Backflow Prevention Etobicoke
Certified backflow prevention services and solutions by our team of professionalsComplete testing, prevention, and cross-connection solutions by our experts.
Why did I receive this letter?
You have received a letter regarding backflow prevention for one of three reasons:
- your building has been flagged by your local municipality that your plumbing system might have a potential for “backflow,” which means contaminated water could flow backwards into the clean water supply, posing a health risk;
- your building already has a backflow prevention device installed and is due for its annual testing and reporting;
- a cross connection survey of your building and all plumbing connections is to due ensure that no cross-connections exist.
What is a Backflow Preventer?
A backflow preventer is a device installed on a main water line to stop water from reversing direction and contaminating the clean water supply. These devices are commonly found on:
- Irrigation systems
- Fire sprinkler systems
- Main domestic water lines
To function effectively, backflow preventers require regular inspections, annual testing, and ongoing maintenance or repairs as needed.


What is a cross connection?
A cross connection is any actual or potential link between a potable (drinking) water supply and a non-potable source, which could introduce contaminants into the water system.
A cross connection survey is an inspection performed by a licensed professional to identify and assess potential contamination risks in a building’s plumbing system. Depending on the building classification and local municipal regulations, these surveys are typically required every 3 to 5 years.
By properly managing cross connections and ensuring backflow preventers are in good working order, we can safeguard our communities from water contamination.
Our Services
What we can do for you
Backflow Preventer Testing
Our certified backflow testing services ensure your backflow prevention devices function correctly and comply with municipal regulations.
Backflow Preventer Repairs
We provide reliable backflow repair services to fix failing devices and maintain the safety of your water supply.
Backflow Preventer Installations
Our team specializes in installing backflow prevention systems tailored to your property’s specific requirements, ensuring optimal protection against contamination. Let us handle the permits.
Cross Connection Surveys
Identify and address potential cross-connection hazards with our comprehensive surveys. We help safeguard your property’s potable water supply.
Important and Helpful Communications for Backflow + Cross Connection
Compliance letters, test reports and cross connection survey templates for various municipalities
Qualified and experienced
We are fully qualified and certified to test, install, service, and repair Backflow preventers in Ontario. With extensive experience working with various municipalities, including City of Toronto, Region of Peel, Halton Region, London, etc., we ensure proper completion and submission of all necessary paperwork, including backflow prevention test reports and cross-connection surveys.
Our team of OWWA-certified testers and Licensed Plumbers is authorized to carry out work in your municipality. Additionally, we offer administrative support, including municipal reporting, and maintain a database to track testing schedules, providing annual reminders for testing and re-surveys at your facility.
Did you know?
In Ontario, businesses and multi-residential buildings must have their backflow preventers tested annually by a licensed plumber to stay compliant with local bylaws. Book your annual test with us today to avoid fines and ensure compliance!
In some parts of Canada, businesses are responsible for submitting proof of backflow device testing to their municipality every year—or risk losing water service! Let us handle your compliance testing and maintain regular scheduling — call us today!
If you’re unsure whether your home or business needs a backflow preventer, a plumbing inspection can identify risks and help you stay compliant with local laws. Contact us today for a professional assessment!
Testimonials
What our customers say
Redefining excellence in plumbing, one service at a time.
We take pride in pairing an extensive range of top-notch plumbing services with excellent customer service and competitive prices. Choose arc Plumbing for a plumbing experience that goes beyond the ordinary.

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FAQs
What is backflow and why is it a concern?
Do I need backflow prevention devices in my Ontario property?
What types of properties require backflow prevention devices in Ontario?
What is a cross connection and why is it important to control?
Who is responsible for ensuring backflow prevention compliance in Ontario?
What are the different types of backflow prevention devices?
How often should backflow prevention devices be tested in Ontario?
Can any plumber perform backflow testing in Ontario?
What happens if my property fails the backflow prevention test?
How do I know which type of backflow prevention device is required for my property?
Do backflow prevention devices need to be registered with the municipality?
What are the consequences of non-compliance with backflow prevention regulations in Ontario?
Can I install my own backflow prevention device?
Backflow prevention device installations must be performed by licensed plumbers who are authorized to work on backflow prevention systems in accordance with Ontario regulations. A municipal permit is required for this work.
How can I learn more about backflow prevention requirements in Ontario?
What steps should I take to maintain my backflow prevention devices?
Still have a question?