Backflow Prevention Testing in Orillia, Barrie & North Bay — Certified. Compliant. On Record.
If you’ve received a letter from the city or your insurance provider asking for backflow device testing — you’re in the right place.
Poly-B Plumbing provides licensed backflow prevention testing for commercial, multi-unit, and residential properties across Orillia, North Bay, and surrounding areas. We’re certified to test, document, and file reports with your local municipality — so you stay compliant and protected.
What is Backflow Testing?
Backflow happens when water flows in the wrong direction — potentially contaminating the public water supply. That’s why certain properties are required by law to install and test a backflow preventer annually.
A backflow prevention test confirms that your device is working correctly and meets municipal standards. If it fails, we provide fast repair or replacement options — and re-test once corrected.

Why Choose Poly-B for Backflow Testing?

Our Testing Service Includes:
Testing typically takes 30–60 minutes with minimal disruption. We’ll need to briefly shut off your water during the test and will confirm access ahead of time.

Who Needs Annual Backflow Testing?
You likely need testing if your property includes:
If you’ve received a letter — we can take it from here.

Stay Compliant With Zero Hassle
What Our Customers Say
Where We Provide Backflow Testing and Installs
Orillia, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing
North Bay, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing
Barrie, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing
Powassan, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing
Gravenhurst, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing
Muskoka, Ontario
- 705-984-6249
- Mon–Thurs: 7am–7pm | Fri: 7am–5pm
Services
- Plumbing Repairs
- Plumbing Installations
- Plumbing Maintenance
- Membership Program
- Residential Plumbing
- Commercial Plumbing

Frequently Asked Questions
How often is testing required?
Answer:
Annually, unless otherwise required by your municipality or insurance provider — and anytime a modification is made to the plumbing system.What if my device fails the test?
Answer:
We provide a clear quote for repair or replacement. Once corrected, we re-test and file the updated report.Can you test multiple devices at once?
Answer:
Yes — we provide flat pricing per unit, and bundle pricing is available for commercial sites.Can I get a copy of my report?
Answer:
Yes. You’ll receive a PDF for your records, and we submit the official form to your city.