Commercial Backflow Testing in Townsville

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Townsville Commercial Backflow Testing

Backflow prevention is a legal and safety requirement for many commercial properties, where the risk of cross-contamination between clean and dirty water is higher. Off-Tap Plumbing NQ provides professional commercial backflow testing throughout Townsville, helping businesses meet regulatory obligations and maintain a safe water supply.


We work with retail spaces, hospitality venues, healthcare facilities, warehouses, strata properties and other commercial buildings to test, certify and maintain backflow prevention devices. Our licensed plumbers perform accurate inspections, submit required reports to authorities and ensure your systems are functioning as intended.


For timely, compliant service, book your commercial backflow test with Off-Tap Plumbing NQ on 0408 784 473.

What is Backflow Testing?

Commercial backflow testing involves assessing high-risk water systems to prevent contaminants from entering the main supply. The process is structured to meet council and state regulatory requirements and includes documentation needed for ongoing compliance.


Our service includes:


  • On-site inspection and location of all backflow prevention devices.
  • Testing device response under varying pressure conditions.
  • Recording gauge readings and identifying faults or failures.
  • Issuing a certificate of compliance where devices pass inspection.
  • Completing and lodging all required paperwork with the local authority.
  • Servicing or replacing faulty parts when needed.
  • Providing ongoing support to help you stay compliant.


Book your backflow test today to ensure your commercial property is protected and fully certified.

Why is backflow testing required for commercial properties?

What types of commercial sites need backflow testing?

What happens if a device fails commercial backflow testing?