit the Ontario Ministry of Consumer Services webpage to learn more about door-to-door water testing.

Water Testing

In an effort to ensure a safe and clean drinking water supply for the Town of St. Marys, the Operating Authority for the Town tests and collects samples according to Ontario Regulation 170/03, and the Safe Drinking Water Act, 2002.

Water Quality test results are available for public viewing at the Municipal Operations Centre, located at 408 James Street South, St. Marys.

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Copyright Information

Copyright ©2010 Town of St. Marys, Ontario

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Mailing Address

Town Hall: 2nd Floor, 175 Queen Street East

Mail: P.O Box 998, St. Marys, ON.  N4X 1B6

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Town Hall Hours

Monday to Friday

8:30am to 4:30pm

(excluding statutory holidays)

Town Hall Contact

P: 519-284-2340 Ext. 241

F: 519-284-3881

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